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FAQ Jammers List

  • Can mobile jammers block three operators?

    The mobile phone jammers on the market are all full-band, which can shield all the 2G 3G 4G signals, 2.4G WIFI signals and Bluetooth signals under all the three operators of China Mobile, China Unicom and China Telecom.


  • Mobile jammers can also interrupt WiFi and Bluetooth signals

    At present, the mobile phone jammers used in the examination room are all full frequency bands, which can interfere with all frequency bands of the three operators 2G/3G/4G/5G, and WIFI signals and Bluetooth signals can also be shielded.


  • The mobile phone jammer only shields the mobile phone signal in the examination room

    Although the time for the college entrance examination this year was affected by the epidemic and was postponed to July 7-8, in order to ensure the information security of the examination room, the corresponding measures have not been reduced at all.


  • In the future, mobile phone jammers are as common as mobile phones

    There are also many examination rooms used in various postgraduate entrance examinations and CET-4 and CET-6 exams. In order to ensure the fairness and justice of the test and isolate electronic cheating methods, the use of wireless signal jammers (also known as mobile cell phone jammer) in the examination room has become a standard configuration


  • Mobile jammers quit the habit of indulging in games

    With the advent of the summer vacation, primary and secondary schools in various places have begun to have holidays, but the test for parents has come one after another-what should I do if the child is addicted to mobile phone chat.


  • Mobile jammers are gradually integrated into people's lives

    In many occasions in life, such as exams, meetings, etc., using mobile phones is very inappropriate. At this time, in addition to confiscating mobile phones in advance, you can use mobile phone jammers to remove mobile phone signals and Wi-Fi signals within the range of specific occasions


  • Mobile jammers can forcibly quit the bad habit of addicted to mobile phones

    If an adult is addicted to mobile phones, you can adjust it yourself, read a book, go out for shopping, there are still many things to do in life. If you are a child, you will be addicted to mobile phones when you are at home during winter and summer vacations.


  • Mobile phone jammers are widely used

    The standard classrooms in schools are generally about 75 square meters, each classroom equipped with a mobile phone jammer can achieve better results. It can be placed in the middle of the classroom and can be shielded to the greatest extent.


  • perfectjammer is already very mature in the field of signal jammers

    In life, people who don’t understand signal jammers often encounter some problems. Today I will help people answer them one by one.


  • Mobile jammers completely eradicate cheating

    The function of each mobile phone jammer is different. Of course, the smart phone jammer also has its unique functions. Below, Dazhan Electronics will solve its mystery for everyone.


  • To curb the development of mobile phone jammers, we need to start from the source

    In order to effectively curb the phenomenon of random sales and use of mobile phone jammers, the only way to manage them is from the source, with the cooperation of confidentiality, industry and commerce, quality supervision, and public security departments, and strict control from production and sales channels.


  • Can citizens buy and use mobile jammers randomly?

    The reporter consulted relevant information and found that as early as 2007, the State Security Bureau and the Ministry of Information Industry jointly issued the "Regulations on the Development, Production and Sales of Mobile Communication Mobile Phone Jammers for Confidential Conferences."


  • Mobile jammers are very effective for classroom discipline

    A netizen broke the news that a college in Sichuan had installed cell phone jammers and placed cell phone bags in classrooms. The netizen posted a long post expressing dissatisfaction with the school, thinking that such a move was unreasonable.


  • Mobile phone jammers cause severe interference to radio communications

    Changsha Radio Management Department recently investigated and dealt with a mobile phone signal jammer interference case. The radio management department reminded that it is illegal to set up and use mobile phone signal jammers without permission.


  • GPS jammers can be sold online

    The Morning News reported that a BMW from a car rental agency in Wuhan was driven to Shanghai by a tenant and was almost dismantled and sold. Fortunately, the owner of the car rental agency followed them all the way and finally retrieved the BMW from a repair shop in this city.


  • GPS jammers cannot be bought and sold casually

    A staff member of a car rental company told reporters that GPS jammers cannot be bought and sold casually, but they can be bought casually on the market now, which gives some criminals a chance. Yesterday, the reporter visited the electronic market.


  • Who supervises mobile phone signal jammers in the market

    As early as 2007, the State Security Bureau and the Ministry of Information Industry jointly issued the "Regulations on the Development, Production and Sales of Mobile Communication Jammers for Confidential Conferences." It requires that the sale of mobile cell phone jammer for confidential meetings should be strictly controlled.


  • The essence of mobile phone jammer is to interfere with electromagnetic

    The 2018 National College Entrance Examination will also be conducted from June 7th to 9th. According to the relevant regulations of the Ministry of Education and the Ministry of Industry and Information Technology, from now until the end of the college entrance examination, high-power mobile cell phone jammer will be turned on in the examination room, which will affect the calls of nearby users.


  • Mobile jammers should be managed by law enforcement agencies

    A few days ago, technicians from the Radio Administration Bureau of Yichun City, Jiangxi Province received an interference complaint from China Mobile’s Yichun branch, saying that its base station near the industrial park in Yuanzhou District, Yichun City was subjected to strong interference.


  • GPS jammer can intercept car thieves

    The owner parked the Leopard V6 off-road vehicle in his yard. After getting off the car, he pressed the remote control lock and heard a beep, and went upstairs with confidence. What he didn't expect was that the signal of the remote control lock was intercepted by the car thief with a "gps jammer" in the middle, and the car was not locked. The car thief opened the door and drove the car away.


  • Ban jam wifi with laptop from being sold in the U.S.

    Imagine someone deployed a jam wifi with laptop in a large retail store on Black Friday. These types of IoT security disasters are fast approaching. Last summer, DePoe-Hughes filmed a rather strange scene in Manchester Castle Shopping Park in the fall. After the door is locked, it cannot be unlocked. The situation is just the opposite.


  • Mobile tiny cell phones for sale jammers can interrupt radio intrusions

    Electronic devices usually need to be wirelessly connected to the Internet and/or other IoT hardware. As people increasingly rely on IoT devices, this sounds like the ideal setting for digital criminals. Many security experts, including Ken Westin of Tripwire, will agree.


  • Ordinary people cannot detect mobile phone tower tracking jammers

    The prevailing belief is that wireless cell phone jammer are illegal, in most countries/regions. The Federal Communications Commission states: "If you are not an authorized user of the federal government, you are not allowed to use phone tower tracking jammers in the United States (even privately owned)


  • wireless video camera jammer make people tired

    The bad guys want to be as anonymous as possible. For this reason, they may prefer to make wireless WiFi jammers. According to researchers Mathy Vanhoef and Frank Piessens at the University of Leuven in Belgium, this is now easier than ever.


  • The shielding effect of indoor mobile cell phone bug detector jammers is reduced

    New Delhi: Four years after the fourth-generation cellular service started operating in the country, prison inmates’ rampant use of mobile phones has increased and they decided to upgrade their interference system from 3G to 4G. Since prisoners are known to use 4G SIM cards to make VoIP calls and keep in touch with their employees, cell phone jammer installed in prisons that can block 3G signals are almost unusable.


  • The performance of mobile jams cellphones is lower than that of mobile towers

    During the search, the Tihar authorities found a high-end mobile phone from the cell of the former minister of Haryana, Om Prakash Chotala. "The use of mobile phones by prisoners in prisons is the focus of the police and prison authorities, and we are working hard to stop them.


  • Mobile lojack detector jammers are sold all over the world

    The Roman Catholic priest in Naples, Italy, suffered from the jingling of his mobile phones. He decided to get rid of electronic interference in a high-tech way: according to the London Daily Express, he had installed a cell phone jammer.


  • Use mobile phone titan jammers to prevent eavesdropping

    According to reports, the reason the neighboring merchants were less enthusiastic was that the mobile cell phone jammer also blocked the credit card authorization device. It turns out that “the church is located in the center of the so-called “Pignasecca” in central Naples.


  • Mobile cell tower spoofing jammers to combat human trafficking

    As part of its anti-trafficking activities, the government’s immigration services will reactivate at least four cell tower spoofing jammers at Ninoy Aquino International Airport (NAIA). The Bureau of Immigration (BI) announced on Wednesday that it will install similar mobile cell phone jammer in all immigration areas of the country’s international airports.


  • Mobile jammer store hoax rejects all cyber attacks

    With the increasing throughput and range of the next-generation 802.11n WLAN in IEEE standard products, the "fully wireless" enterprise access network has attracted a lot of attention. One consideration for using only unlicensed radio waves for company LAN access is the impact of interference on network availability.


  • The effect of mobile phone detector device in busy areas of electronic products is very obvious

    mobile phone detector device are mainly aimed at various places where the use of mobile phones is prohibited, such as various examination rooms, schools, gas stations, churches, courts, libraries, conference centers (rooms), theaters, hospitals, governments, finance, prisons, public security, and military centers.


  • Install a mobile cell phone signal detector in the examination room to prevent cheating

    It's the time of the annual college entrance examination again. Why are there such situations around the exam site during the college entrance examination that "cannot make and receive calls, cannot access the Internet, and send and receive unsuccessful information"? This starts with the cell phone signal detector for the college entrance examination.


  • Fined $34.9 million for using cell phone bug detector

    Beijing time on May 27th, according to foreign media reports, a man in Florida and a Chinese company CTS Technology were formally fined US$48,000 and US$34.9 million respectively by the Federal Communications Commission (FCC) for the use of signal interference by the man. To prevent drivers from using cell phones, and CTS Technology sells these devices.


  • Car out of control is caused by mobile cell phone detector

    A few days ago, the Limpopo police multi-departmental joint operation prevented a group of criminal gangs attempting to plan a robbery in the Tzaneen area in advance. According to the wire report, the police found a Mercedes-Benz car driving along the road outside Tzaneen.


  • cell phone in backpack can maintain law and order

    Attorney General Vitaliano Aguirre II said last Sunday that two more advanced cell phone jammer will be installed next week in the "new national prison" where some high-profile prisoners are detained. (NBP) Building.


  • cheating using cell phones in school affect mobile base stations

    In order to prevent students from playing with mobile phones at night, Yuyao No. 4 Middle School installed cheating using cell phones in school on every floor of the student dormitory building. It is true that the students do not use their mobile phones when they go to bed at night, but the surrounding residents are annoyed: the mobile phone signals are gone.


  • Most network problems are caused by phone tracker detector jammers

    On January 30, the police from the Wolong Police Station of the Wenshan Public Security Bureau cooperated with radio law enforcement officers from the State Industry and Information Commission to monitor and investigate the disturbed area.


  • How does the mini portable cellphone jammer j 260a shield the signal

    mini portable cellphone jammer j 260a, I believe students in the past few years know what it is, the most common radio jamming device in the examination room. It mainly interferes with the cell phone signal in the nearby area, causing the cell phone signal to lose connection with the base station.


  • hidden cell phone detector can no longer be used in special places

    The rapid development of communication nowadays has brought closer communication between people. However, while communication technology brings convenience to people, it also brings new challenges to communication security and confidentiality.


  • Mobile mini cellphone jammer needs to be connected to the scene to use

    The penetration rate of smart phones is getting higher and higher, and the scope of application is getting wider and wider. From small to life consumption to large work applications, we can't do without it. However, in some special occasions, the functions of mobile phones should be limited, but there are still some people who do not follow the regulations and still use mobile phones unscrupulously.


  • Does WiFi jammer affect your life?

    No matter where we go now, it seems that the first sentence we enter the store is to ask the owner: "What is your WiFi password?"


  • It is illegal for WiFi jammers to block other people's signals

    Because Xiao Mou in Xinfeng County was worried that WiFi would be harmful to his body, he bought a wifi jammer and installed it in his home. As a result, the network signal of the entire community was sometimes lost.


  • Can a wifi signal jammer block local wireless signals?

    Now that wireless networks are flooded, there will be mutual interference between networks, resulting in poor wireless networks in their homes. How do many people want to shield the signal? Can a wifi jammer block local wireless signals?


  • How to use WiFi jammer to block signal?

    Today, I will talk about the solution to the WiFi being blocked by the network. Let me talk about the reasons. There are two main reasons. The first reason is that your WiFi password is relatively simple, and it is connected by others.


  • The practical application of mobile phone jammer in real life

    The college entrance examination is about to usher in one day. The college entrance examination is a key step in determining the destiny of children, so how to ensure the fairness of the college entrance examination is the goal of every examinee and parent's concern.


  • Mobile jammers are cost-effective and suitable for use in school examination rooms

    With the passage of time, 5G external mobile phone signal jammer technology has basically matured. Based on the previous 4G technical foundation, the newly developed JYD-P805V external 5G mobile phone signal jammer...


  • The purchase of mobile phone jammers is suspected of illegal

    Every year during the college entrance examination, the school will have network problems, such as mobile phone disconnection and slow Internet speed, because the school has turned on mobile cell phone jammer.


  • The greater the power of the wifi jammer, the better the shielding effect

    In the Internet age, the Internet has become a "necessity". For many people, no Internet is more uncomfortable than a dead cell phone. Also in life, many people will install a broadband at home in order to better experience the Internet.


  • Mobile phone jammer prevents loss of electronic property

    The mobile phone signal changed from 4G to 2G, and the money in the bank account was looted? This may be criminals committing crimes maliciously through SMS sniffing technology, intercepting users' SMS verification codes from banks, third-party payment platforms and mobile operators...


  • The heat dissipation function of the mobile phone jammer is very important

    Metal has the properties of a mobile phone jammer, and there are many metal cabinets in public places. You cannot bring your mobile phone when you go swimming or bathing. For safety reasons, your mobile phone is usually locked in a tin cabinet.


  • Security work uses large signal jammers to maintain order

    In this year’s Youth Olympic security, Nanjing Metro Police specially introduced two new security weapons, which are signal jammers and mobile X-ray machines.


  • Mobile jammers are conducive to the normal performance of students

    Yesterday, the invigilator was installing mobile jammer equipment in the examination room of Shanghai No. 8 Middle School and arranged it in accordance with the standardized examination room.


  • Mobile jammers often appear in major exams

    The two-day countdown for the college entrance examination shows that all preparations for the college entrance examination in Fujian Province are basically ready.


  • Mobile phone jammer prohibits playing mobile phones at work

    In order to prevent employees from playing with mobile phones during work, the company used mobile cell phone jammer ingeniously, which resulted in complaints from surrounding residents.


  • Can mobile jammers really build a style of study?

    Signal jammers are installed in the classrooms, and the teacher only needs to press a button, and the mobile phones become bricks. The teacher's control of this high-tech will undoubtedly make the students "frightened."


  • Mobile phone jammer to prevent leakage

    "In less than an hour after the test started, the answer to this art test literary knowledge (hereinafter referred to as "Wen Chang") was posted on the Internet."


  • There is no mobile phone jammer in the examination room. Students use mobile phones to check answers

    A number of candidates who did not want to be named revealed to reporters that some candidates in their examination room handed in papers more than an hour in advance, and that candidates were still allowed to enter the examination room for the exam even if they were 20 minutes late. .


  • Mobile jammer can be turned on at the appropriate time

    485,000 students in Hubei began to take the annual college entrance examination on the 7th. For the first time, all examination rooms and candidate lounges were required to install mobile phone signal shielding devices and other equipment.


  • Mobile jammer can be adjusted as needed

    Shielding mobile phone signals, as an important means to prevent candidates from cheating, is facing severe challenges with the advancement of technology.


  • Mobile jammers create a quiet classroom environment

    "In order to prohibit senior high school students from using mobile phones in class, each classroom must turn on mobile cell phone jammer." Recently, many parents posted online reflecting that they worried that this practice of Jiangxia District Experimental High School would affect their children's health.


  • WiFi Jammers Are Used In Various Fields

    Drones are very popular in the current era of science and technology. Drones have become a favorite project. People can enjoy panoramic views and take more beautiful photos.


  • GPS Jammer Prevents Vehicles From Being Tracked

    I want to buy a GPS locator to prevent the vehicle from being tracked, which may lead to leakage of my privacy. I have seen many shops about this product on the Internet.


  • Mobile Phone Jammer Prevents Trojan Horse Apps

    Hello everyone! I want my own cell phone signal jammer. I mainly want to use it at home. I also want to use it on the vehicle to protect my privacy. I saw related articles on the forum about desktop computers being more suitable for families.


  • Old Jammers Will Not Be Able To Jam The Latest Smartphones

    As we all know, mobile phones are becoming more and more popular, causing many social problems, so more and more people use mobile phone jammers. What are the benefits of mobile jammers? What are the disadvantages?


  • Very Special Mobile Phone Signal Jammer

    I know that the school uses an example of cell phone jammers, but if I have jamming devices in other locations, can you please provide specific information about where the signal jamming devices need to be used?


  • Wifi Jammer Can Help You Block Wireless And Bluetooth Signals

    Hello everyone, I know that the gsm blocker is the 2g frequency we often say, and it is the basic communication signal frequency of our mobile phones. In addition, what fields are it used in? The GSM frequency band is also widely used in various anti-theft systems.


  • Wi-Fi Networks Are Vulnerable

    Hello everyone! Is your child addicted to online games? Maybe not. Maybe it is serious. My child is severely affected by online games. What is the best way to save him from the game? First of all, online games are entertainment activities that require network signals, so please disable them, wifi jammer can help you.


  • The Wifi Jammer Should Have A Good Wireless Signal Shielding Function

    Hello everyone! I know that not only in the public network, but also in the home network, there are security risks. How should I choose to protect my home wireless jammer equipment? According to your question, I conducted some simple analysis.


  • Wifi Jammer Produces Radio Waves Of The Same Frequency

    Recently, my home wireless network signal is very weak or even not available. How can this happen? My friend told me that there may be the following reasons


  • WiFi Jammers Can Block Wireless Network Signals At Home

    I want to make a simple wifi signal jammer by myself, which can improve my hands-on ability and block wireless network signals at home. Can you recommend some links about making videos? There are many courses and documents on the Internet.


  • Mobile Phone Signal Jammer Market Has Investment Potential

    After studying and observing the various factors that determine the growth, we carefully planned a market research report on the global mobile phone signal jammer market, such as the environmental, economic, social, technological and political status of the above-mentioned regions.


  • Mobile Jammer Cheating To Win

    Cauet is a well-known fact and cannot be played within the rules. On November 23, his team members described how he cheated in "Who Wants to Be a Millionaire". At that time Jean-Pierre Foucaut was still the star host of the project.


  • Mobile Jammers Disrupt Operators’ 3G Services

    ANFR sometimes publishes one of its investigations. This week, a person used a cell phone jammer to block the 3G service of an operator in Gagny (Seine-Saint-Denis). This jammer interfered with a public health agency that specializes in mental health.


  • 5G Mobile Phone Jammers Have An Impact On The Mobile Phone Market

    5G may restart major actions among operators. It seems that someone has already opposed them: the day of 5G frequency allocation auction. It was originally planned to be carried out in April, and should be carried out at the worst possible time in late July or September.


  • Mobile Phone Jammer Cuts Off The Internet To Obtain Electronic Communication Services

    Decline in production, reduced turnover, slow activity... The government decided to temporarily cut the Internet during the bachelor's degree exam, which severely hit companies in various industries, including loss of income.


  • Mobile Jammers Make Drivers More Attentive

    The truck driver allegedly admitted that he had lost control of the vehicle after trying to pick up an object that fell on the floor of his cab. According to reports, it was reportedly between Vervins and Southens in northern France on Tuesday afternoon.


  • GPS Jammer Prevents Cars From Being Stolen

    The Peugeot 3 008 is clearly popular in the African car market, and a network of small traffickers specializing in theft of this particular model has grasped this trend. Five men aged between 27 and 37 were arrested on Tuesday in Clichy-la-Garenne (Upper Seine) and Calais and Boulogne-sur-Mer (Pas de Calais).


  • Long Criminal Record Of Cell Phone Jammers

    Robert Dawes did not waver after announcing his sentence on Friday night, but was appealed and sentenced to 22 years in prison and a customs fine of 30 million euros.


  • Mobile Phone Jammer Makes GSM Products Unusable

    Internet outages happen frequently. If the user is not necessarily aware of this due to the duration of several milliseconds, it may affect the connected objects in the house, many of which are already connected to Wi-Fi.


  • Mobile Phone Jammers Protect The Safety Of Electronic Devices

    No matter how many hours, days or weeks you are away from home, you may feel uneasy, worried, unattended like this. IP security cameras are a simple way to solve this problem.


  • Neighbor Interrupted Security Camera With Wireless Jammer

    My neighbors are interfering with my security cameras, so I need to stop doing this so that I can see them disrupting my front yard.


  • WiFi Jammers Can Prevent U.S. Companies From Sharing Data

    Hi, I'm really worried about my government's growing spy ambitions. That's why I want to know. This is news about their inquiries from Microsoft, Google and other media giants to obtain user information (such as passwords).


  • Can Wifi Jammers Prevent Hackers From Attacking Our Personal Data?

    Those SD cards with Wi-Fi capabilities are very popular because they provide a wide range of opportunities for quickly sharing any type of content.


  • Can WIFI Jammers Block Those Hidden Bluetooth? Peterson Alex

    Hello! I am a teacher and offer special courses for all kinds of people. I need to stop the hidden Bluetooth buds that are often used to cheat. I need a device that can only block the 2.4 GHz frequency.


  • Does GSM Phone Really Block Communication In A Cell?

    Is it true that the guys at the Technical University of Berlin can block all mobile communications in a cell with an old GSM phone jammer? As far as I know, they have updated the firmware of the phone in some way to prevent phone calls.


  • Can GPS Jammers Really Block Trackers?

    My friend recommended this website to me because there are some jamming equipment experts and I have a similar problem. A few days ago, I found a GPS tracker under the car, but the problem is that I have a GPS signal jammer.


  • Can High-Power GPS Jammers Shield Family Cars?

    GPS jammers are designed to prevent antenna mining errors only when the correct antenna can be inserted. (Note: If you do not install the antenna to turn on the power switch, the machine may be damaged.)


  • What Is The General Shielding Range Of WIFI Jammers?

    6-channel car capture GPS positioning jammer 2 3 4G network signal jammer wifi jammer uses boutique 6-channel radio signal jammer, according to the actual situation of high-tech products developed by foreigners.


  • The WiFi Jammer Is Far Below The Electromagnetic Radiation Protection Requirements?

    The technical index of the portable deterrent device is the "Public Security Police Electronic Product Quality Inspection Center" obtained by the "Disease Prevention and Control/Environment/Health Product Safety Management Center"


  • Is The Refrigerator A Cell Phone Jammer?

    We heard about cell phones blocking the refrigerator at Perfectjammer.com. The situation is strange, but it is entirely possible. First, we will remind readers of this situation.


  • Signal jammers are special equipment

    Yesterday, the Morning News reported that a BMW from a car rental agency in Wuhan was driven to Shanghai by a tenant, and was almost dismantled and sold.


  • The driver uses the GPS jammer device at any time

    Modern technologies and opportunities are becoming easier and more accessible, and are often used by a wide range of people, whether it is individuals or small and medium enterprises.


  • The jammer shields all signals within a certain range

    Now more and more people are using car GPS positioning anti-theft device. It is common for companies or private cars to install GPS. Installing a GPS positioning anti-theft device on the car can enable the company or car owner to quickly use the GPS monitoring platform.


  • GPS jammer blocks signals and refuses to steal cars

    I have seen a lot of vicious mortgage car purchase incidents in the mortgage car industry. Because of a small GPS, the user’s car purchase money has been squandered in vain; then the GPS of the mortgage car is not cleared, there will be What kind of risk?


  • GPS jammer can effectively jam the signal of the locator

    Although the GPS jammer can effectively interfere with the signal of the locator, this approach is to treat the symptoms and not the root cause.


  • 9 hidden functions of GPS jammers

    We have reported on 9 hidden functions of GPS. Today we will talk about 6 things you don’t know about GPS jammers. Because of the recent use of high-power GPS jammers in North Korea, such products frequently appear in major media.


  • Car GPS signal jammer cannot shield cell phone signal

    The mobile phone jammer shields the signal of the mobile phone card, that is, the base station signal, and the GPS jammer shields the GPS positioning signal. Summary: Mobile phone signal and GPS shielding are not in the same frequency band.


  • Mobile jammer installation location is very important

    Using multiple mobile phones with multiple frequency bands to test the shielding effect of mobile phone signal jammers on site is a very convenient, labor-saving and feasible testing method. Compared with the limitations of passing the mobile phone test software


  • Mobile jammer controls readers’ freedom of communication

    During the holidays, in order to supplement extracurricular knowledge, children generally choose to go to the library to read a group of books. The library installs a mobile phone signal jammer in order to have a comfortable reading environment in the place, but some readers say that blocking the signal causes great inconvenience.


  • Band jammer cuts off the user's network

    There is no doubt that 5G is getting hotter today. Various topics about it continue to fly, and hype and real hammers burst one after another. If we want to get a feel for what it means to see "new people laugh, but old people cry", then a good way is to see the old 5G predecessors.


  • Definition of jammer and matters needing attention

    Definition of interfering device: Interfering device is a device that emits radio waves. Its frequency band is the same as that used by mobile phones. Therefore, mobile phones, etc.


  • Function and application of GPS jammer

    About GPS jammers With the development of GPS satellite systems, it has brought some inconveniences, such as leaking privacy and bringing great convenience to users.


  • Students playing with mobile phones in class is an annoying problem

    With the development of science and technology, electronic products such as mobile phones have been greatly developed. Useful for daily life. On the other hand, there are some disadvantages.


  • Mobile jammer allows you to have a quiet living environment

    Today, many people use mobile phones. I am indifferent to what is happening around me. Contact with friends and family tends to decrease. How can we improve the situation? Please go to this website.


  • The difference between desktop and portable jammers

    Many people are at a loss when shopping. This is the reason for not understanding product features and specifications. Some people say the purpose of buying things is not clear.


  • Small phone jammers block radio waves

    In recent years, machines such as radio jammers have become popular. This site is a store dedicated to selling this product. There are other purposes for buying this jammer. Many people have questions about this product.


  • The development of GPS signals is used to monitor others

    I recommend popular GPS jammers today. GPS positioning systems are active in many places. The GPS positioning system knows the exact latitude and longitude of the user.


  • Radio waves may be bad for our health

    With the improvement of living standards, health issues become more and more important. With the continuous expansion and diversification of the use of radio waves such as smartphones, mobile phones, wireless LAN


  • High-power jammers can cover a wide area

    Many people value information protection. The safety of the surrounding environment must also be emphasized. What are the effective measures to protect your privacy? do you know.


  • Cell phone jammer to suppress the inconvenience of ringtones

    In recent years, with the rapid popularity of mobile phones, smart phones have become convenient because they can answer calls anytime, anywhere.


  • GPS Jammer Can Interrupt Or Control Communication

    Jammer devices are usually used to interrupt or control communications. Designed to protect your area and assets from threats. It can be effectively used to eliminate threats.


  • Mobile jammers generally have a specific range

    Some cell phone jammer devices are designed to prevent the use of phones in certain areas. Use the same range to block phone signals. It has various functions.


  • Mobile jammer protects the order of the conference

    Today, people keep in touch with the help of Wi Fi Internet. Wireless communication is used in various meetings. I have a bug that works at 2.4 GHz. Capture important data.


  • Smartphone jammer helps you stay away from cell phone signals

    In recent years, wireless Internet has become very popular. Radio signals are often used. I can't imagine life without WiFi and Internet. You can simply share information. Although useful, it may violate privacy rights.


  • Radio wave jammers are the wisest choice

    This is the description of the jammer device. WiFi jammer, used to interfere with wireless communication. It is also called a deterrent device or handheld jammer. Choosing this equipment in one place is the wisest choice.


  • Mobile jammers can create a quiet environment

    Should I use a jammer? Many people have this problem. With the rapid development of high-tech technology, many over-range devices have been sold on the Internet. It has the function of blocking telephone signals.


  • Cell phone jammer blocks all phone signals

    The telephone is a means of communication. In recent years, the use of mobile phones has greatly increased. It may cause indifference, accidents, inconvenience and inappropriate behavior.


  • WiFi jammer protects your data and privacy

    With the rapid popularity of mobile phones, in many cases other people will be troubled. The ringtones of mobile phones can interfere with watching movies and cause discomfort.


  • Mobile jammer supports various types of interference

    Young people today are too rude. Unpleasant conversations are prohibited. The handheld jammer sends signals at the same frequency. The cellular signal area is disabled.


  • Mini portable GPS jammer

    Smart phones are also beneficial to our lives in many ways. But there are many problems. Walking and driving while operating a smart phone is very dangerous. Walk while operating a smartphone.


  • Smart phone jammers can meet your confidentiality requirements

    The jammer is like an invisible wall. For the installation and use of jammers, minimum principles must be followed. A telephone signal shield is installed in the campus.


  • The jammer and the mobile phone signal have the same frequency

    The modern information age is developing rapidly. There are problems with the security of wireless communication. All parties in Japan and abroad are challenging the confidentiality and security of economic and scientific information.


  • Strong demand for jammers

    Selectively block phone signals in highly confidential locations such as businesses and institutions. Open some signal areas. You may need to turn off traffic lights in certain areas.


  • in u.s. use law restrict the use of jammer

    New technologies bring benefits to our lives. But this may cause serious problems. Telephone jammer devices are becoming more and more popular to make life safer.


  • Disruptors are beneficial to students' learning

    Most exams use mobile phone signal jammers to achieve fairness in the exam. The development of mobile phones has promoted the development of telephone jammers.


  • Desk phone jammers can block multiple frequency bands

    As you know, mobile phones have brought many conveniences to people. Employees use mobile phones during working hours. In this case, you will need a cell phone signal jammer.


  • WiFi jammers may endanger public safety

    In recent years, serious accidents have occurred, such as leaks, laboratory cheating, and gas station explosions. Emphasize the leader.


  • WiFi jammer can shield Bluetooth signal

    Bluetooth jammers have many uses. You can easily block Bluetooth and UHF signals. You don't need to buy three signal jammers. WiFi signal blockers are very popular.


  • Cell phone jammers maintain a fair environment

    I usually don't use this GPS jammer. What are these electronic devices doing? The deputy director of the Contemporary Education Technology Center said that he will use a jammer to build a standardized test room.


  • Jammers make life more convenient

    Hold the phone and find the signal. Why do you need cell phone signal shielding? In fact, there are two aspects. For those who can use a mobile phone, the stronger the mobile phone signal,


  • Bluetooth and WiFi are the same frequency?

    You must have a Bluetooth-enabled device to use this Sphero robot. There are various applications that allow you to control it in the most effective way.


  • What is the structure of a signal jammer

    The jammer phone is very different if you compare the mobile devices of the era. Some signal jammer are very simple, while others are very complex devices that combine many components to make them work properly


  • How long do most jammers generally work

    The working time of the signal jammer is very interesting. In fact, there are many factors that affect it, including battery type, power adapter usage, heat loss, and other factors.


  • How do different jammers release the heat generated

    No matter what type of signal jammers you use (except for very small jammers), they will heat up over time. Like all other electronic devices, the components inside the portable jammer will eventually generate heat.


  • Can one jammer be notified to block multiple bands?

    When the electronic jamming equipment industry was just beginning to develop, signal jammers were used to block a single frequency band. Later, with the development of these useful jamming devices


  • How to choose the most suitable cell phone jammer

    Comparing signal jammers with each other is not as easy as it seems at first glance. In order to determine which signal jammer is best for you, you must have a certain understanding (at least the basics) of jammers and their working principles.


  • How mobile phones evolved into devices that people hate

    The inability of members of our society to manage social interaction becomes ridiculous. Why can't people ask them to leave the phone? Frankly speaking, if you have a valid complaint, such as a quiet restaurant or theater.


  • Principal illegally installed cell phone jammer equipment

    Many educators struggle to understand how to use electronic devices in the classroom. Some students have been educated about the adverse effects and encouraged them to regulate their use.


  • The cell phone signal is gone for no reason

    Sometimes the cell phone signal will be blocked by inexplicable and frustrating signals. Don't worry, first check where you are. You may be within the shielding range of the portable jammer.


  • Can jammers block the Bluetooth frequency band?

    Cheating exams is a real problem and we will try our best to help you. First of all, you should know that these devices cannot be used without a smartphone. They are of course widely used, but not everyone can afford to cheat.


  • A jammer was installed for the fair examination

    In order to re-examine cheating on the use of electronic equipment during the exam, the Himalal government decided to use jammers at the test center that plans to recruit police officers on September 8.


  • Jammers are used to cut off links between criminals

    So far, during the visit to VVIP, the state has relied on interference vehicles from neighbouring Haryana and Punjab. Nearly a decade after it began to modernize the poorly equipped police force.


  • The jammer is already in use on the sea

    Following the submission of the NGJ-LB proposal in January, Northrop Grumman, by choosing CPI Aero, Inc. to provide the NGJ-LB pod structure and assembly, continued to advance the implementation.


  • Jammers have a great impact on public safety

    Communication provides a vital lifeline for first responders and federal law enforcement personnel in the United States to ensure that they can do their duty to protect and serve our citizens, communities


  • Jammers have powerful power and task processing capabilities

    For years, officials have been touting the Navy's "next-generation jammer", which is the main off-area electronic attack platform of the joint force, and its power is at least 10 times that of traditional weapons.


  • Jammers have been used in war

    The US Space Force announced on March 13 that a new type of ground communications jammer used to block enemy satellite transmissions is ready for combat operations.


  • Sell ​​various jammers

    perfectjammer specializes in the production and sale of high-quality signal jammers, and provides jammers for a wide range of military applications. Drone jammers include portable, desktop, suitcase, briefcase and car models.


  • A jammer that can be pocketed

    This pocket-sized portable wireless jammer mini phone is easy to carry, just open it to immediately block the signal near you and enjoy a quiet dinner, and this interference can prevent your privacy from being stolen.


  • Portable jammers return you a normal lifestyle

    In the era of high-speed information, most of us are obsessed with choosing smartphones all night long without realizing a healthy lifestyle. This is harmful to the impact of wireless mobile internet.


  • Why not install an aircraft jammer?

    If the phone on the table is next to the computer, and every time the phone exchanges, you can hear the speaker ’s static noise coming from the computer.


  • Jammers can help down to earth

    If you try to turn off the GPS tracking device in other ways, please go here, it is best to buy a high-power Bluetooth GPS signal from the jammer.


  • Jammers can exercise your self-control

    Mobile phones have their advantages and disadvantages, the most important thing is how to use it as the best tool in our lives, rather than let it control your life.


  • Mobile phone jammers help you quit phone addiction

    Thanks to high technology, mobile phones came out, and our lives have changed a lot. The telephone makes our life easier and brings us convenience.


  • Jammers can reduce myopia

    Nowadays, children use mobile phones more and more. And more and more teenagers are wearing glasses. What's wrong The academic world has the answer.


  • The jammer makes our communication more secure

    Communication security is a big issue for the modern world. With the advancement of science and technology, mistakes in movies can be easily purchased.


  • How jammers can fight criminals

    In the United States, a prison guard said he needed more tools to help fight criminals. According to statistics, from 2018 to 2019, as many as 5,000 illegal criminals caused by mobile phones and drones


  • Compared to men, women need the protection of a GPS jammer

    Why do you need it? In fact, GPS tracking has become more and more common. It is conceivable that as GPS technology becomes more and more complex, GPS tracking technology becomes more and more complicated.


  • Cell phone jammers can change our lives

    How do you get people to talk to each other face to face again? Now there is a new method - the cell phone signal jammer. Once the device is turned on, all surrounding signals disappear, so people have to put down their phones and start normal communication


  • Use signal jamming devices for self control

    For those people who are poor in controlling themselves in playing mobile phones, they can chase their cell phone jammer without hesitation because with this smart kit, you can have a good habit to make phone calls and raise a high standard in using cell phones. The parents or bosses will give great support to such great invention of the WIFI signal blocker because they have a more wise way to stop their children or staff in the game world, they just want them to be healthy and more focus on what they are doing. Without the disturbance of the WIFI and mobile phone world, they can focus all their attention and follow their dreams all the time. Of course it is just a stupid way but the most simple way to improve their self-control ability.


  • Signal jammer becomes the bridge of human communication

    Therefore, how to shorten the distance between each other become a lot of people's trouble. Sometimes you will find that although you are very close to each other, you are actually far away. Therefore, the use of signal jamming devices has become an important tool for people to re-communicate


  • Why do schools need hidden cell phone jammers

    Because of its invisibility, the device can prevent children from using their phones without their knowledge. Therefore, this signal jamming device is required to be accepted and used by parents, which is one of the most commonly used jamming devices in the United States


  • Mobile phone jamming devices are being used in universities

    The stage of college will be the most important period of our life. Just in this key period, we can build our systematic outlook. We need to learn knowledge, at the same time, we also need to learn some skills, which will be of great help when we come to the job market. The ability we gain in the college will be useful all the time. Besides, there we gain more true skill and genuine knowledge if we study hard with whole heart. In order to improve their scores, the college will organize different kinds of examinations and in order to create quiet fair environment during their examinations. The application of cell phone blocker is very popular there, that is why you can not get any phone signal when you are in your examination.


  • Signal jamming devices block mobile games

    We of course don’t abject to play games, we advocate a healthy way to play mobile phone games in the cell phone WIFI blocker from our store. As mobile phones are the product of high-tech, they bring wonderful entertainment to our human beings, which make our life much more colorful. While we must face the truth that mobile games are easy for people to be addicted in it. As mention above, it is high-tech product that will attract our attention as easy as beauty.


  • Use signal jamming devices to restore personal relationships

    As the world gets more modernized, the distance between people is more far away especially when people are addicted in mobile phone life and can not get out of the world totally. Do you want to get back to the original life? There is no cell phone, there is no game and there is no continuous phone rings at all, you can talk with your family or friends face to face and share the happiness and sorrow with them and live a more real and more close life with them.


  • Cell phone jammers can help you achieve happiness

    What is the exact definition of happiness? Some people think marry to the people they love and live a plain life is happiness, even though they can not afford a bigger house or a brand-new car;And some other people think that don’t need to go to work and sleep in the bed until the noon is happiness. Apparently, the definition of happiness varies from person to person.


  • The contribution of cell phone jammers to classroom safety

    According to the statistic, nowadays the accidents caused by usage of mobile phones when driving is innumerable. The temptation to pick an important call when driving is huge. In order to protect the safety of driving, today we produce the mobile phone jammer for car using. While you may make phone calls when driving successfully in the past, it is not a good idea for the safety of our life.


  • How to create silence through signal jammers

    A lot of times, you need to be quiet. You need to be quiet when you're driving. You need to be quiet when you're in the library. Now, many times, a quiet environment can give you more focus and efficiency. Therefore, many people choose to use cell phone jammer at this time


  • Use cell phone jammers for health reasons

    There used to be hype around the possibility of cell phones causing cancer. Do you believe that? Maybe it is not serious like that, but overuse of mobile phone really can cause many problems in our daily life. So we invent a device which can help you a lot, its name is mobile phone signal jammer. For your health and for your peaceful life, you had better try this signal jammer today. Health while the topic remains controversial, there are people who believe the microwave radiation the phones emit can cause such problems as cancer and Alzheimer's disease from prolonged use Environment.


  • Why did the university choose cell phone jammers

    Why choose to use cell phone jammers in school? It starts with the current state of educational institutions. At present, almost every student is equipped with mobile phone, so when teachers are in class, many students are using their own mobile phone, which has caused great obstacles to teaching. Therefore, out of the need of education, many schools have bought cell phone jammer


  • Why is there a need for signal jammers

    Do you know the importance of the mobile phone jammer? Maybe you have no idea about such jammer kit, after you read following details, you will find that how important about buying mobile phone jammer to block the phone signal now. As we all know that bad influence on fewer communication.


  • What frequency can we jam with cell phone jammers

    First of all, if you are curious about this question, then you must have a need for this kind of device and don't know much about it. In general, cell phone jammers can jam almost any cell phone signal, GSM, 3G, 4G, 5G.


  • What Kind Of Signal Jammer Should Be Chosen

    Now, almost everyone needs a signal jammer, but everyone's needs are different, so what kind of jammer do you need, and whether you know it or not.


  • What's the scope of the signal jammer

    Usually, a lot of people buy a signal mobile phone jammer and go back and find that the actual jamming distance is much smaller than what the supplier says. Why is that? This is very simple, because the data provided by the supplier is in the best condition, and normally when we test in the city, we will get obstructed by buildings and interference from signal towers, so the interference distance will be smaller


  • How can signal jamming devices work

    How do you put a cell phone jammer in the right place? It's a very sleepy thing because a lot of people don't pay attention to other people's feelings when they use it, so a lot of people use this kind of device and it causes resentment. In fact, many people don't use these devices properly


  • How to buy GPS jamming device

    How to choose GPS jammer correctly? This is a conundrum, as the frequency varies slightly from country to country. So how to choose such a device is a very important issue to consider. So this time our expert will tell you how to choose a GPS jammer


  • How to prevent surveillance by GPS blocker

    Honestly, with the development of technology, you are more and more easily followed and monitored. You never know when you're going to be followed and watched, and now you're getting so sophisticated that you barely notice. However, since these principles are based on GPS positioning, there are ways to combat this behavior


  • Choose the correct signal type for the GPS jammer

    As we know, GPS signal has five frequency bands, namely GPS l1-l5. So how do you choose the frequency you want? First, we need to know what frequency band we're using. Then choose the jamming device you need


  • How to choose signal combination of mobile phone jammer

    How to choose a combination jammer? This is a very important question. You have to understand which bands you need to jam, put them together, and customize your own combination jammer


  • Why are signal jammers becoming popular

    Can cell phone jammers reduce traffic accidents? What the hell is going on here? Why is it so effective? Let's see what this device does


  • Cell phone jammers reduce traffic accidents

    Can cell phone jammers reduce traffic accidents? What the hell is going on here? Why is it so effective? Let's see what this device does


  • What are the advantages of choosing a remote jammer

    Why do you need a remote signal jammer? What are the benefits of choosing this jamming device? Many people may not understand these questions, but it doesn't matter, our experts will answer them today


  • Choose a cell phone jammer that works for you

    The most suitable signal jammers of their own are certainly tailored. You can customize your own jamming equipment according to the signal frequency you need to jam. The benefits are huge. You can take advantage of every jamming band and use it more easily than normal jamming devices


  • What type of phone jammer should you choose

    More and more places are starting to use cell phone jammer, but many people don't know what they need before they buy them, and sometimes when they buy them back, they will find that they can't block the target signal.


  • How to determine the signal jammer interference effect

    Signal jammer - depending on the object you want to block you will have to get the same jammer that supports one of the above mentioned frequencies. The jamming device will emit the signals on the same frequency that the device that is to be jammed


  • How to block the cell phone signal around

    Let’s say that you are sitting in a nice café and all you do is enjoying the situation around you. The only thing that bothers your attention is the fact that there are many people who are doing the worst out of the situation by simply speaking on their phones without stopping


  • Cell phone jammers help teachers regain control of the classroom

    For those teachers that are troubled by students distracting others by using their phones during class, a classroom jammer may be exactly what you need. With these devices, you can stop the conversations instantly, prevent students from cheating on exams, and stop class disruptions caused by cell phone ringing and buzzing.


  • Working mode of GPS signal jammer

    How do GPS signal jammer work?This Global Positioning System uses a series of earth orbiting satellites that send out radio signals. The signals reach a GPS receiver to determine positioning via triangulation. GPS can be found in individual handheld units and cellular phones, vehicle navigational and positioning systems, and in small GPS tracking devices


  • Why do prisons need cell phone jammers

    More prisons now realize the threat to the general public and correctional workers, due to illicit cell phone use by inmates. Prison mobile phone jammers are becoming an increasing security need in prisons, jails, and detention centers


  • How to stop eavesdropping with cell phone jammers

    As our world becomes more and more intelligent, our life begins to become more and more convenient. However, with the development of technology, many smart devices are beginning to be monitored. More and more people can't stand living under surveillance every day


  • How to block signals in the office with cell phone jammers?

    In fact, this method has been used by many enterprises. Because in many enterprises, employee slacking has always been a big problem. More and more people are using social media at work. Watch video. As managers, they are powerless.


  • How to protect trade secrets?

    As we all know, nowadays business competition is becoming more and more fierce. Many companies go to any lengths to obtain trade secrets. The usual method is wiretapping. Faced with such tactics, many companies have had to step up their efforts to keep meetings and secrets secret. But there are always omissions. Until a device came along


  • How to protect trade secrets?

    As we all know, nowadays business competition is becoming more and more fierce. Many companies go to any lengths to obtain trade secrets. The usual method is wiretapping. Faced with such tactics, many companies have had to step up their efforts to keep meetings and secrets secret. But there are always omissions. Until a device came along


  • How to stop GPS tracking in car

    GPS tracking is the biggest security issue in North America. Thousands of residents are threatened with stalking every day. Fortunately, Perfectjammer experts have found a new solution.


  • How to prevent cell phones from being tapped

    In fact, since the prism scandal, we all know that our phones are not very safe. We know that maybe our phones are being monitored by government agencies or spies. But what can we do about it?


  • Can hospitals use cell phone jammers?

    On the whole, our team of experts think this approach is reasonable. Because many hospitals have sought help from Perfectjammer to set up signal interference system in the hospital


  • How Large range of drone jammer

    Now, as drones fly higher and higher. Using drone jammers is also getting harder. Right now, uavs can fly at altitudes of between 1,000 and 1,500 feet, which is generally difficult to jam. So can the drone jammers reach that altitude?


  • How to jam cell phone spam message?

    As far as I know, we're getting a lot of spam on our smartphones every day. Maybe somebody is trying to perform an analogue of DdoS attack to permanently block your phone.


  • How long before 5G jammers are in use?

    With the coming of 2019, 5G is getting closer and closer. A large number of 5G mobile phones are expected by the end of 2019.While this is a cause for celebration, it is not a good thing for business managers.


  • How do jammers prevent fires?

    Usually when we think of jammers, we think of anti-cheating and anti-tracking. So when it comes to preventing fires, perhaps few people know what is going on. In fact. We all know that the most fire-prone places are forests and gas stations. The biggest danger is at the gas station. Explosions caused by a gas station fire are more terrifying than a simple fire.


  • How to solve the biggest threat of GPS tracking

    GPS tracking remains one of the biggest threats to north americans today. If you're in North America, you've probably noticed strange cars following you around. So, you're usually being followed. You will often see strangers around you.


  • How long can use 4g jammers?

    Perhaps the biggest news of the year will be the arrival of 5G. Huawei has announced at a press conference that it will produce its first 5G mobile phone this year. The era of 5G is coming


  • What's the difference between mobile 5G for and WiFi 5G

    Before the real 5G comes, what we said before 5G actually refers to the 5.8g WiFi.The signals are usually used to control drones. It's also part of the radio signal. Therefore, this type of jammer is mainly aimed at drones rather than mobile phones


  • The concert order vindicator - jamming equipment

    This kind of equipment is necessary, of course. In the process of the concert, if there is any noise is should not. Therefore, the concert organizers think it is necessary to keep order. So the organizers will use a device called cell phone jammer. To prevent noise appeared in the process of the concert.


  • Why use jamming device in western restaurant?

    Generally speaking, the western restaurant for dining environment is very attention. As a result, we often can see at the entrance to the restaurant for your clothes clean, at the same time can not talk loudly in the dining process. Of course, to go to western restaurant, this is the basic manners. But you can never guarantee, each diner is then know the etiquette.


  • Why our cell phone no signal in cinema?

    This is a problem that people who go to the cinema often will notice. We will find that, when we enter the cinema area, mobile phone signal will fade away until disappear.


  • Why GPS tracking more and more?

    With the application of GPS technology is more and more developed, more and more application of GPS was born. GPS tracking is becoming more and more easy. This phenomenon has become a reality, is no longer just the equipment in the movie.


  • How to protect children's eye by jammer?

    Cell phone jammer can protect the child? The latest theory by the director of the institute Perfectjammer ishida tip in the 18th of this month. Ishida think, long time children use the electronic equipment will cause great harm to the eyes. Electronic devices emit blue light can cause irreversible damage to the eyes of the children.


  • School can use a mobile phone jammer?

    Before discussing whether to use cell phone jammer we must understand the use of mobile phones to the harm of children. Electronic equipment emitted blue light will cause irreversible damage to the eyes. This is why more and more children begin to wear glasses.


  • Why use mobile phone signal jammer in prisons?

    From a disciplinary perspective, is necessary to use a cell phone jammer. As more and more prisoners secretly use of mobile phones, the head of the prison had to consider the use of this equipment.


  • How to work cell phone jammer?

    How to work cell phone jammer? Disrupting a cell phone is the same as jamming any other type of radio communication. A cell phone works by communicating with its service network through a cell tower or base station. Cell towers divide a city into small areas, or cells. As a cell-phone user drives down the street, the signal is handed from tower to tower.


  • How to work drone jammer?

    The working principle of the drone jammer in simple terms, is through the radio signal coverage to affect the normal reception unmanned aerial vehicle (uav). Actually works is more complex. By emitting different signal, can be unmanned aerial vehicle (uav) return or cannot send images.


  • Can I jam a drone signal?

    Of course, you can jamming drone signal. Now, with the commercial chaos in drone, a growing number of government departments need to interfere with the drones. With their research, scientists soon developed a device called a drone jammer.


  • Can cinema use cell phone jammer?

    From the cinema's point of view, they have the right to do so. After all, they have an obligation to let more guests enjoy better service. So it is necessary to use cell phone jammer.


  • How to jamming 5G signals in the coming 5G era

    Indeed, 5G phones have been released this year, proving that the era of 5G is coming. This is good news for most people.


  • How to get cell phone jammer? How it work?

    It easily available and cheap. Lots of people have them, like professional wireless network installers and cable installers. Maybe you could ask someone like that.


  • Where to buy a cheap cell phone jammer?

    This is a difficult question to answer. Because different countries have different channels to buy cheap jammers. For example, North America, perfectjammer is a good choice.


  • How to prevent a drone assassination?

    This issue has been the focus of attention recently. The drone attack on August 9th, though unsuccessful, sent a signal. Killing weapons are getting smaller and smarter. Correspondingly, it is increasingly difficult to prevent. But it is not impossible to prevent.


  • Where can buy a drone jammer gun?

    In order to protect your daily life from being disturbed, we recommend that you use the drone jammer gun. This device can not only blocker with the general 2.4Ghz radio frequency, but also can jam the latest 5.8 Ghz radio frequency. This type of jammer's block range up to 1500 meters, and even high-altitude UAV can be shot down.


  • How can jamming cell phone signals?

    Imagine a noisy phone ringing next to you when you dine quietly. The phone rang when you were watching a great movie. At this time, maybe you need a cell phone signal jammer.


  • How can buy a cigarette lighter GPS jammer?

    For the sake of portability, the cigarette lighter type GPS signal jammer is the best choice. After all, it takes a long time to use in the car, and it will be very inconvenient if you can't charge it in the car.


  • How to make GPS jamming devices?

    Getting a GPS jamming device in the United States is not easy. So some people will want to do one themselves. But this is highly impractical. Because first of all you need to have a very professional knowledge of physics and hands-on ability. Second, it takes a lot of time to adjust. Therefore, it is better to buy one online.


  • How disable a drone signal?

    There are many illegal drones in the United States. The government has no intention of regulating the chaotic drone market. So if you want to deal with illegal drones, you have to do it yourself.


  • How can buy a wireless signals jammer?

    Of course, you can get a wireless jamming device. But, you can't get it in US. It is hard to buy this kind of equipment in the shop because of the policy. So there are other ways to get this kind of equipment in the United States.


  • Where can buy a cell phone jammer?

    It's hard to buy signal jammers in the United States for policy reasons. But you always need one for a variety of reasons, right?


  • What does the uses of cell phone blocker?

    With the popularity of jamming devices in recent years, you've probably heard of signal blocker.But what's the purpose of this device, you know?


  • How disable 4G signals?

    Although 4G signals are needed, they still need to be blocked in some special cases. For example, during an exam, or during a confidential meeting. But America still has no effective solution


  • How to jam GPS tracking from phone?

    Now more and more apps are equipped with GPS positioning function. This feature is easy to use for tracing. Therefore, it is easy to be used by hackers and criminals. It's very dangerous.


  • What does mobile phone signal blocker?

    Cell phone signal jammer is a device for cellular signal. When turned on, a signal vacuum can be formed quickly. Effectively block all kinds of cell phone signals


  • Can shoot down drone in US?

    Because the United States has no special control over drones. So there are still a lot of illegal drones out there. So, if you're dealing with these drones, I think it's legal


  • Public places should disable mobile phone signal?

    Usually, most of the answers are to ban cell phone signals. I think most people are fed up with the sudden ringing of cell phones in cinemas and theatres. Therefore, it is necessary to block cell phone signals in public places.


  • How to disable cell phone signals in working time?

    Indeed, there are many times when you need to block cell phone signal at work. Not to mention that some tech companies want to block cell phone signals for security reasons. Of course, cell phone signals still exist.


  • How building your own GPS jammer?

    This is a very practical idea. When your rights are not protected, you need to protect them by yourself. But it's hard to make the equipment yourself. You need some knowledge of circuits and hands-on skills. Fortunately, such devices are now available in online stores.


  • How to disable a GPS tracking?

    How to block a GPS tracking signal, this may be a majority of americans want to know. Tracking devices are often installed in the United States because human rights are not protected. Even so, people still want to avoid being tracked. That's why we have a GPS signal jammer.


  • Can buy mobile phone block in US?

    Cell phone signal jammer are hard to buy in stores because of U.S. policy. Usually you can only buy such device through online stores.


  • How can blocker drone signal?

    Due to the increasingly advanced technology of unmanned aerial vehicles, many of them are used for illegal purposes. These drones have been used for invasion of privacy, smuggling and other purposes. For a variety of reasons, we need to shoot down these drones.


  • Have a device that can jam cell phone signals?

    Sometimes we have to put up with loud phone calls in public places like cinemas. Most people want to block their cell phone signal when they watch a movie. But the phone still bell rings.


  • Teacher can use mobile phone jammers?

    In the face of more and more technological means of cheating, relying on traditional means alone has difficult to stop. Because students don't just rely on mobile networks to cheat, they also use technology like bluetooth to cheat.


  • What does car blocker?

    Car GPS signal jammer is a device to prevent GPS tracking. After this device turn on, GPS signals within a range of 5 to 15 meters can be quickly blocked. Effectively prevent from being tracked.


  • How to block phone tapping

    With advances in technology, mobile phone tapping is no longer seen only in movies. In the United States, it's easy for your phone to be tapped. So you need to learn to protect your privacy.


  • How to kill cell phone signal?

    Cell phone scrambler is a blocking device of cell phones, which sends the blocking signals to towers from the same frequency range of the cell phones, the interference cause the cell phone to lose the signals from the station.


  • What is a cell phone scrambler?

    Although cell phones are considered to be one of the most important devices, there will be many situations where they can become a torture. They can even spoil some of your most beautiful moments and events. Many times, we will be disturbed by calls when we are in an urgent meeting or situation


  • How to stop cell phone signal?

    Undoubtedly, the most convenient method is to use cell phone signal jammer. There are ways to build Faraday cages, but they are expensive and not portable.


  • What is a cell phone jammer used for?

    Cell phone scrambler can be used in places like hospitals, churches, movie theatres and other places with performances, and other buildings where and when the use of mobile telephones may result in a leak of sensitive information


  • How to jam a cell phone?

    Perhaps you've heard that some libraries are already using a device called a cell phone scrambler. The main purpose of the device is to keep order and quiet on site, and to disable access to mobile phone signals.


  • How to make a cell phone jammer?

    Cell phone jammer creates strong interference for communication between the caller and receiver. It is efficient in blocking transmission of signals from networks including UMTS, 3G, CDMA, GSM and PHS.


  • How to block cell phone signal?

    All cell phones which use GSM800 have their transmitted and received frequencies always separated by 45MHz. So when the mobile phone tries to call, it is blocked by its own signal returning to it


  • What device can disable cell phones?

    Such devices exist, and a device called a cell phone jammer has been used in many public places. Disrupting a cell phone is the same as jamming any other type of radio communication.


  • What is cell phone jamming device?

    Cell phone jammer can disrupting the communication between the phone and the cell-phone base station, effectively disabling mobile phones within the range of the jammer, preventing them from receiving signals.


  • How to buy cell phone jammers?

    Because of the particularity of the cell phone jammer device, it is difficult to buy the general store. So you can only buy it in an online store.


  • How to drone jammer work?

    The drone operates in the 2.4 GHz and 5.8 GHz at a distance of from 200 to 2000 meters and more, depending on the location, power of the device and the distance from the operator.


  • How to prevent WIFI hackers?

    However, with the popularity of WIFI, there are some bad effects. For example, hackers can easily steal data from your computer through the WIFI network.


  • How to anti-GPS tracking?

    With the progress of science and technology, positioning technology is becoming more and more developed, personal privacy is increasingly threatened.


  • What can a GPS jammer do?

    Most GPS blocker vehicle anti-tracker are built for military uses, for instance, to confuse the enemy on where their exact location is or where the enemies satellite positioning guided missiles or bombs will fall.


  • Why buy GPS jammer?

    With advances in technology, there is always the tendency to relinquish more and more of our privacy. GPS tracking cell phone technology is no different.


  • How to jammer GPS signals?

    Find a GPS jammer that fits your needs and budget. The device can block GPS tracking devices from sending signals to its receiver. Be careful, though, some of these can block signals only up to few meters.


  • Can use cell phone jammer in church?

    In Monterrey, the Sacred Heart church, a baroque temple favored by Mexico's elite for weddings, church officials acquired their blockers two years ago.


  • What is the use of cellphone jammer?

    Cell phone jammer is a device that blocks transmission or reception of signals, usually by creating some form of interference at the same frequency ranges that cell phones use. As a result, a cell phone user will either lose the signal or experience a significant loss of signal quality.


  • Can jam both 4G and WIFI signals at the same time?

    At present, France, Japan, China and other countries have used this cell phone jammer on a large scale. Used in education to prevent students from cheating and using mobile phones during class. In addition, some business owners also purchase such equipment for meeting rooms and office areas.


  • Are cell phone jammers legal in schools?

    It is now legal to use jammers in schools such as France, Japan and China. Japan and China have been using cell phone jammer for a long time. Now Europe is beginning to accept the use of jamming devices.


  • Is there a remote control jammer?

    Although we may be used to starting the jamming device ourselves. But the latest remote-controlled cell phone jammer have appeared. The jamming device has a remote control like a car electronic lock. Remote control can be done with the buttons on the remote control.


  • Can be used cell phone jammer in car?

    Although we usually use cell phone jammer indoors. However, this does not mean that the jamming device can only be used in a specific range. Jamming devices can also be used in cars.


  • How to cell phone jammer work?

    Cell phone jamming devices overpower the cell phone by transmitting a signal on the same frequency and at a high enough power that the two signals collide and cancel each other out. Cell phones are designed to add power if they experience low-level interference, so the jammer must recognize and match the power increase from the phone.


  • What's the cell phone jammers?

    There are many legal purposes for using them in some peoples everyday lives. Cellular based security systems testing, cell phone testing, wireless product testing, and GPS product testing are areas where technicians use them all the time to verify their equipment is working without actually causing unnecessary calls to 911 centers. Many schools, theatres, movie shops, dorms, auditoriums, restaurants, and so forth can also use them legally.


  • Jammer signals will harmful to the human body?

    There are often concerns about whether the radio waves of the jammer can be harmful to humans. But in fact, the radio waves generated by the cell phone jammer are very weak to other objects in addition to interfering with cellular signals.


  • What is the classification of jammers?

    According to the frequency classification, the jammer can be divided into cell phone jammer, GSM jammers, GPS jamming device, WIFI blocker, drone jammer.


  • Does the jammer block other electronic device signals?

    There are also cell phone jammer that can interfere with a wide range of frequencies. However, this type of jammer can choose to turn on or off a single frequency. So, in general, the jammer does not interfere with other frequencies.


  • What should pay attention to before buying the jammer?

    The cell phone jammer is customized according to the frequency bands of different countries, please confirm that the purchase country and the actual use country are consistent. Otherwise it can not be used.Please read the jammer function before purchasing. If the low power jammers(such as handheld jammers) to blocker high power signal device(such as high-power WIFI router, Bluetooth audio equipment, etc.), the effect will be poor or even can not jammer. It is forbidden to use while charging. Do not use handheld jammers as desktop jammers. Do not use jammers before connecting the antenna.


  • Can jammers be used at extreme temperatures?

    For purposes of use, cell phone jammer is rarely used in extreme environments. Therefore, the use of extreme environments is not considered in the design. Usually the jammer can work in an environment from -10℃ to 50℃. If the temperature is too low, the jammer may need to be warmed up for a period of time to work properly. If the temperature is too high, prolonged use may cause damage to the jammer.


  • Is the jammer waterproof?

    The cell phone jammer is also has waterproof type. This kind of jammer can usually prevent water dripping and splashing. It can be used outdoors or without sealing environment.


  • What's the difference between GSM and CDMA?

    CDMA (Code Division Multiple Access) and GSM (Global System for Mobiles) are shorthand for the two major radio systems used in cell phones. The two cellular standards function in different regions and allow for global communication between individuals, and each converts incoming and outgoing data into radio waves differently.


  • What's the difference between desktop jammer and handheld jammer?

    Hand-held cell phone jammer are lightweight and easy to carry. There are two types: common and vehicular type. Vehicle-mounted type is a popular type at present. It can be recharged by cigarette lighter and can be used for a long time.


  • How long can jammer work?

    The working time of the jammer is determined by its built-in battery. Different cell phone jammer have different battery capacities. Usually the smallest interfering device can work for more than two hours, and a large capacity can work for 4-6 hours.


  • What is frequency band?

    A frequency band is an interval in the frequency domain, delimited by a lower frequency and an upper frequency. The term may refer to a radio band or an interval of some other spectrum. Frequency band is an important standard for cell phone jammer The frequency range is different, the signal that can disturb is different.


  • What is MHz mean?

    The megahertz, abbreviated MHz, is a unit of alternating current (AC) or electromagnetic (EM) wave frequency equal to one million hertz (1,000,000 Hz). MHz is a common unit of signal frequency used to distinguish different frequencies.


  • What is jammers?

    To put it simply, a cell phone jammer is, fundamentally, a signal blocking device, which transmits synchronized radio waves on the same frequency range of the device that one needs to blur, therefore preventing devices from transmitting data in the chosen area.