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School Blocking Cell Phone Signal

Perfectjammer 2022-02-05

School Blocking Cell Phone Signal

After investigation, the suspects Li and Qu were both from Guangxi. According to reports, on the same day, they used School Blocking Cell Phone Signal in the parking lot of a hotel in Xinhui to interfere with the car's door lock system. Within a minute, they stole a laptop from the car and fled the scene. Later, the criminal suspect Li Mou and the same man named "A Yuan" stole 20,000 yuan from Xu Mou's car in the same way at a restaurant in Xinhui City. Xinhui police have criminally detained Li and Qu, who are suspected of theft. The police reminded that the "lock jammer" is a kind of cell phone jammer , which shields the electromagnetic wave of the car's remote control by emitting electromagnetic waves, so that the car is in a "false lock" state. After the owner locks the car with the remote control key, do not rush to leave. Be sure to develop the habit of pulling the door at will, and be sure to lock the door before going out. Also, don't leave valuables in the car.

In view of the current domestic college entrance examination, adult college entrance examination, self-examination and various college entrance examinations, some criminals cheat on their mobile phones, and also combine various middle and high school students to use mobile phones to send text messages randomly during class time. The current situation, as well as the trouble and noise caused by mobile phones in various large, medium and small conference rooms, concert halls, theaters and other serious places in government agencies and enterprises. High-tech products carefully developed according to the actual situation of domestic mobile communication School Blocking Cell Phone Signal Can cut off GSM/DCS/CDMA/PHS/3G (TD-SCDMA/CDMA2000/WCDMA)/4G mobile phone signal, 2.4GWIFI, Bluetooth radius 1-20 meters (50- 250 square meters) within the wireless signal and radio transmission frequency band UHF400-470M, VHF136-167M, so that the mobile phone can not talk and answer, the walkie-talkie can not work normally, but will not interfere with the work of other electronic teaching equipment, after the mobile phone and walkie-talkie leave the zone to resume normal use.

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