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Build Your Own Cell Phone Scrambler

Many people do not understand the difference between the three methods of Bluetooth, Wi-Fi and mobile data. It seems that they are wireless communication technologies. In fact, the main difference between them lies in the frequency band. In mobile communication technology, 2G mainly works in the 900-1700MHz frequency band, 3G works in the 1900-2100MHz frequency band, 4G works in the 2300-2500MHz frequency band, and 5G works in the 3400-3600MHz frequency band. Bluetooth and WiFi work at 2.4GHz. In this way, the R&D engineers of Dazhan Electronics can accurately identify the communication frequency band and develop the Build Your Own Cell Phone Scrambler ​of the same frequency band, so as to achieve the goal of completely shielding the wireless signal of the mobile phone. cell phone jammer

2.4GHz 5.1GHz 5.8GHz Portable Mini Drone Signal Jammer

This is a drone jammer designed for portability. Small and light, it is ideal for managing illegal drones. Is the first choice of the city security management department, but also to protect their privacy and security good helper

$949.73 $1473.72 More

N8P Portable 3G 4G GPS WiFi Lojack Cell Phone Jammer

This is a mini portable mobile phone signal jammer that can be used outdoors for a long time. It has a large capacity battery of 8000 mah. With the extended antenna, it has a larger interference range than other 8-way handheld jammers.

$621.71 $1389.02 More

Mini Type Portable Signal Blocker GSM 3G WiFi GPS Device

This is a mini portable hidden type multi - purpose smartphone signal blocker. First of all, the design of this device is very portable. The size of 20mm*20mm*26mm can be easily put into pocket or backpack. Second, the device has a very strong concealment. The device looks like a portable power source, can ensure that you are not easily perceived by others during your use. Third, although the device is very small, but it can also interfere with multiple signals

$106.99 $320.2 More

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