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The latest information about jammers

We are committed to providing the latest information on jammers. Here, you can see all kinds of information about jammers. Both military and civilian. Or some of our customer reviews. Here, you can always find information that will help you

Informations List 6

Military talks jammer's 'radius of action'

The military talks about a jammer's "radius of action," the physical space in which it cancels or mixes electromagnetic signals, including those from cell phones, sirens, ankle chains or RF devices, or even GPS.

Most WiFi jammers also have the ability to block Bluetooth signals

Because of their similarity, most WiFi jammers also have the ability to block Bluetooth signals. Check out our other articles on the benefits of wifi blocker and browse our range of bluetooth jammer available today.

New algorithm developed by the military allows the missile to detect the unique characteristics of the jammer and determine its location

The military pointed to newly developed algorithms that allow the missile to detect the jammer and determine its location. These algorithms focus on the unique characteristics of signal jammers.

Newark, New Jersey airport is effectively shut down after jammers inside company vehicles disrupt signal transmission

A high-profile example of the potential harm of signal jammers made headlines when Newark, New Jersey's airport was effectively shut down after jammers inside company vehicles disrupted signal transmissions.

North Korea's usual response to the 2012 incident, the third time North Korea used GPS jamming against South Korea, was to bomb signal jammers

The 2012 incident was the third time North Korea used GPS jamming against South Korea. A separate jammer targets mobile traffic. The usual response to GPS jamming is to bomb signal jammers

Offenburg Prison began testing signal jammers in August 2019

Offenburg Prison began testing signal jammers in August 2019 after inmates were repeatedly caught carrying mobile phones.

Only state authorities can use cell phone jammers to fight terrorism and crime

The EU prohibits individuals from installing, using, selling and importing such mobile phone jammers; after approval by the Federal Network Agency, only national authorities can use them, for example, to fight terrorism and crime.

Organized gang of five Argentinian and Colombian criminals charged with signal jammer attack

An organized gang of five Argentinian and Colombian criminals has been charged with carrying out the attack. It is distributed over two cars in the parking lot. One of them has a signal jammer.

Other devices accidentally connecting to your speaker may want to consider using a bluetooth signal jammer

If other devices are having problems accidentally connecting to your speakers, you may want to consider using a Bluetooth signal jammer or blocker.

Our life is also inseparable from mobile phones, and signal jammers can solve many problems in your life

Our lives are also inseparable from mobile phones, which threaten our privacy. The signal jammer can solve many problems in your life and provide you with a peaceful and comfortable environment.

Install fixed jammers in secret rooms

Install powerful stationary jammers in rooms where secret messages are often heard.

Interceptors or jammers consist of several basic components

A blocker or jammers consists of several basic components namely microcontroller, integrated link, module and power amplifier.

Signal jammers had a major impact on drones trying to spy

The signal jammers had a major impact on the unmanned U.N. surveillance aircraft that were trying to spy, grounding the fleet for several days and stopping intelligence gathering from the air.

Portable signal jammer has the same functions as any other jammer

The portable cell phone jammer has the same functions as any other mobile network jammer, but in a much smaller size.

This blog post will highlight how to use blocker in vehicles

Jammers have successfully entered all areas of human life, and in this blog post we will place a special emphasis on the use of jammers in vehicles.

The use of blocker can only be an adjunct to other security measures and cannot replace the solution

Signal jammers cannot replace other security measures, and the use of signal jammers can only be an auxiliary means of other security measures, not a substitute for solutions.

Prison jammers are mounted close based on their radius coverage

Prison jammers are mounted close in based on their radius coverage to cover large areas such as prisons.

Signal jammer prevent malicious use wireless communications for illegal activities

Signal jammers can be used in security-sensitive situations where malicious individuals are prevented from using wireless communication devices to engage in illegal activities.

Install signal jammers in the subway to protect yourself from attacks

Signal jammers prevent bombs from being remotely activated. Installing such a device in the subway is to protect yourself from terrorist attacks.

Ordinary people don't make their own signal jammers

The manufacture of signal jammers requires professional technology and equipment, so ordinary people should not make signal jammers by themselves.

Install a cell phone blocker to control the driver's use of the phone

perfectjammer is a professional mobile phone shielding device manufacturer and online seller, providing signal jamming services for our customers, in order to help customers protect privacy and security.

GPS outage stops drones that rely on GPS for navigation

On Dec.5, GPSJam documented limited GPS jamming in Russia—most of the documented jamming occurred in the area around Moscow, where the Kremlin has been tampering with GPS connections for years.

Protect yourself from criminals GPS tracking keeps your movements completely private

Professional equipment generally has their counterparts, GPS tracker counterparts It is GPS jammers, which can block the positioning signal from the tracker and make it useless, so that you don't have to worry about privacy leaks or security concerns.

Use signal blockers increase security during events

Today, companies around the world use signal blockerrs to increase security during events, and educational institutions use them to prevent exam cheating.

The blockers create blind spots so that passengers cannot make calls

Jammers are a problem because they block unlicensed frequencies that are not signal blockers, and jamming unlicensed frequencies is illegal.

Tihar Prison has three jammers that can't block 5G signals

The government is trying to update the signal jammer in Tihar Jail and stop 5G as soon as possible, to eliminate mobile phone smuggling and crime in the prison as soon as possible, and make the prison a place for correctional prisoners, not a place for prisoners to wanton leisure.

Installing WiFi phone blockers in the office improves productivity

Since both radiation and reception are non-directional, this kind of antenna is more convenient to install, and there is no need to consider the antenna installation angle technology of the transmitting point.

Anti recording jammer that makes voice unintelligible

If you also plan to install anti-tapping jammers in your home and office to prevent eavesdropping, you can browse perfectjammer's radio jammer page, where there are different styles of professional anti recording jamming devices to provide you with privacy protection.

Configure an Anti-recording Jammer in your private space

For many people today, weekends and the end of the year tend to be relaxing options, therefore, many people find us perfectjammer Team for help, we will give them the best signal jammer recommendation to let them have a wonderful holiday.

Italian authorities to install cell phone jamming devices across Italian schools

Many schools have to prepare for the exam every year, such as the setting and layout of the classroom, staffing, and how to stabilize the order of the exam room, which makes it more difficult for the school.

What can interfere with gps signals?

Any conductive metal will reflect and absorb incoming and outgoing signals from the equipment and interfere with its operation.

Testing driverless cars for GPS signal jamming

GPS is a key technology in driverless vehicles because it allows them to calculate their location, navigation and time.

Effectively prevent you from being tracked by GPS satellite positioning

Car GPS jammers are very important to some customers.

GPS jammers add layer of protection to people's safety and cars

With the development of science and technology, people have invented many new and useful equipment.

GPS technology used monitor vehicles, objects and even people

If GPS technology is used to monitor vehicles, objects and even people, there are certain regulations and laws.

GPS technology benefits companies today

Using GPS to track people is not always legal.And don't forget: of course, tracking people is a complex topic that can be discussed, because in addition to the benefits it provides, it also involves risks.

People in high-risk jobs use GPS tracking

One way to locate people is with small mobile devices, so-called trackers.

Features of mobile signal blocker GPS jammer specially designed for cars

Do you know why people need a multi-function GPS jammer, just like the mobile GPS LoJack jammer?

The school reasonably installs GSM mobile phone signal shield

Netizens think that, as a school is not the college entrance exam examination site, the installation of mobile phone signal shielding device is not very reasonable

GSM signal suppressor disables various talking devices

Customs organizations, law enforcement agencies and correctional facilities actively use jammers in their work.

Federal Correctional Institution Tests GSM Micro-jamming Technology

Interference technology has evolved, and prisoners' efforts to smuggle equipment are also evolving.

Keep your phone away from 900MHz/1800MHz, CDMA 800MHz and PHS 1900MHz frequency ranges

Whether the phone is locked or not has nothing to do with whether the phone is smart or not.

There are traps in the power bank and GPS trackers are hidden inside

Everyone's every move comes with all kinds of distractions.

How On-board to Find out Vehicle Mounted Locator

It's one thing to have a hunch that someone has placed a hidden GPS tracking device on your vehicle, but finding a GPS tracker is a whole different thing!

Suspect that there is GPS positioning on the vehicle and the GPS shield is used

The GPS positioning blocker can block the GPS satellite signal, so that the data cannot be uploaded to the platform, so that the device cannot be used normally when offline.

Jammers generate fixed frequency bands to jam the signal

A professional jammer that jams signals from GPS tracking and cell phone calls and provides you with quiet, private peace and time.

Turn off the signal jammer power and all targets in the area will resume work

With the development of wireless communication technology, a series of serious privacy leakage problems have emerged, especially in the use of mobile phones.

Most strong signal jammers are fixed or tabletop designs

Most of the strong signal jammers for jamming 2G 3G 4G cell phones, GPS, and WiFi are fixed or tabletop designs which are actually inconvenient, if we need to take it somewhere.

Jammer blocks GPS and cell phone signals and turn it on when other passengers are talking loudly

It seems that someone is talking loudly on their phone and showing little manners to those around them has been a common problem on buses.

We love cell phones, but you may not know we also need cell phone GPS jammers

The principle of operation of the signal booster is to amplify the existing signal, but when the cellular signal is blocked

Get Rid of Signal Jammer Blocker Problems Once and For All

Southwest Research Institute (SWRI) in Texas has developed a rigorous method to test the sensitivity of driverless cars to GPS deception.

How Real Signal Jammer Cell Phone Blocker Problems Are Solved

In fact, the current position positioning can be roughly divided into two categories

Simple and safe use of jammers

Every day, more and more people worry about defending their privacy.

Explain the function and usage of the GPS jammer

When buying and using a mortgage vehicle, it's a good idea to set up a GPS signal jammer at some stage.

Stop spying on others by learning how to stop GPS tracking

Shields interfering signals or jammers that can be installed in your car to prevent being tracked.

Block GPS tracking on your phone

GPS tracking is great for tracking your loved ones, but what happens when your loved ones aren't being tracked?

Ways to interfere with GPS tracking on iPhone

The iPhone is a great tool for keeping track of things.

No stranger knows where I live

You might think that using a GPS jammer in your home will prevent others from knowing where you live or work, but what if there is an emergency?

Output power and shielding range of GPS jammers

Output power is a term you'll see next to almost any jammer, and it's worth it. The more power a device has, the larger the area it can block the signal from running.

GPS interceptors can be used at greater distances

Signals from jammers can interfere with your device's ability to receive satellite signals. GPS receivers use these signals to determine their position in space and time.

Military GPS jammers that interfere with navigation

When the Iraq War broke out in 2003, the Iraqi military caused a sensation when it used a Russian-made GPS signal jamming system to destroy the US-guided weapons system.

Navigation and guidance systems may be disrupted by GPS interference

GPS signal jammers can suppress relatively weak GPS signals. The U.S. Department of Defense has long acknowledged that its navigation and guidance systems could be disrupted by jamming, either by installing weapons and vehicles with backup guidance systems or allowing the military to use old-fashioned methods when GPS is blocked.

Those Hidden GPS Trackers in Mortgage Cars

Now it is very common to take out a loan to buy a car. If you pay a deposit in advance and repay on time, the car will be yours immediately, right?

Influence of GPS signal jammer on aircraft operation

The role of modern aircraft GPS systems is becoming more and more important, and at the same time, there are more and more reports of GPS signal interference, which seriously affects aircraft operation and aviation safety.

Russia blocks U.S.made GPS in Ukraine

Russia is conducting a major jamming operation to prevent Ukraine from acquiring GPS signals. If successful, it would severely limit Ukraine's ability to travel across battlefields and operate modern aviation equipment such as drones.

Verify that the base station causes signal jammers to block

Mobile phones operate at different frequency bands in different countries. For Canada, the 1900 MHz band is the primary band, particularly for urban areas.

How to choose the antenna type for police signal jammer

But jamming remains strictly illegal for state and local agencies. Federal officials barely acknowledge that they use it inside the United States, and the few federal agencies that can jam signals usually must seek a legal waiver first.

Advantages and disadvantages of metal shell signal shielding instrument

Metal shell signal jammer means that the main body of the signal jammer is a metal material, usually an aluminum profile, and the metal material is both the shell and the radiator.

The truth about traffic jams in South Africa

According to the latest news, South Africa is currently a hotspot for car jamming incidents, with criminals familiar with the latest car jamming devices and stealing their belongings or entire vehicles when people least expect it.

Device Jamming and Home Invasion

I hear a lot about people “cutting the cord” stating they are free from their wired line and more disturbing is the fact they brag about this online via social media to the public.

Jammers have lawful consumer use

That GPS tracking devices have been jammed by criminals engaged in nefarious activity including cargo theft and illicit shipping of goods.

On the battlefield, jammers are the protection of soldiers

Some time back a Special Forces soldier was accused of illegally killing an Afghanistan civilian.

Basic Knowledge About Cell Phone Jammers

The article makes it clear that the way this jammer works is via a protocol attack not by an RF blocking attack.

drone jammer can effectively stop "black flying"

drone jammer and other equipment to interfere with and intercept the UAV’s communication signals, forcing the UAV to land and return.

5G Jammers Are Better Than Other Jammers

the advantages of 5G jammers are indeed very many, not only the improvement of equipment performance and stability, but also the whole signal shielding scheme.

Interference Principle Of Mobile Phone Signal Jammer

people have questions about whether the mobile phone signal jammer will affect the Internet access of the laptop computer.

Does Carbon Fiber Block Cell Phone Signal Prevents Conference Content From Leaking

The risk of meeting content being leaked is high and you need the Does Carbon Fiber Block Cell Phone Signal to handle it.

Are There Cell Phone Cases That Block Radiation For Office To Prevent Recording

You can use Are There Cell Phone Cases That Block Radiation as a desktop device in the office or anywhere you need to block recordings.

Do Radiation Blocking Cell Phone Cases Work Protect Your Voice

If a cell phone blocker is needed for voice safety, the sound waves emitted by Do Radiation Blocking Cell Phone Cases Work are only for cell phones.

What Type Of Bag Block Cell Phone Signal Is Related To Environmental Conditions

Whether it is used outdoors or indoors, the effective distance of What Type Of Bag Block Cell Phone Signal has a certain relationship with the environmental conditions at that time.

Aluminum Foil Block Cell Phone Radiation Block Communication Signals

Aluminum Foil Block Cell Phone Radiation, installed where needed to block cell phone signals in specific occasions.

Phone System With Call Blocking And Cell Phones Will Not Affect Candidates

The use of Phone System With Call Blocking And Cell Phones in the examination room can not only play a beautiful role, but also will not cause psychological pressure to candidates.

Block Numbers On Your Cell Phone Sprint Prevents Prisoners From Communicating With The Outside World

In order to prevent prisoners from communicating with the outside world, the prison will also install Block Numbers On Your Cell Phone Sprint to cut off communication with the outside world.

Block Google Voice Calls On Cell Phone Blocking Distance

Outdoor Block Google Voice Calls On Cell Phone have a wide range and shielding distances of up to several hundred meters.

Block A Cell Phone Number Android Restricts Cell Phone Signal

The current Block A Cell Phone Number Android on the market can limit the mobile phone signal to 500M meters away from the transmitter.

Block My Outgoing Number Verizon Cell Phone Creates A Level Playing Field

Faced with the problems brought by mobile phones, we can use Block My Outgoing Number Verizon Cell Phone to solve them.

Block Unknown Numbers On A Cell Phone Prevents Cheating

Some test centers will notify candidates in advance to let them know that Block Unknown Numbers On A Cell Phone is installed in the test room, so be careful.

Will Cell Phone Call Back Blocked Number Affect The Base Station Signal?

Everyone is worried that the Cell Phone Call Back Blocked Number will not affect the base station signal and the mobile phone signals of surrounding residents.

Can Someone Block Your Cell Phone Signal Prevents Conversations From Being Recorded

No one thinks it's Can Someone Block Your Cell Phone Signal when we carry it around or put it in a conference room - it's handy for us to prevent someone from recording the content of the entire conversation.

Does Rfid Blocking Interfere With Cell Phone Protect Yourself From Harm

Does Rfid Blocking Interfere With Cell Phone is designed for those who do not want others to know their intentions, but must protect themselves from spy tape recorders.

Block Caller Id Cell Phone Verizon Wireless Protects Conversations

We offer the unprecedented new Block Caller Id Cell Phone Verizon Wireless that secretly effectively protects you from unauthorized recorded conversations.

Uk Cell Phone Jammer Adjustable Radius Prevents Noise

The noise-generating UK Uk Cell Phone Jammer Adjustable Radius has actually been used by companies and people for years and is one of the best ways to keep discussions secret.

Can A Faraday Cage Block Cell Phone Guarantees Fair Exams

In order to ensure the fairness and impartiality of the examination, Can A Faraday Cage Block Cell Phone equipment is installed in the examination room for some major examinations.

Verizon Cell Phone Blocking Unwanted Calls Can'T Meet The Blocking Effect

The low-power Verizon Cell Phone Blocking Unwanted Calls on the market generally cannot achieve the shielding effect, so you need to use a high-power signal blocker.

Devise To Block A Cell Phone From Being Used Makes Communication Disabled

Just use the small Devise To Block A Cell Phone From Being Used and you can achieve great shielding.

Does Cpr Call Blocker Work On Cell Phones Make Up For Omissions

With the breakthrough of communication technology, the Does Cpr Call Blocker Work On Cell Phones of some examination rooms have not been updated in time, resulting in such a big omission.

Cell phone jammers are beginning to be used in factories

We are always fans of mobile phone,we can not live without cell phone ,it is no exaggeration to say that.It is common to see people play phone during the working time.Many factories’ met the problems of industrial accidents,staffs couldn’t protect themselves well when worked with machines.There are plenty of places where it’s actively dangerous to be using a cell phone--but the devices are probably snuck on to warehouse or assembly line floor all the time.

Why we now need buy cell phone blocker in home

Sometimes our home needs cell phone jammer indeed,you know,if kids have great interest in smart phones...Parents can try some parental control and monitoring software if they want,but once kids get the freedom of smart phone with data plan -- parents can monitor only but not control or limit.

Mobile phone signal jamming devices bring us a high quality of life

With the development of society, people’s basic requirement of life such as having enough to eat and wear has been met with and they just want to live a high quality life without so much hustles and bustles. We may always get annoyed about the sudden phone calls in a very quiet condition or the loud phone talk in public traffic vehicles or restaurant. These phenomena are the barriers to create a high quality life and enjoy the modern life as well. Fortunately, with the development of the high technology, the cell phone jammer has been invented to help people to live in a nice and quiet environment

Prisons need powerful signal jammers

What kind of signal jammer do you need in prison? Some might say cell phone jammer, since many inmates use cell phones to secretly communicate with the outside world. Some would say drone jammers, because many prisoners use drones to transport contraband. However, it is not enough to interfere with only one signal, so we need more powerful integrated signal jammers

How can get a super mini mobile phone blocker

Maybe you have known that there is a device which can cut off the signals of mobile phones. May you even can called out the name of it: Signal Jammers. There are various types of cell phone Jammer which have different functions and aim at different consumer .If you want to have a Mini Handheld Mobile Phone which also can be a GPS Signal Jammer then here is a product you can consider of it

School teachers turn to cell phone jammers

With the popularization of smart devices, more and more students are equipped with smart phones, and the school and teachers have a weaker and weaker constraint on students. More and more students do not listen to what the teachers say in class, but log in the social platform with their mobile phones. So many school teachers are turning to a device called a cell phone jammer

In USA how can we buy the best gps jammer

In order to meet people’s needs and there are many kinds of signal jammers. Some jammers are designed to block the signals of the cell phones and some of them are designed to block the signals of the WIFI only. There are also some jammers are produced to cut off the signals of cell phones, WIFI and GPS signals.

Use GPS jammer to eliminate tracking

With the improvement of the GPS positioning system in the United States, related equipment and technology are increasingly developed, including GPS tracking devices. The device used by spies and secret agents is now almost readily available at hardware stores. As a result, in the United States, our privacy and personal security are increasingly insecure.

16A Most GPS WiFi cell phone signal blocker

In the world of jammers, more power means more distance away. As a result, many people prefer to buydevices when buying cell phone jammers. Now, which is the most powerful signal jammer? Let's take a look.

The first military hidden signal jammer was invented

With the signal jamming technology from military to civilian, more and more technical engineering began to develop such products, in recent years, there are many types of signal jamming equipment. Now, for example, the first military signal jammer is on the way

The best wifi cell phone jammers 2018 US

Every year the trend is different, there is always a most popular style, signal jammer is no exception. So what's the most popular cell phone jammer of 2018? Here's how

WG-S8 Desktop Cel Phone WiFi Jammers

Modern people have more and more diversified and convenient demands on tools, and more and more requirements on functions. Therefore, the signal jammer conforms to the requirements of The Times and makes some multifunctional signal jammer devices.

How can we cut off cell signal by jamming device

We can listen to music and surfing on the Internet. We chat or play mobile games with it on hand. It is easy to carry and make our life more colorful. But there are also some opposite views. It hurt our eyes and skins. Some people get variety of health issues after they use it many years. Students would like to cheat at examination with it. And some espionage theft core data at company and so on. Because of these reasons we need to cut off the Mobile Phone signal sometimes.

Cell phone jammers protect property

Now WiFi and bluetooth are frequently used in life, both the wireless network and the Internet need to use them. Although they are very useful, but government agencies or others may use them to steal your privacy. Such as tracking your location and steal your personal privacy through the camera on your phone. Of course, WiFi may pose a threat greater than this. According to research shows that under the WiFi radiation for a long time, may cause harm to the human brain

The world's smallest car GPS signal jammer

Generally speaking, the larger the interference range, the stronger the interference performance, the heavier the jammer device, and it is inconvenient to carry. But the device is an exception. This 8-bands handheld jamming device not only has a good jammer performance, can jamming up to 40 meters; but also has good portability, the device size is only 130mm*80mm*38mm, weight is only 800g. Performance is comparable to desktop jammer in all respects. It's a very good product.

Refuse to be followed by gps signal blockers

Do you want to get rid of the potential tracking system that locate where we are and threat us? Do you have any problem when determine to choose a tracker blocker? Do you feel that you have no good idea about so much powerful and functional jammers? Here comes the chance for you now, just get one of this cheap gps jamemr, you can say no to the tracking system forever.

Place a cell phone jammer in the office area

Why do you plan to install a cell phone jammer in your office area? This is necessary. As a boss or a manager, you’ll find it is a hard task to manage your employees and to improve their working efficiency. They will try all they can to loaf on the job in a way you can’t catch or blame to. For an example, they will go to the bathroom to use it. It will hardly work even if you strictly require your employees not to use their cell phone or put this rule into strict regulations. Thus, not only your company will be considered as not humanized, but also you will lose your kindness in their heart.

Create a quiet and comfortable life by mobile phone blocker

Now the penetration rate of smart phones is very high, which brings us a lot of convenience. Our life has become simple and convenient. Looking round you will find people bow their heads using their phones everywhere, even in subway, bus or the street, not to mention some important situation. In the information age, people just can’t leave without their mobile phones. Some places as the restaurants, classrooms, training centers, factories, banks, trains, bus and other places need to be quiet. However you can’t keep absolute silence, people will use phone unconsciously though they are required not to use mobile phones.

Maximum power handheld jammers are selling like hot cakes

This cell phone jammer has car charger, can used in car directly, 12V DC/AC power supply is also available. With built-in bigger battery, can work more than (2.0+ hours) 120 minutes, can be repeated charging.

The best shield uav anti-jamming equipment

The drone 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.

The latest development of drone jamming gun

This drone jammer is a very portable drone jammer. It has the characteristics of light weight and detachable parts. The device can jamming drone signals at 2.4ghz and 5.8ghz. The jamming range is up to 1000 meters

The most popular military signal jammer goes on sale in 2019

This is one of the best military mobile phone blocker in US. Lightweight, compact and easy to carry. At the same time, it has a very power , which can jamming a very large range. It can be used in most situations. This is a good choice for customers who need more portable and versatile jamming devices.

The latest ultra 16 band signal jammer to be sold

Today we are going to introduce a new type of signal jammer. This cell phone jammer has a very large range to jammer signals, can block all signals within 70 meters, able to meet the needs of the vast majority of situationsa. Suitable for classrooms, auditorium, library, cinema, office space such as a larger place. The jamming signal of this device is very stable and can guarantee the interference effect. This device is arguably the most reliable desktop jamming device of all time.


What is the purpose of using this equipment? In order to maintain a better public environment, of course. Away from the noisy telephone sound, let people more face-to-face communication

Mass use of signal jamming devices in prisons across the United States

As we all know, the criminal is not allowed using the mobile phone in the prison or in the detention center. Actually, there are many prison of all over the world have the problem that is they can’t forbid the mobile was used in the prison totally. There are also a few criminals contact with outside by the mobile phone secretly that they still do some crime. Just like this phenomenon was exist for many years. How to solve this difficult issue, the answer will be have to install one cell phone jammer in the prison.

RF blocker is suitable for school

Why are cell phone jammers used in schools? There's a reason. Because studies have shown that long-term use of mobile phones may affect children's intellectual development as well as their ability to pay attention. Is that why more and more schools are experimenting with interference devices to ban students from using mobile phones

How to choose the right cell phone signal jammer

Many of you are probably familiar with mobile interference devices. Because we are often exposed to this kind of equipment in life, such as library, cinema, church, coffee shop. So if we want to use this device ourselves, how do we choose?

We need cell phone jammers to create a quiet environmente

Looking round you will find people bow their heads using their phones everywhere, even in subway, bus or the street, not to mention some important situation. In the information age, people just can’t leave without their mobile phones. Some places as the restaurants, classrooms, training centers, factories, banks, trains, bus and other places need to be quiet. However you can’t keep absolute silence, people will use phone unconsciously though they are required not to use mobile phones. In these situations, mobile jammer is really of great help to create quiet environment for your life, and this 3 Antenna Mini Handheld 2G 3G Mobile Phone Signal Jammer is suitable for people who want to block the mobile phones signal with portable design.

New GPS jamming devices help people get free

Free no freedom? Have you suffered a lot from being tracked, while have nothing do with it? Here is good news for you. You can use a GPS JammersGPS jammer to help you get free. Now, more and more freedom advocates choose to buy this kind of goods, no one likes to be followed all day. So if you're a liberal, buying one of these devices is your best bet

The GPS jammer effectively prevents tracking by GLONASS satellites

Have you ever been tracked by governmental employees, your competitors or some other people? Maybe a hidden GPS tracking device is installed under your car and your movements is tracked, while you have no idea of that. In this case, your privacy rights and freedom are violated. More and more people now have the suffering experience of being tracked and kept an eye on by the GPS trackers from governmental organizations, law enforcement agencies and huge corporations. Especially for GLONASS has been added to Apply and many other smart phones. Urgently, it is necessary for you to choose one efficiently GPS Jammers that can help you get rid of those annoying tracking device.

Where can we use WiFi jammers

In some places such as conference room, auditoriums, law court, library, exam room, school, cinema, theater, hospital, mobile phones are not allowed to use to avoid loud calls or texting. Since noise can be annoying and cell phone signal will cause interference in some cases. Fortunately, it is easy for WiFi jammer to stop this. Since no service then no work. On one hand, there is a risk that lawbreakers like hackers may steal your document and attack you network via WiFi or Bluetooth. Thus, it is one of the main reasons that why people use the WiFi jammers in many places such as government, military, finance, security, police and command center to help them now. Since these places are rigorous in information protection.

WiFi signal jammer ensures no eavesdropping

Nnever too late to mend. Otherwise, your company will suffer great loss even finish up in failure before you realized. So, as a wise boss or manager, you should consider a wireless video Jammer or wireless audio jammer. Of course, there are now more powerful WiFi jammers. So all you need is the device to stop worrying about being bugged

Use cell phone jammers to maintain order

You know that stealing trade secrets, information or contacts can be very easy in this society. When you are in conference and talk with your customer, the important information will be out at the same time, it may be spread to the internet at once and without leaving the thinking time for you, you know the career of some famous people is destroyed by this way. So you must be a clever man, then how to keep your secrets? Have you ever considered the use of cell phone jammer? This is a helpful friend to keep your secrets there.

Using signal jammers gives us real freedom

How Can This Blockage Be accomplished just with the cell phone jammer? Although different cellular systems process a wide range of different signals, all networks use basic radio signals in a way where they can easily become interrupted. GSM2, the system that is used within digital cellular as well as systems that are based on a foundation of PCS, operate within the 900-MHz as well as 1800 MHz bands located either in Asia or Europe as well as the 1900 MHz band in North America. Based on the principle, the mobile phone signal jammer is designed to block the signal which is sent out from the near base station. So any situation if the usage of mobile phone is not admitted, you need to buy the cell phone signal jammer to keep the order and set your time free

The main reason of the buy signal jammers

Are you eager to live your life with quite slow pace? No pressure on work, no pressure on your daily trifles, and no pressure on what you are worrying about. Just pick up your favorite book and enjoy the story in it, which is the best animation you wish. Is that possible in this fast-paced society? The truth is that you still have to face with different kinds of documents and bear with the nitpicking of your boss. Facing with the computer and deal with the noises of phone calls day and night. Peace is the best gift for you. Now, this cell phone jammeris also the best product for you to get away from the phone rings.

Why aresignal jamming devices needed

If compare our life to a pie, our all emotions to all sorts of stuffing, what do you want to make the most part of the pie if you control the process of making the pie of life? Obviously, the majority of people will add happiness to the pie as many as possible. Be happy now and best buy one cell phone signal jammer to make sure you are. You know usually reality is not run by our mind, during daily life we often meet something leading us upset or even sad. For example, if you are an invigilator and responsible for a very important examination. You get up early and enter into the classroom and start your mission. Everything is going as you want. When you come out and take breath, you will find trouble troubles you now. The mobile phones hidden in dark corner will show on and start to ring, and the examination order will be totally destroyed. You know tthis device will be the hero to save you. Just turn on the button and the phone signals within its effective blocking range will be cut off right now.

GPS signal jamming devices give us a pleasant surprise

You must have known the GPS device, in our daily life; you can see the device can be used in every area. GPS tracking can help you affordably manage your company’s vehicles, protect business and personal property, monitor/locate your assets, even keep a vigilant watch over a teen driver. Thousands of businesses, consumers, government departments and law enforcement agencies choose to apply this tracking device. As the old saying goes, each coin has two sides, some evil people may take usage of the GPS tracking device to do something bad, or eavesdropping the secrets and privacy, or cheating some important information to get more benefits.

GPS signal jammer is the greatest invention of this century

Why is the GPS signal jammer a great invention? Because before that, there was only GPS positioning and tracking in the world, but no counterbalance to the response. Since the advent of such devices, however, people have had a defense against tracking by government agencies and spy agencies. This is undoubtedly very good news for many civilians

Changing our lives through disruptive devices

Compare with the past, people pay more attention to the online news instead of reading magazines. Nowadays mobile phone plays a more and more important and comprehensive role in our life. The cell phone is with incomparable strength completely changed man's life and changed the whole world. The smart phone affects a person's behavior habits, mainly through direct and indirect two roles. You may find that you talk to your children more on the phone than you do face to face. Your children may communicate more with their friends than they do with other family members. Many families may have forgotten how to turn off their cell phones and speak to each other. You know the mobile phone really has changed the whole world, what can change the phone life? Find this one- cell phone jammer will be the best device to help you change the phone lifestyle to a healthier one.

Should we use jamming devices on college campuses

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 jammer is very popular there, that is why you can not get any phone signal when you are in your examination.

Is it possible to use cell phone jammers in Europe

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.

Signal-jamming devices bring people closer together

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. Yes! You can, just use cell phone signal jammer into your cart and turn on the button after receiving it

Signal jamming devices make our lives healthier

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. As for the people who are bored with the continuous phones rings for a long time and really want to have a nice bream and live a more healthy life, getting a cell phone signal jammer and block the unnecessary phone rings is what they most wish to do.

Signal interference exists to protect your privacy

Who leak your information and by what way? You have never thought your personal information is so important before. While after viewing the cheating news on internet or papers, you will find the terrible result of information leaking out. But now the cell phone jammer functions in one will offer you the right way to protect your mobile phone life, avoiding your important personal information been spied and you will not have the chance to be cheated.

Using cell phone jammers makes our lives more perfect

Using cell phone jammers makes our lives more perfect Perfectjammer 2019-08-20 What makes mobile phone calling life difficult is that the process of facing and solving the mobile phone noises problems is a painful one. Just imagine that you are answering the questions on the test carefully, while the desk mates play the cell phones without noticing your expressions. The thought you want is throwing his phone far away. Painful then? Why not to buy one portable cell phone signal jammer to protect your right? Take actions now. Next we talk about GPS Tracking Problems, depending on your nature, cause in us sadness or loneliness or regret or anger or fear because of the hidden secret tracking device. These are un- comfortable feelings, often as painful as any kind of physical pain. Remove your pains right now with a powerful cell phone signal jammer and keep off all the evil thoughts of the hidden enemy.

Use GPS jammers to stay away from being tracked

Talking about GPS tracking function, we are not strange about it now. You know it has been widely used in the vehicles and smart phones nowadays. We cal often see them in some public occasions like school, shopping mall, supermarket, government departments to keep security. You see the GPS tracking device benefits us a lot in our daily life. While everything has two sides, one is good; another one of course is bad relevantly. Based on the tracking function, many people pretend to take use of the GPS tracking device to know others’ secrets or privacy so that they can easily achieve their evil purposes, in such case, you should buy one GPS jammer to protect your privacy and remove the troubles during your career.

Silently guarding our GPS jammer

We always see the celebrities’ glory but always ignore their hard-working. They deserve the honor and people’s respect. If we want to be successful, we must work hard. It is the same with our store. We insist on producing the best quality of jammer device, no matter cell phone signal jammer, wifi jammer or GPS signal jammer. We do great efforts to offer the first class jamming experience, because we do believe that your satisfaction is the most thing we pursue. You know the top swimmer Michael Phillips? In his daily life he had to practice so hard, day after day, year after year. When other people were enjoying the family reunion, he was working hard on the swimming pool and making himself stronger. He is the hero in the heart of our staffs.

GPS jammers give us a lot of surprises

You must have known the GPS device, in our daily life; you can see the device can be used in every area. GPS tracking can help you affordably manage your company’s vehicles, protect business and personal property, monitor/locate your assets, even keep a vigilant watch over a teen driver. Thousands of businesses, consumers, government departments and law enforcement agencies choose to apply this tracking device. As the old saying goes, each coin has two sides, some evil people may take usage of the GPS tracking device to do something bad, or eavesdropping the secrets and privacy, or cheating some important information to get more benefits. It is not right to use the GPS tracking device in this way, so we need to protect our secrets and privacy with one GPS signal jammer.

GPS jammer plays an important role in modern cities

Using this kind of device can make your whereabouts more secure, and it is also very important to keep some confidential places. We use this kind of equipment on many occasions, with the progress of modern technology, more and more places can use this kind of equipment

Use signal jammers to increase focus

Life is full of competitions. When we are at school, we always want to be the most excellent student and win teachers’ praise. When we work, we not only need to compete with our co-workers, but also need to beat other companies for more profit. When we pursue life enjoyment, we always wish to live the most comfortable life style than others. The rivals are everywhere, which help us to be stronger. When today you come to our jammer world www.jammerall.com and refer to defeat the hidden phone GPS signal for more convenience, this portable GPS jammer will be a good rival to help you. In terms of keeping off the GPS tracking and cell phone signal, this portable multifunctional jammer device owns power , and depending on the strength in the given area the jamming range of this jammer can up to 20m at most which is strong enough for personal usage.

Common problems with signal jammers

Mobile phone signal shielding device is mainly used in the examination room, prisons, gas stations, avoid mobile bomb, oil depot and gas station, detention and interrogation room, conference room, the courts, the penal farm, theatres, churches, libraries, school dormitory, special peace and compromised places (confidential office, negotiation rooms, activity vehicle, move political and business leaders guards) field, etc. So in the daily application of mobile phone signal jammer ji big problem, you hit how many?

The role of mobile phone jamming devices in Chinese prisons

The radio management bureau of ji 'an city, China, received the interference complaint from the city telecom company, which reflected that the communication base station along the huangmudang road section of ji 'an north road had the downward signal interference, the network connection rate was low, and the telephone could not be dialed, which caused the user to complain and request the investigation.

Russia has the most advanced GPS jamming weapons

Russia's military electronic equipment has been dubbed the "antique", avionics and radar equipment, in particular, has been a lot of Russian weapons buyer ridicule and sarcasm, but American will recent Israeli airport GPS signal is blocked events "behind the" points to the Russia, the Russian army GPS signal jammer is really so strong?

How does the us face GPS jamming attacks

It is well known that the United States recently sent its own aircraft carrier fleet to the waters near Iran in order to impose sanctions on Iran. In this way, the United States imposed a tight blockade on Iran, aiming to completely cut off Iran's oil trade routes. American cause strong against Iran, Iran will first seek a variety of ways their crude oil ship them out, then the domestic large missiles on the coast, in response to sudden attack in the United States, and also in the sea near "buried" a large number of mines, with a larger foe crackdown in response to the United States.

Why are signal jammers so important

The purpose of a signal jammer is to interrupt a communication link (or network) between two or more "partners" when they try to talk to each other or pass some data between them. Jamming the communication link between uavs and their operators is a special case. We can attempt to jam communications between cellular and base stations, between two tactical radios, between the bomb and the remote control used to activate it, etc.

Russia latest drone jamming gun

Kalashnikov konzian, one of Russia's largest weapons manufacturers, unveiled for the first time a drone jamster designed to shoot down uavs, the rex-1 anti-drone electromagnetic gun, at the army-2017 international military technology BBS in Moscow on Sunday.

Russia will jam all drone signals

The Russian state ministry has announced that drone jammer will be used during the 2018 World Cup in Russia to ensure that nothing happens during the match. Drones can be used in sports competitions. Coaches can learn more information about players' actions through aerial photography in training, so as to conduct targeted guidance and improve the tactical level. Obviously, aerial photography technology, which used to be complicated and extremely expensive, has become very easy after drones came into the consumer domain, bringing us more new perspectives.

Russian signal jammers affect the war

The Russian military has been blocking signals from us drones fighting over Syria, saying it is seriously affecting us military operations, according to four us officials, NBC news reported Thursday.

Airports are struggling to eliminate illegal drones

Changsha, feb 9 (chinadaily) -- a drone jammer has been tested at changsha huanghua international airport, in an effort to eliminate the security risks caused by the black flight. It is reported that after passing the test, the anti-uav system will be put into use in the near future to protect the safe take-off and landing of flights.

What role do cell phone jammers play in the exam room

Former British prime minister Winston Churchill famously said during world war ii, "by fair means or foul, the highest morality is attained." If it were not for the personal practice of journalists and the outspoken inventor, who would have thought that such a high-sounding anti-cheating advanced tool was singing in the red light of health and rights. Admittedly, cheating on the gaokao is a headache and a hassle, but the convenience of regulation at the expense of health and avoiding the law is striking. In order to "eliminate cheating" of the "highest moral" and by hook or by crook, in the context of supervision collective lost voice, by illegal or legal means to urge the world students to abide by the law, which itself is the biggest funny.

Should cell phone jammers be used to prevent cheating?

The college entrance examination has entered the countdown, in the vast number of teachers, students and parents to prepare for the exam at the same time, all over the "cheat pen" "openly listed", and style has been constantly updated and upgraded. Some economists pointed out that: cheating in exams is ostensibly for the sake of scores, but actually behind the scores are more practical interests, revealing a lot of alarming alternative information...

There are several types of cell phone jammers?

There are three kinds of mobile phone signal blockers. The built-in cell phone jammer are cost-effective and cheap.

How to choose the mobile phone jammer

Generally speaking, the school will use a cell phone jammer in one classroom. If some classrooms are close to the signal source, each classroom may consider to add more sets to increase the effect. At the same time to avoid purchasing to some inferior mobile phone signal shielding device, can choose the brand public praise good mobile phone signal shielding device, such as Jin Yu mobile phone signal shielding device, specifically for the examination room they have to use mobile phone signal shielding device, so that it can be a one-off use examination room dedicated machine, all kinds of trouble, also facilitates selective difficult customers.

Regulate the use of mobile phone jammers

On March 7, 2019, radio management agency of dazhou city, sichuan province organized a meeting of "dazhou standard management work on cell phone jammer", which put forward requirements on how to further strengthen the standardized management of mobile phone signal blockers in schools of the city and prevent the occurrence of man-made interference in public communication events. Dazhou economy and information technology bureau party members, deputy director wang jun and other leaders attended the meeting. More than 30 persons attended the meeting, including municipal confidentiality bureau, municipal education bureau, sichuan university of arts and sciences, dazhou no.1 middle school, China mobile, China telecom, China unicom dazhou branch, and economic and information bureau of counties (cities, districts). Dazhou city radio management section chief wang qiang presided over the meeting.

Can cell phone jammers really affect health?

Last year, mobile phone jammers with signal jamming functions were installed in many examination halls as a technical means to prevent cheating by exam administrators in various regions. However, on May 24, an article titled "the founder of mobile phone blockers claims that cell phone jammer are harmful to people" was widely reprinted by the media.

Schools use cell phone jammers in student dormitories

Wuxi meicun high school has installed a mobile phone jammer in the boys' dormitory building in order to prevent students from playing mobile phones in the middle of the night from disturbing their rest. In this regard, there are students applauded, that the school is for their own good; Some students think this is a sign that the school does not trust students, and the signal shield is radioactive, which will bring bad effects on students' health. On this issue, parents are basically unified, that is, agree with the school's approach; As the competent authority, the education bureau is not encouraging this, and it is up to parents to decide whether schools should install cell phone jammer.

Cell phone jammers are used in corporate offices

A few days ago, qingyuan radio management office received a complaint from mobile phone users, which reported that the communication base station located near jiafu industrial park suffered from unknown interference, resulting in two sectors not working normally and affecting the normal communication of a large number of users. The office immediately dispatched radio law enforcement and surveillance personnel to the area to conduct a screening. After testing, it was found that the jamming signal came from the factory of a travel supplies company in jiafu industrial park.

Parents use cell phone jammers

Nowadays, many parents of students around me are keen to buy a blocking device at home to control their children to use mobile phones to surf the Internet. I also want to buy one. A few days ago, the liu gentleman that lives in binhai new area tanggu makes a phone call to say to this newspaper news hot line, his son goes up this year early 3, often play mobile phone in the home, communicated with him a lot of times, but all the time without the effect, because this he wants to buy a cell phone jammer to use will control child mobile phone to get online. "I don't know if it's going to have any impact, so I'm still hesitant." Liu explained to reporters.

Who decides to use cell phone jammers

Students addicted to mobile phones is a big headache for parents and schools. A middle school in hangzhou has come up with a "new solution" : install a mobile phone signal shielding device on campus and turn it on regularly every night to prevent students from playing mobile phones at night. However, in recent days, online voices said that some residents living nearby said that their cellphone signals were not very stable when using them at home, and suspected that the school's cell phone jammer were involved.

Chinese exams use mobile phone jammers

On June 3, Mr. Zhang, who lives near the no. 1 high school affiliated to central China normal university in wuhan, noticed a sudden deterioration in cellphone signals. After the field monitoring by hubei mobile company, it was found that the source of interference came from the signal amplifier illegally installed by residents in a small area near the school, and it is not ruled out that the signal amplifier will be used for cheating activities during the college entrance examination.

Can cell phone jammers block base station signals

We are all familiar with cell phone jammer, but those who have participated in major exams have seen them. They are placed in the doorway of the classroom where the exams are taking place. This is a harmless signal to block the signals. But a lot of times people wonder if it will affect the signal radiation of the base station, so that there is no signal in an area.

Chinese police are equipped with cellphone jammers

China's traffic police departments have adopted all available equipment and unconventional measures to crack down on serious traffic violations, with fewer traffic violations such as drinking and unlicensed traffic. Reporters learned today that in National Day, the eve of the Mid-Autumn festival, in order to prevent drunken, undocumented and other illegal ACTS rebound, the city traffic police department increased equipment investment, "cell phone jammer" on stage, the city directly under the five brigade will hold new weapons to human interference to say "no".

Mobile phone jammers were used in chess games

In the national chess individual competition site, reporters inadvertently found three gray instruments. Come close to observe, it is examination room professional mobile phone signal shield. Mobile phone signal blockers were installed two days ago to prevent players from cheating, organizers said. Chess games should also guard against "Lao qian", which sounds funny and annoying.

Should universities use cell phone jammers?

Classroom signal shielding device installed, as long as the teacher pressed the button, all mobile phone change board brick. The teacher's mastery of this technology will undoubtedly make students "shudder".

Drone killers signal jammer

Two pieces of anti-drone news have been circulating on the Internet recently. One is that the UK has developed an anti-drone System called AUDS(anti-uav Defence System), and the other is that researchers at the Korea institute for advanced research in science and technology (KAIST) have used sound waves to jam the drone's airborne gyroscope. As a matter of fact, with the popularity of micro and small drones, how to regulate them has become a headache for government agencies around the world. Drones have caused numerous troubles around the world. The White House, the Japanese imperial palace and the 101 building have become targets of drone intrusion.

China is ahead of the US in drone jamming technology

According to the PLA daily on October 29, a ministry of the xinjiang military region demonstrated a new type of anti-uav equipment -- electromagnetic interference ray gun during a practical exercise. On October 19, an unmanned reconnaissance drone flew into the air and circled at an altitude of about 300 meters, the report said. Real-time high-definition footage from the drone was shown on a large screen at the command post, with fist-sized rocks visible on the ground.

Iran's advanced laser drone jammer

The drone jammer, Siraf, was built by cadets at the Isfahan artillery academy. According to the instructions, the drone will have a working radius of 100 kilometers and will be equipped with instruments (including "laser" instruments) that will interfere with enemy uav observation systems.

Uav jammer protection system accepted

It is reported that Perfectjammer recently launched DroneSentry and DroneSentinel two sets of drone signal jammer, and has begun to accept orders, will soon be deployed in the United States.

How to use GPS jammers to prevent car theft

With the development of economy and society, mortgage car has become a kind of automobile consumption. The original owners because of the need for money on the cheap mortgage of their own luxury cars, if later still fund turnover does not exceed the deadline, will lose the ownership of the vehicle. Mortgage agencies ultimately want money, not real goods, so they sell their cars. As a result, buyers of mortgaged cars have the opportunity to buy luxury cars at lower prices.

Where should we use GPS jammers?

Vehicle GPS signal jammer are important to some customers. For example, the mortgaging car company temporarily gains the control of the car after releasing the money to the original owner. In order to prevent the car from being secretly taken away by the original owner, such company will buy GPS shielding device and install it in the parking lot where the car is stored, so that the original owner cannot locate the car and thus protect the property safety.

How to judge the quality of signal jammer

Now some product appearance is very similar, but the quality of each are not identical, in the process of buying a GPS signal jammer, can truly have the right method, and then judge the quality of the product, on this basis, the complete purchase work, based on this for us, but some people in the process of buying, they are not entirely clear, want how to judge the quality is ok or not? There are many different ways to do the same thing, and when you understand it correctly, you will naturally get the desired result.

Can jamming beidou navigation system?

With the second-hand car and mortgage car business becoming more and more common in economic activities, in order to protect their own vehicle property safety, car buyers and car sellers have begun to realize the importance of GPS signal locator and its opposite GPS signal jammer.

Can phone jammers block 5.8g WiFi?

First, we need to know what 5.8g WiFi is. 5G VIFI frequency the lower the frequency, the better through the wall; The higher the frequency, the faster the speed. 5.8g WiFi works at a high frequency of 5000MHZ, which supports fewer terminals. 2.4g WiFi works at 2400MHZ frequency, which is supported by earlier WiFi frequency terminals. Although the WiFi chip of mobile phones supports dual-frequency operation (2.4ghz and 5GHz) before, the protocol adopted is still 802.11n standard, and the latest 802.11ac standard is not adopted, which is not 5G WiFi in the real sense. It can be simply regarded as using 802.11n WiFi on 5.8g frequency band, and the performance is somewhat discounted.

What signals can cell phone jammers currently jam

Currently, cell phone jammer on the market are all in the full spectrum, and one can block 3G, 4G WiFi and GPS Lojack. It can effectively shield: CDMA: 867-885 MHz, GSM: 923-964mhz, DCS/4G: 1803-1994 MHz, 3G (unicom/telecom) : 2109-2175 MHz, mobile 3G: 2395-2487 MHz, 4G1: 2298-2406 MHz, 4G2: 2547-2650 MHz.

What signals can cell phone jammers currently jam

Currently, cell phone jammer on the market are all in the full spectrum, and one can block 3G, 4G WiFi and GPS Lojack. It can effectively shield: CDMA: 867-885 MHz, GSM: 923-964mhz, DCS/4G: 1803-1994 MHz, 3G (unicom/telecom) : 2109-2175 MHz, mobile 3G: 2395-2487 MHz, 4G1: 2298-2406 MHz, 4G2: 2547-2650 MHz.

Need install cell phone jammers in prisons

With the continuous development of mobile phone this mobile communication tools and popularization, improving continuously the personal mobile communications technology, especially the 2 g, 3 g, 4 g, 5 g technology promotion and application of the step by step, like prison, reeducation-through-labor centers, detention and rehabilitation centers, school examination room, meeting room, church forces, military area commands and similar areas is more and more prominent, the negative effect in the prison, detention and other places of regulation, cell phone mobile communications tools were banned, not only for the prisoner, so should to regulators. Once the mobile phone is brought into the prison and put into use, it will bring great harm to the management, safety and development of the prison. Some prisoners through illegal smuggling mobile phones in prison, phone calls, text messaging, access to materials and threatened witnesses, to the state confidential information leakage, the use of mobile phones for illegal trade, transfer confidential information with the outside world even form a gang and organizations such as prison break, etc., and because of that, in drug prison jail the labor camps and other places to install cell phone jammer

When will 5G signal jammers come on the market

It depends on the speed at which 5G mobile signals become ubiquitous. Although small-scale 5G trials have been launched in several regions, and the first 5G phone card was given to SOHO chairman pan shiyi by China telecom the other day, with the last number 0001, because of the partnership between the two companies, it is far from widespread commercial use.

How get the most out of a signal jammer

For better shielding effect, cell phone jammer can also be placed on a chair or table with a distance of 1.5-2 meters from the ground. Of course, it can also be placed on the ground directly, depending on the local wireless signal strength, or it can be placed in front of the classroom, to better protect the shielding effect.

Schools use signal jammers to prevent cheating

In Russia. School teachers in Russia began to clamp down when they noticed surreptitious pupils using their smartphones to look up answers and prompts during the tests. In a major crackdown, Rosobrnadzor, a telecommunications business, advised schools to use metal detectors at exam entrances and, if possible, cell phone jammer in exam halls to ban phones and tablets from classrooms. Some people think that teaching children not to use mobile phones in class is just a matter of teaching them respect. But what should children think when they see their parents using them at the dinner table, walking down the street or even driving?

Cell phone jammers can cause damage to the phone?

Mobile phones and base stations are connected by radio waves. Cell phone jammer scan from the low frequency of the channel to the high frequency in the working process. This scanning speed can form garble codes in the message signals received by mobile phones. Mobile phone performance for search network, no signal, no service system and other phenomena.

Where are cell phone jammers appropriate?

In many situations in our lives, such as examination, meetings, etc., using a mobile phone is very inappropriate, this time in addition to early mobile phones confiscated, can use cell phone jammer, will be within the scope of the particular occasion, wi-fi signal shielding the signal, not the mobile phone signals, access to the Internet, we wouldn't go to play mobile phone, it's very good reach the expected effect.

Cell phone jammers don't affect health

The cell phone jammer power is very small, the scope of action is only 20 or 30 meters, will not cause interference to the mobile phone base station, and the application in a specific situation, can not talk about endangering the public information security. The electromagnetic signal frequency it sends completely falls within the working frequency band of mobile phone stipulated by the country, and this signal is always in a relatively static and constant state, so the regular mobile phone signal shielding device will not have an impact on any other electronic devices, nor will it interfere with people's brain and affect people's normal thinking.

High-tech cheating and signal jammers

As we all know, with the progress of science and technology, high-tech cheating methods emerge in endlessly. However, with the attention of educational institutions,cell phone jammer are gradually introduced as countermeasures.

Mobile phone jammers protect school learning ethos

With the progress of science and technology, mankind has entered an age of explosion of science and technology and information. Mobile phone has become an indispensable communication tool between people. First, QQ, which is mainly based on chat, appeared, enabling people to get to know strangers thousands of kilometers away. Later, WeChat came out. It can be said that science and technology makes the upgrading of numerous electronic products more frequent, and the powerful functions make people more and more dependent on electronic products. Teachers also use APP software to assign homework for students, and various live broadcast platforms, game software, social software and so on on mobile phones.

Prison large range cell phone jamming devices

Nowadays, although the rapid development of wireless communication greatly facilitates people's life all over the world, it is also abused by criminals, which has seriously endangered people's life safety and law enforcement justice. In prisons, inmates can use mobile phones to direct outside associates from their restricted cells to continue illegal activities. Behind the scenes, they plan to exonerate, command silence, and even contact outside accomplices to carry out prison riots and escape. The perfect solution to this problem already exists -- a high-powered cell phone jammer designed for prisons and larger Settings.mobile phone signal shielding device can completely eliminate the possibility of prison inmates using mobile phones to communicate.

Can cell phone jammers block texting and Internet access

Strictly speaking, no. The cell phone jammer installed in the examination room can completely screen the mobile phone signal from the performance or point density, making the mobile phone in the state of no signal, so that the mobile phone is not able to send and receive text messages and Internet access. Some venues deliberately didn't block operators' 2G spectrum, which allows voice, text and Internet access, for special needs. However, now operators are making great efforts to develop 3G and 4G networks, and 2G networks only take on voice and short messages. For example, China mobile will switch back to 2G frequency band for communication when making voice calls without opening VOL call function. Now it is very, very slow to surf the Internet with 2G.

The maximum jamming distance of signal jamme

Is there really a shield of 10,000 square meters of cell phone jammer, the answer is certainly possible, theoretically shielding the shielding distance can be infinite. Theoretically, as long as the jammer is large enough, the interference distance can be infinitely large. So as long as the laboratory level of large jamming equipment, theoretically can reach a distance of 1000 meters

Can schools legally install cell phone jammers?

Recently, a netizen revealed that a university has installed cell phone jammer and mobile phone shielding bags in the classroom. The netizen expressed his dissatisfaction with the university and pointed out that such strengthening measures are not reasonable. On the afternoon of September 17, a reporter from the local daily learned from the school that the reason why the school installed the mobile phone signal blocking device in the classroom is to build the examination room for graduate students, and the purpose of setting the mobile phone shielding bag is to enhance the teaching construction and improve the classroom order and supervision.

How to install mobile phone jammer

In the field of mobile communication, a cell phone jammer is a device that blocks transmission by generating jamming signals. Mobile phone signal blockers emit signals in the same frequency range as mobile phones, and within the range of mobile phone signal blockers, mobile phone users may lose their signal. Cell phone signal blockers are usually undetectable, and users may experience minimal effects, such as poor reception. Jamming devices can be used anywhere, but are often deployed in places where cell phone use can be disruptive, such as in libraries and restaurants.

Signal jammer price and power

First, let's popularize the relationship between price and power. Cell phone jammers are divided into low power, medium power and .

What is the shielding range of mobile phone jammers?

The power of the machine itself. Now on the market, many machines are said to be 5W, the actual power is less than 1W. So, it has to be actual power. For small power machines within 1W, the shielding distance is about 1-10 meters, and the shielding range is 10-30 square meters. Remember, these cell phone jammer don't go through walls.

How to prevent the spy device with Jamming equipment?

Hello, we have known your situation. First you need to know how a spy device works and how it works in frequency. The device usually USES low frequency radio signals and mobile communication signals

How to use the uav jammer to maintain order?

Hello, our team of experts have discussed your idea. Have to say that your idea is very interesting, and has certain feasibility. First of all, the chaos of the unmanned aerial vehicle (uav) market does need to governance.

Can I stop the government surveillance drones?

Hi, my friend. We have learned that you. It seems you are facing government surveillance. Now with the mature of unmanned aerial vehicle (uav) technology, the government gradually reduce human input, start using unmanned aerial vehicle (uav) tour of the city

How long our 4G jammer will work

As far as we know, 5G is still in the trial operation stage. There is still a long way to go. It is expected to take at least another 3-5 years for 5G to become fully ubiquitous. And even if 5G comes out, 4G won't be phased out. So 4G cell phone jammer could be around for a long time. So 4G jammers should still last a long time

How to buy a 5G signal mobile phone blocker?

As we all know, 5G will be popularized by 2020 at the latest. So, this could mean that all 4G jammers may be about to fail. Therefore, more and more people are eager to get 5G cell phone jammer. Because 5G jammers can jam 5G,4G,3G,2G signals. So, even with the popularity of 5G networks, the device will still work. That's why more and more people are asking where they can buy them.

Cell phone jammers prevent children myopia

Being tracked by a GPS tracker sounds like a movie. But it does happen in our daily lives. GPS trackers are getting easier to buy in North America. Every day, we are followed without being aware of it. As a result, more and more people are seeking solutions. Until the GPS jammer came along.

How to anti-detective GPS tracker

Being tracked by a GPS tracker sounds like a movie. But it does happen in our daily lives. GPS trackers are getting easier to buy in North America. Every day, we are followed without being aware of it. As a result, more and more people are seeking solutions. Until the GPS jammer came along.

5G jammers are on the horizon

Since huawei proposed to study 5G technology, the door of 5G information and communication era has been opened. As the research progresses, huawei is about to release its first 5G mobile phone in 2019. And China has begun to experiment with the actual use of 5G signals. It is expected that China will have achieved 5G signal network coverage by 2020.

Cell phone jammers protect drivers

The safety of driving has always been a very important issue in the United States. Every year, 5,000 accidents are caused by drivers using mobile phones while driving. But, no doubt, you can't stop young people from using mobile phones. This is undoubtedly a very big problem for traffic safety. You can't imagine how dangerous it is for young people to talk on the phone while driving. But many people are unaware of these problems before they become dangerous. That's why we need some equipment to drive safely.

Why we need gps jammer for women?

Why the need? That's because GPS tracking has become increasingly rampant. As you can imagine, as GPS technology is becoming more sophisticated, GPS tracking technology is becoming more sophisticated. Although this technology makes our lives more convenient, it is a great threat to women. Why do you say that? Because GPS tracking devices are now very easy to buy.

How to fight against illegal mobile phone

It is reported that the United States a prison warden said need more tools to fight against criminals. According to statistics, 2018-2019, caused by cell phones and uavs to smuggle illegal crime as many as 5000. But detention centers can't do much about these crimes. It's hard for you to catch offenders in prison cell phone use. Not to mention drones that are constantly in the air.

The Most Popular Cell Phone Jammer in US

As for the most popular cell phone jammer in North America in 2018, you might think of all kinds of jammer. But when it comes to the most sold jammer, we have to mention EO-08-007 from perfectjammer. According to incomplete statistics, perfectjammer sold more than 100,000 units of this device in 2018. As far as I know, other products are far less than half of the sales volume of this product. Which is why I think this is the most popular jammer product of 2018. Let's take a look at the features of this product

Maximum jamming distance of jammer

The maximum jamming range of the jammer is increasing all the time. Generally speaking, there are two jamming distances at present, namely, mobile phone jammers and uav jammers. Undoubtedly, the jamming distance of the uav jammer will be much larger than that of the mobile phone jammer

Evaluation for cell phone jammer

With the development of communication technology, mobile phone has become an essential tool in our daily work and life. But the wide application of mobile phone also brought about vital problems. For example, as a new noise pollution source, mobile phone interferes with your normal working order; as a new insecure factor, mobile phone brings hidden unsafe troubles to some places such as oil station, gas filled station, etc.

Reasons to use a cell phone jammer

As our life becomes more and more intelligent. We can't live without smart devices any more. And more and more people rely on electronic devices. For example, many people keep looking at their smartphones at work. And many students use it. It is conceivable that students can cheat with their mobile phones. People at work can use their mobile phones to be lazy.

Why we need use a GPS jammer?

GPS jamming is increasingly common. It’s of particular concern for maritime authorities, as ships rely on GPS for accurate positioning information. So it’s been much studied; in 2014, a Master’s-degree thesis on jamming in the high north was published (urther reading), and GPS World, a professional journal, has devoted several articles to GPS jamming, including the one described here.

Signal Jammer Information

Perfectjammer is the most professional jammer information website. We have collected information on signal shielding devices in different frequency bands, just to give users a more detailed and professional information platform.