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Does Fog Block Cell Phone Service

Perfectjammer 2021-11-9

Does Fog Block Cell Phone Service

Mobile phone signal jammers are more and more used in school examination rooms, dormitories, prisons, detention centers, courts, confidential meeting rooms and other places. As long as the range of Does Fog Block Cell Phone Service , mobile phones cannot normally receive calls, receive text messages, and access the Internet. of. In this case, there is no way to crack it, only a mobile phone signal amplifier can be installed to counter it. Because the mobile phone jammer uses its own frequency to interfere with the mobile phone to receive the normal frequency sent by the signal amplifier, so as long as there is a signal amplifier, the signal of the mobile phone will become stronger, and the mobile phone jammer will be more difficult to shield. cell phone jammer

The principle of signal interference is that the corresponding frequency band transmits high-power garbage signals to cover the past. The power of the mobile phone is only 0.5 watts, and the corresponding frequency bands are also public. A 5W coverage Does Fog Block Cell Phone Service band device can send a meaningless signal with full power to overwhelm the mobile phone. The signal to communicate with the base station. In this case, there is no way for mobile phones, but UHF and VHF radios can be used to communicate. However, for the common civilian radio frequency bands of 136-174 400-470, monitoring and interference are not difficult.

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