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Portable Cell Phone Jammer 8 Band Phone Jammer

Google Chrome Ad Blocker Cell Phone Guarantees The Normal Operation Of The Test Center

Suiker Dave 2022/05/04

It turned out that the school has recently been striving to become the national postgraduate entrance examination test center with the Provincial Examination Institute and the Municipal Examination Institute. "If the application is successful, we will be one of the many universities in Huai'an." Xu Hong told reporters, "According to the relevant Ministry of Education, It is stipulated that if you want to become a postgraduate entrance examination test center, you must build a standardized test room, and the hardware facilities for building a standardized test room include Google Chrome Ad Blocker Cell Phone and high-definition cameras." High-definition camera, synchronous timing radio clock, metal detector, cell phone jammer ID card recognition device, etc.

If you want to get high quality Google Chrome Ad Blocker Cell Phone for indoor or outdoor use, you can go to the online store to choose carefully. You can also get more instructions and more specific knowledge about cell phone jammers by clicking on the reliable website, which will definitely help you to get into the depth of the cell phone jammer section. In order to give you and your family a safe and peaceful life, a cell phone blocker is of course a good helper. The working principle of mobile communication is that within a certain frequency range, wireless devices and base stations communicate through radio waves to complete data and sound transmission with a certain baud rate and modulation method. When the mobile phone communicates, it contacts the base station through the uplink frequency, and then transfers the signal to the mobile service switching center to realize the call. In the standby state, the mobile phone communicates with the base station through the broadcast control channel. Once there is a need for a call, the mobile phone will first be assigned to the mobile phone business channel according to the specific conditions of the channel near the terminal, so that the mobile phone can jump to the business channel to realize the call and data transmission. . At the same time, wireless communication must ensure sufficient signal-to-noise ratio to effectively receive and complete the communication.