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CDMA

CDMA Informations List

Mobile phone jammers with external antennas are usually cheaper

A conference room with a relatively small area is a conference room that can choose an external antenna. This kind of mobile phone jammer with an external antenna is often cheaper and relatively economical.

2022/10/11

Buying a cell phone jammer is very easy

I believe you have done a thorough study before buying digital products. The study will take a few days, but it's definitely worth it.Finally, you can have the perfect portable GPS jammers to suit your budget and needs.

2022/09/06

About long-term use of GPS jammers

The development of the GPS satellite system brings great convenience to users, but at the same time, there are some inconveniences such as leakage of privacy.

2022/09/05

A handheld GPS signal jammer is a multifunctional jamming device

GPS tracking devices are widely used in children's smartwatches, vehicles, and other fields. With the GPS tracking device installed on the vehicle, you can easily track the location of the vehicle.

2022/08/23

Mobile signal jammers can be installed along national borders

The spillover of Indian mobile phone signals across the international border is facilitating communication between terrorists and the service providers have failed to ensure that the signal is rendered unusable within 500 metres of the border, a report by the Intelligence bureau has said.

2022/08/05

Verify that the base station causes signal jammers to block

Middle East, Africa, Asia and Oceania also use these frequency bands. In Russia and some other countries, local carriers have licenses for 450 MHz frequency to provide CDMA coverage.

2022/08/02

Ideas for making an anti-jamming GPS tracker

Clearly, the jammer is a thing to interfere with the function of GPS tracker and eventually terminate the GPS tracker.

2022/07/22

License Plate Radar Jammer Prevents Meeting Content From Leaking

In order not to be interrupted by the sudden ringing of the mobile phone during the meeting, or for the participants to concentrate on listening to the meeting content, and to prevent the meeting content from being leaked, it is a very wise choice to use a conference room signal blocking device.

2022/06/21

Company Block Voice Recorder On Cell Phone Guarantees Discipline

There are many key places to prohibit the use of mobile phones, such as trade secret enterprises, key conference halls, government departments, and key enterprises and other industries where key information must be strictly maintained.

2022/06/15

Call Blocking For Att Cell Phone Cuts Off Various Mobile Phone Frequency Bands

If you are constantly worried that someone will secretly take pictures of you or your family, or you just need to make sure you are not disturbed by some unknown mobile phone tracking device and mobile phone in a secret meeting, there are some distraction devices you can use as your ideal s Choice.

2022/06/11

Block Incoming Calls To Cell Phone Verizon Blocks Signal

In this information age, high technology is developing more and more, and mobile phones are constantly being upgraded, and their functions are becoming more and more powerful.

2022/05/19

Att Cell Phone Spam Blocker Is A High Tech Product

There are several points to pay attention to when choosing a mobile phone jammer in the standardized test room.

2022/05/13

Blocking Phone Calls From Cell Phone And Material Related

The annual college entrance examination day is coming, and many school examination rooms are carrying out intensive preparations to prevent candidates from cheating.

2022/05/10

Does Chilis Restaurant Block Cell Phones Prevent Unfair Incidents

Don't be afraid if you encounter cheating on your mobile phone, there is already an exam room Does Chilis Restaurant Block Cell Phones , which can effectively prevent such unfair things from happening.

2022/05/09

Best Free Robo Call Blocker For Cell Phones Prevent Students From Cheating

Use the test room type Best Free Robo Call Blocker For Cell Phones to prevent candidates from cheating In the past few years, many schools have experienced students cheating in the college entrance examination.

2022/05/05

Blocking Apps From Tmobile Cell Phone Avoid Mass Fraud

A Blocking Apps From Tmobile Cell Phone with signal jamming effect will be installed and applied in many regions across the country in the examination halls for the high school and college entrance examinations.

2022/04/28

Blocking Private Calls On Verizon Cell Phone Cut Off Communication Between Phones

Common Blocking Private Calls On Verizon Cell Phone in the market, its operating frequency is: 869~894MHz; 825~960MHz; 1805~1870MHz, 1900~1990MHz, etc.

2022/04/04

Can Google Ad Block Work On Cell Phone In Good Working Condition

The name of the 40-50 desktop mobile phone signal jammer introduced here is "high-power 5-antenna mobile phone signal jammer".

2022/03/28

Cell Phone Jammer Detection App Can Block Multiple Signal Bands

The high-performance mobile phone signal jammer is designed to simultaneously intercept CDMA GSM DCS PCS 3G signals. Due to the use of four antennas, the interference radius can reach 30m.

2021/07/18

The Best Cell Phone Jammer App Can Meet Different Types Of Frequencies

If the signal jammer wants to maintain a good shielding effect for a long time, it needs to be continuously upgraded to meet the needs of the development of new communication technologies.

2021/06/27

How To Defeat A Cell Phone Jammer Stop Disrupting Internet Communications

Many of these technology companies have tools that allow the government to easily hack personal mobile phones and computers, as well as powerful How To Defeat A Cell Phone Jammer , which can record all active Internet communications across the country.

2021/06/07

Cell Phone Signal Jammer Blocker Device Attracts Attention

Mobile communication is an advanced generation. The signal called 4G will become more and more popular. Such signals include high data rates and improved voice communication quality.

2021/06/03

Non-Cellular Communications Can Be Shielded Using Cell Phone Jammers

Portable cell phone jammer, also known as signal scrambling blockers, provide the best solution in areas where cellular communications are generally unpopular.

2021/04/28

Mainstream Product 4g Mobile Phone Jammer

Mobile phone jammers refer to electronic devices used to send or send electronic jamming signals, which can be used to interfere with or deceive enemy electronic devices, thereby reducing or even invalidating their effectiveness.

2021/04/28

Mobile Phones Cause Visual Fatigue We Can Use Mobile Phone Jammers

In real life, they don't care. They only care about their own moments and don't think about too many consequences. They don't believe this will have much impact.

2021/04/26

Malicious Applications Can Use Cell Phone Jammers

3G is a symbol of 3G mobile communication technology, and 3G mobile communication technology is a cellular mobile communication technology that supports high-speed data transmission.

2021/04/25

Internet Scams Can Use Cell Phone Jammers

In the Internet age, wireless networks are undoubtedly familiar to us. This is a very important type of network in our lives and work.

2021/04/20

How Much Influence Does Environmental Conditions Have On Mobile Phone Jammers

In the examination, in order to ensure the level of the examination room and prevent electronic cheating, the state stipulates that mobile jammers must be used during the college entrance examination, postgraduate examination, and English four and six levels, so as to create a level playing field for candidates.

2021/04/14

Cell Phone Jammers Can Be Used To Cut Off Communication With The Outside World

Mobile phone jammers are one of the essential equipment for examination rooms, prisons, gas stations and other places. It can prevent mobile phones within a certain range from receiving signals.

2021/04/13

The Radio Can Be Protected By Cell Phone Jammers

Using multi-band and multi-band mobile phones to test the protection effect of mobile phone jammers in the field is the most convenient, most convenient and most feasible test method.

2021/04/01

Range Size Is Very Important For Mobile Phone Jammers

The results of the exam should be fair to all those who take the exam. In fact, in the past period of time, it is not easy to ensure this situation, because more and more people use mobile phones to forward responses.

2021/03/29

Illegal Tracking Can Be Blocked With Cell Phone Jammers

To avoid excessive cell phone sound, you will need a cell phone jammer. This is a new product-CDMA DCS PCS GSM 3G 4G WiFi signal jammer.

2021/03/26

U.S. Federal Communications Commission Sanctions Mobile Phone Jammers

An American school deployed a cell phone jammer to prevent cell phones from getting into trouble after being suspended in class.

2021/03/21

Trade Secrets Need Cell Phone Jammer Protection

You already know the importance of jammers and mobile signal settings in high school exams. We should pay more attention to the widespread application of mobile cell phone jammer in other fields.

2021/03/06

Need To Use Cell Phone Jammers Frequently During The Exam

High school will be the most important moment in our lives. Because of this critical period, we can get tickets to enter the university. We must learn knowledge.

2021/03/05

Wireless Signals Can Be Shielded By Mobile Phone Jammers

We have the latest desktop remote control mobile cell phone jammer, which can remotely control the jammer without being found. The device can be fully charged for a long time.

2021/03/01

Will Mega Cell Phone Jammers Affect The Indoor Environment?

Afraid of incomplete shielding? The signal environment is complicated, afraid of not having enough budget? Afraid of being destroyed, the machine life is short?

2021/01/23

What Are The Advantages Of Mobile Jammers

In the last few years, various types of cell phone jammer have emerged in endlessly, making us dizzy and dazzling, but in fact not all products are suitable for us to apply to us, some products are public, so It is not suitable for us to use in other fields.

2021/01/21

What Is The Effect Of Shielding 5G cell phone jammer?

5 years have passed since the 4G signal was launched in 2014. The times are advancing, communication technology is developing, and the commercialization of 5G is getting closer.

2021/01/20

More Privacy Requires The Use Of GSM/GPS Signal Jammers

Under normal circumstances, we recommend that you use a general-purpose GSM/GPS signal jammer, but as long as you need to use a mobile phone, it will not work.

2020/11/29

Cellular Phones Are The Same As Jammers That Prevent Radio Communications

Mobile phones use unique frequencies for calls and listening. Most cell phone jammers will block either of these two frequencies, thereby indirectly providing a preventive effect on these two frequencies.

2020/10/15

A Real Cell Phone Jammer Can Cut Off Any Signal Tracking

Mobile phones have become an indispensable part of modern life. It is no longer a need, but a necessity.

2020/10/15

How To Maintain A Good Attitude In The Phone Life Mobile Phone Jammer Teaches You

When the phone rings untimely while watching a movie or listening to a concert, will it quickly make people remember it? In any case, this is the hope of Industry Secretary Patrick Dwydd.

2020/10/13

Cell Phone Signals Are Slowly Blocked By Jammers

The method is as follows: Prepare a mobile phone with multiple frequency bands, including: China Mobile, China Unicom, China Telecom, 3G (very good there are three types of 3G: China Mobile TD-SCDMA, China Unicom CDMA2000, China Telecom WCDMA), 4G, and then turn on the mobile phone signal jammer , Hold each mobile phone and test the effective shielding radius of the jammer from near to far from the mobile cell phone jammer installation position.

2020/09/24

The Transmission Of Radio Waves Can Be Interrupted By Mobile Phone Jammers

This can seriously interfere with the communication between the sender and receiver. Effectively block signal transmission including 3G, CDMA, GSM and PHS.

2020/09/17

Buying Jammers Online Has Become A Trend

Make mobile phones (including PHS-PHS GSM-China Unicom, China Mobile, CDMA-China Telecom) invalid in this space.

2020/08/22

Effective Jammer Blocks The Communication Between Various Walkie-Talkie Signals

It is understood that mobile phone signal jammers on the market can limit mobile phone signals that are 500M meters away from the transmitting station and have a radius of >20 meters.

2020/08/22

Interfering equipment should be judged according to the local environment and actual conditions

Effectively interfere with CDMA (China Telecom), GSM (China Mobile, China Unicom), SCDMA (Netcom Great Smart), DCS (1800MHz), PCS (1900MHz), PHS (Telecom PHS), 3G mobile phone signals, WIFi and 4G mobile phone signals Wait for all communication signals.

2020/08/22

Interfering Equipment Uses Baud Rate And Modulation To Complete Data And Sound Transmission

Mobile phone jammer is a kind of interference signal device, which can effectively interfere with CDMA (China Telecom), GSM (China Mobile, China Unicom), SCDMA (Netcom Da Lingtong), DCS (1800MHz), PCS (1900MHz), PHS (Telecom PHS) ), all communication signals such as 3G mobile phone signal, WIFi and 4G mobile phone signal.

2020/08/22

Where We will Use GPS Signal Jammers In USA

Of course not :) If cell phone jammer can successfully block GSM and 3G signals then it will block all types of mobile phones using those signals, and all mobile standards working using them too (like DCS, PHS, CDMA, and so on)

2019/11/12

To Creat Quiet Living Environment Use Cell Phone Jammer

It can block all cell phone signal(GSM/CDMA, 3G, 4G, 4G LTE), Lojack, GPS, WiFi, Walkie-Talkie UHF/VHF and RF signals like 315 MHz, 433 MHz, 868 MHz.

2019/10/23

New Coming To Sale Military Cell Phone Signal Jammers

It can block all cell phone signal(GSM/CDMA, 3G, 4G, 4G LTE), Lojack, GPS, WiFi, Walkie-Talkie UHF/VHF and RF signals like 315 MHz, 433 MHz, 868 MHz.

2019/10/23

Great Invention Cell Signal Blocker

Network signal jammer This product is a transmitter (base station), so it is necessary to shield mobile phones (including GSM, CDMA, DCS, PHS, 3G, 4G) and external interruption areas.

2019/08/20

Why People Want High-Powered Cell Phone Jammers

Are all of China Mobile, China Unicom, Telecom, and CDMA blocked? Still only need to shield some frequency bands.

2019/08/20

Should In Examroom Cell Phone Jammer

Because mobile phones (GSM and CDMA) are digital communication, it has strong anti-interference ability. To forcibly interfere with the communication signals of mobile phones and base stations, it is necessary to useand wide channel noise signals, so as to completely cut off the signals between mobile phones and base stations.

2019/07/18

Which Signals Can Be Blocked Cell Phone Jammer

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.

2019/07/15

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.