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Handheld Cell Phone Blocker 16 Bands 5G Jammer

Block Unwanted Cell Phone Calls Verizon

Perfectjammer 2021/11/25

The Block Unwanted Cell Phone Calls Verizon standard configuration on the market now can shield all the 2G 3G 4G signals and 2.4G WIFI signals of all mobile, China Unicom and telecommunications mobile phones. Its principle is to interfere with the mobile phone receiving the frequency sent by the base station and the wireless router through its own frequency. , So as to achieve the purpose of shielding them. After the school has installed the device, once it is turned on, the mobile phones in the classroom cannot communicate, text messages, and surf the Internet normally. Even if you carry a WIFI with you, it will be shielded because its frequency is also within the shielding range of the mobile phone jammer. The only way is to use the mobile phone signal transmission tower on site, because the mobile phone signal transmission tower enhances the mobile phone signal, and the mobile phone jammer shields the mobile phone signal. When the mobile phone transmission tower is too close, the power of the mobile phone jammer is Unable to compete with it, most mobile phones cannot be blocked at this time. cell phone jammer

See for yourself whether only the telecommunications signal becomes weak, or the signals of China Mobile, China Unicom, and China Telecom are all weak. If only one of them becomes weak, it may be the operator’s problem. The current Block Unwanted Cell Phone Calls Verizon is all frequency band, which can shield all the 2G 3G 4G signals and 2.4G WIFI signals under all the three operators of China Mobile, China Unicom and China Telecom. If Wi-Fi and the mobile phone signals of the three major operators all become weak, it may be that signal jammers have been installed. If this is the case, only install a mobile phone signal amplifier near the place where the mobile phone signal jammer is used to increase the mobile phone signal. When the mobile phone signal becomes stronger, the mobile phone jammer will be more difficult to shield.