Verizon Cell Phone Caller Id Blocking Will Not Affect Other Electronic Devices
Phone signal jammers are mainly used in doctors' offices, schools, gas stations, churches, courts, libraries, conference centers (rooms), theaters, hospitals, government, finance, prisons, public security, military and other places. forbidden. It is understood that Verizon Cell Phone Caller Id Blocking devices on the market can limit cell phone signals to within 500 million meters of the transmitter. The shielding radius is adjustable, covering an area of more than 30 square meters. cell phone jammer can only block mobile phone signals and will not affect other electronic devices. Power saving. The power is 12W-480W.
Cell phone jammers scan forward channels from low-end frequencies to high-end frequencies at a specific rate during operation. Such scanning speed will cause garbled interference in the SMS signal received by the mobile phone, and the mobile phone cannot detect the normal data sent by the base station, so that the connection between the mobile phone and the base station cannot be established. The mobile phone appears to search the network, the mobile phone has no signal, and there is no service system. This year's college entrance examination in China has a distinctive feature: Verizon Cell Phone Caller Id Blocking is used in the examination room to ensure the fairness of the examination. Cell phone jammers include high-power cell phone signal jammers. High-power mobile phone signal jammer is a new product developed by special advanced technology according to market needs.
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