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Cheap Portable Cell Phone Jammers For Sale

Professional cell phone jammer, also known as cell phone blockers or Cell Mobile Scrambler, are devices that disrupt radio connections such as cell phone networks, 3G, 4G or 5G by emitting radio waves. The range is between 10 and 40 meters. The military and government even have models that can interfere with radio signals for miles.

There are many potential interested parties for desktop mobile phone blocker. Wherever the use of cell phones is undesirable, such jammers would quickly establish themselves without the ban: schools, churches, cinemas and theaters, but also some companies and employers would like to use cell phone jamming. Shops could prevent customers from carrying out online price comparisons in stores.

high power portable Cell Phone blocker
16 Antenna Hidden Full Band High Power professional cell phone jammer

The latest hidden antenna handheld design 16 bands all-in-one frequencies blocking all cell phone signals, LOJACK GPS, Wi-Fi, RF signals.12 watt high output power, Jamming range 2 to 20 meters (at-75dBm, depends on signal strength in given area).

$739.99 $1139.99

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Hot selling mobile phone signal jammers

Professional GPS Wifi Bluetooth Wireless Video Cell Phone Signal Jammers

gold portable cell phone jammer

The 5-antenna handheld mobile phone signal jammer adopts a golden design, and the interference frequencies include GSM, 3G, GPS, WiFi, Bluetooth, and wireless video.

$235.69 $369.89

Portable Handheld GSM 3G 4G 4GLTE GPS WIFI Cell Phone Blockers

GPS mobile phone jammer

6 antenna portable cell phone jammer Adopt brand-new material, in the point, line, face design reached the best state, perfect modelling makes it very popular.

$309.99 $599.89

Latest Desktop 4G 5G GPS WiFi 2.4G 5.8G Frequency Cell Phone Jammer

4g cell phone jammers for sale

This high-power 10-channel mobile phone signal shielding device has a shielding radius of up to 30 meters and can effectively shield various 2G 3G 4G 5G WIFI signals.

$699.99 $1199.89

High Quality Desktop Mobile Phone Signal Jammers

Highly Recommended Jammer

best mobile phone jammers
8-band wireless portable mobile jammer can intercept WiFi GPS 2G 3G 4G signals

This is a powerful mobile phone jammer, with 8 longer omnidirectional antennas, which can block the signal frequency band of 2G 3g 4g wifi gps lojack, and the interference range is better, up to 25 meters under ideal conditions, built-in fan cooling system, heat dissipation Good, it can last 2.5 hours.


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arm gsm 3g gps portable cell phone jammer
Portable Arm CDMA GSM 3G WIFI2.4G GPS Mobile Phone Jammers

It combines the characteristics of a variety of signal jammers and can block all powerful cellular frequency bands. Its powerful output power reaches 5W, interference frequency range and radius range, can provide you with good privacy for any outdoor activities. And the interference radius can reach 20 meters.


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portable cell phone jammer
Professional cheap mobile phone signal jammer can block GSM 3G signal

It can interfere with CDMA GSM and 3G cellular network signals. It has a strong interference ability, and at the same time, it has a small and light function, which can be used in any place.


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3g 4g cell signal jammer - how to block cell phone signal in my house
Room Hanging Wireless 3G 4G CDMA GSM Signal Jammers

The noble and elegant design makes it look like a photo frame, WF-DJ7 indoor mobile phone jammer, mainly used for indoor mobile phone signal detection and shielding in meeting rooms, churches, residences, theaters, hospitals, troops, press conferences and other places.


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Professional high-power cell phone blocker
8 Bands GSM 3G 4G WIFI Bluetooth Mobile Phone Blockers Waterproof

The all-in-one 8-antenna mobile phone jammer is easy to operate, no need to install and debug, it can work immediately after plugging in the power supply, and it is very convenient to use. Completely waterproof, the interference radius can reach 50 meters.


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Cell Phone Mobile Signal Blocker For Sale

Before we choose a cell phone jammer that we like, we must understand what a cell jammer is. Mobile phones are almost everywhere, not only bring convenience to us, but also bring us a lot of trouble. After all, not all Desktop phone users know when it is appropriate to turn off the phone. Imagine that when you dine quietly, there are noisy calls ringing. When you watch a great movie, suddenly the nearby phone rings. At this time, maybe you need a cell phone signal jammer.Jammers can help avoid mobile phone security threats.

Some tracking devices also use mobile phone signals to steal the privacy of others. This is a big risk to people's normal life. If mobile jammers are used, the signal of the mobile phone band can be easily blocked, and the tracking device will soon losing its functionality, you can protect people's privacy by simply using a mobile signal jammer.

In addition, the security in cell phones, noise problems such as the growing conditions, use the portable device is necessary, cell phone jammers within its scope of work, all these problems will be eliminated. The importance of information security and privacy people's attention, therefore various types of signal jamming device presents the increasing trend, more and more fields need the interference device, the classification of Desktop equipment has powerful functions, sales of any country in the world, including the United States, Canada, Australia is a country with the largest use.

At the same time, the popularity of unmanned remote control aircraft to people's life, and even the society has brought great, though in many places set up a no-fly zone, but there are still such illegal flight. Drone photography can be a great way to capture the privacy of your life, or it can be a tool for criminals to spy on you. You need to buy one in the drone jammer category to protect your privacy.


Professional mobile phone jammer devices were originally developed for law enforcement and the military to disrupt communication between criminals and terrorists.The bombings that took place in Bali in October 2002, the bombings that took place in Jakarta in August 2003, and the commuter train bombings that took place in Spain in March 2004 all relied on mobile phones to detonate bombs. In December 2003, one mobile phone jammer thwarted the assassination attempt of Pakistani President Pervez Musharraf. According to reports, during President Bush’s visit to London in November 2004, British police considered using interferences to protect the president’s team in London.

Today, there are three most common places use cell phone blockers: Cinema use portable cell phone signal blockers to keep the place quiet so people can fully devote themselves to the movie; Workplace use cell jammers to improve the efficiency of employees; Examination rooms use cell phone scrambler to prevents candidates from cheating and guarantees fair and equitable examinations.

1. How cell phone jammers work

mobile phone signal jammer

The main principle of the mobile phone jammer is to emit huge noise in the frequency band used by the mobile phone, which interferes with the reception and transmission of the normal signal of the mobile phone. This small object is not only often used to prevent cheating in exams, but is also used politically and militarily to prevent terrorist attacks.

2. Where we can use the jammer

cell phone blocker

Cell phone signal jammers are mainly used in various test venues, schools, gas stations, churches, courts, libraries, conference centers (rooms), theaters, hospitals, government, finance, prisons, public security, military heavy places and other places where mobile phones are prohibited.

cell signal jammer

Why We Buy Mobile Phone Jammers

Mobile phone jammer is a device to prevent signal reception or transmission. At present, Cell phone signals in various countries of the world have similar frequencies, mainly including GSM 3G and 4G. The frequency range is mainly as follows: 850-894MHz / 925-960MHz / 1805-1880MHz / 1920-1990MHz / 2110-2170MHz / 2345-2400MHz / 2620-2690MHz / 725-770MHz / 790-825MHz. Usually by creating some kind of interference within the same frequency range that the phone normally USES. Therefore, mobile phone users will lose signal or experience significant loss of signal quality.

Mobile Cell phone blockers have many benign uses.As we all know, terrorism is now very common., these activities use Desktop phones. Mobile phone signal jammers product are already on the market, which is very useful. Also it is one of the main devices to prevent large-scale destruction. For example, the military and police often use them to restrict or destroy the safety of hostages. Communications during bomb threats or when military operations continue.

When you are in a meeting, a sudden ringing of the phone will cause the meeting to be interrupted; During the class, some students would answer the call or chat online, which will divert the student's attention. Putting a mobile blocker device in these places can effectively solve these problems. Because these phones are very annoying and unbearable, many regions have take strong measures.Moreover, the most important and useful benefit of this interference is that the specially designed antennas are difficult to break. These antennas are made of strong rubber to prevent damage.

Few people know that law enforcement agencies use cell phone frequencies for many surveillance purposes. For example, they can ask mobile operators to get private data from your phone, which violates our right to personal information protection. In addition, some law enforcement agencies can even eavesdrop on all your calls by eavesdropping on your phone. In this case, you definitely need to use a mobile signal jammer to block the phone signal and ensure personal privacy.

How do I block cell phone service?

A cell phone jammer is just what it sounds like. A device designed to block cell phone signal transmission or disrupt cell reception. They work by creating cell phone signal jammer within the frequency range used by cell phones—disrupting communication between phone users and the cell tower.

Working Distance of Signal Jammer?

The working distance is the most concerned point for the buyers. Usually, the distance is 10 m to 1km. We have the basic type that support the typical coverage is 10 meters. For the professional blockers, the working range on the highway is 1000m, while it is 500m in the center of city.

wifi mobile blocker

Will jammer have bad effect to human body and cell phone?

You should not worry about it.The intensity of electromagnetic signal sent by jammer is in compliance with the national standard of environmental electromagnetic wave health,the signal sent by interference is relatively small and no damage will appeared on human body according to the testing files.Meanwhile,this device is just damge the receiving condition to mobile phone and makes the normal connection between cell phone and base station impossible. Therefore,no damage will occur on cell phone itself.

High tech Phone Wifi signal interference

Is there any difference of distance between using jammer indoor and outdoor?

Yes. Generally speaking,outdoor signals is bigger than the indoor signal.Thereby,the shileding effect is worse outdoor.Strictly speaking,whether using indoor or outdoor,the effective distance of interception is related to the surrounding environment as the distance between different base statins,positions of installstion,ect.

Do Mobile Phone Blocker really work?

The jamming device works by sending radio frequencies to the same tower. It will overpower the cell phone signal by mimicking your Mobile phone. Basically, it sends out a signal that is the same frequency as your phone. ... This process causes a lapse in communication between the cell phone and the cell phone tower.