Signal Blocker Device More Than $500 High Power

In schools, to prevent students from cheating in exams, use mobile phone signal jammers to ensure the fairness of the test. In prison, high power signal jammers are used to protect the prison. In the library, the WiFi signal jammer and mobile phone jammer are installed in order to maintain a good and quiet reading environment and not be disturbed by the noise of cell phones. They have an array of antennas, a desktop jammer that is especially suitable for these places, and a lot of places to use a signal jammer. Unmanned aerial vehicles (uavs) is now very popular, the use of uav aerial became one of the many recreational activities now, but someone will shoot, intentionally or unintentionally, to your privacy, in order to protect your privacy from unmanned aerial vehicle (uav), using drone jammer is your most the right choice.The design of multiple antennas and desktop makes it widely used in large scale, with wide range of interference and frequent frequency. Its powerful features to make it on the price a little high than others, but a value, we know that a good product will naturally have a higher price, on the cost and the design is use the best material.

portable 10 antennas cell phone jammer

    10 Bands Portable WiFi GPS Lojack Phone Jammer Powerful

    This is a multi-band handheld wifi and mobile phone signal jammer with 10 antennas, jamming 2G, 3G, 4G, WiFi 2.4G/5.8G, GPS L1 - L5, Lojack, Walkie-Talkie UHF/VHF+CDMA450, 315MHz 433MHz 868MHz, radius up to 20 meters, convenient for anywhere.

High Power super jammer box shape
12 Antennas Wireless Signal Jammer For 3G 4G Wi-Fi GPS LOJACK 30Watt Shielding Radius Up to 40m
10 Antennas Plus Portable Mobile Phone Signal Jammer LOJACK GPS Wi-Fi Signal Blocker
8 Antennas Adjustable signal Blocker The Latest phone Signal Jammer

    8 Antennas Adjustable signal Blocker The Latest phone Signal Jammer

    The wireless jammer can jamming CDMA GSM DCS PHS 3G 4G WIFI frequencies. With a good cooling system, the interference radius is adjustable up to 40 meters.

    This desktop adjustable phone blockers has delicate shapes with 5 bands suitable for office,home. Jamming 3G 4G CDMA GSM DCS PHS WIFI. With good heat dissipation system can ensure work for a long time.

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