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Blocking Private Calls On Verizon Cell Phone Cut Off Communication Between Phones

Perfectjammer 2022/04/04

Common Blocking Private Calls On Verizon Cell Phone in the market, its operating frequency is: 869~894MHz; 825~960MHz; 1805~1870MHz, 1900~1990MHz, etc. The working frequency band is CDMA800, GSM900, DCS1800, PCS1900. It can control a range of about 40 meters in diameter, using a DC-DC converter input voltage and 5V output voltage. cell phone jammer How to use: Select the area where the cell phone signal needs to be cut off, and place the circuit breaker on the table or wall in this area. After the installation is complete, turn on the power of the isolation switch and turn on the power switch. After the equipment is connected, press the power switch and isolation switch to work.

All the mobile phones on the site were in the state of searching the network, and the base station signal was lost. Neither the calling party nor the calling party can establish a call connection. How much do you know about cell phone jammers? Today, this kind of equipment is widely used in the domestic college entrance examination and big entrance examination, especially in the recent college entrance examination. Maintaining the normal examination order can continue to fight against the various "black technologies" that are emerging in an endless stream. Take you to understand this must-have "artifact" in the examination room.