Block Numbers To Verizon Cell Phone Block Calls
During the test, hold the mobile phones of the three operators and place them in the opposite corners of the conference room, which is also the farthest position from the conference room Block Numbers To Verizon Cell Phone , and then leave the mobile phones for about 2 minutes. Do not perform any operations on the mobile phones during the test. Check whether the mobile phone signal is blocked on the mobile phone screen. If it shows no mobile phone signal, then the mobile phone of the operator is blocked. If the mobile phone shows that there is a signal, you can try to call the operator's customer service hotline, or use the mobile phone network for data go online. If it is possible to make calls or access the Internet via data, move the cell phone to a position close to the cell phone signal jammer in the conference room, and reciprocate until the cell phone is completely blocked, and the cell phone cannot make calls or access data. In this way, the shielding range of the mobile phone signal jammer in the conference room is determined, and this shielding range is used to determine the number of mobile phone signal jammers in the conference room.
There are many kinds of mobile phone signal shielding equipment, generally handheld, wearable, and launching desktop. The general shielding range of Block Numbers To Verizon Cell Phone equipment on the market is 500 meters. The working principle of the mobile phone signal shielding device: It searches and interferes with the mobile phone communication signal through the signals of some other bands sent by the mobile phone signal shielding device, so that the mobile phone cannot be connected to the communication base station normally. To achieve the purpose of not being able to receive or send information and make calls normally. cell phone jammer The equipment is generally used for large-scale examinations such as the college entrance examination and the national civil service examination, as well as state secret projects. For example: the research and development of new products of military enterprises.
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