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Cell Phone App To Block Robocalls Are Already Widely Available

Perfectjammer 2022/04/07

Cell Phone App To Block Robocalls

We all know that the functions of directional antennas and omnidirectional antennas are different. For those who only need to cut off the cell phone signal in a certain direction they want, directional antenna jammers can be chosen to help them, 4G cell phone signal has been widely used from now on, so now really need 4G Cell Phone App To Block Robocalls . Now everyone can Check out this "75W High Power 2G 4G Cell Phone Jammer Directional Flat Antenna" here, it is very powerful and the details will let you know more details about this high power adjustable cell phone jammer.

The current Cell Phone App To Block Robocalls is the full band. It can block all 2G 3G 4G signals, 2.4G WIFI signals and Bluetooth signals of the three major operators of China Mobile, China Unicom and China Telecom. It works by interfering with its own frequency. Cell phones receive frequencies sent by base stations and wireless routers, thereby shielding them. Generally speaking, the working principle of mobile phone signal jammer is that the frequency emitted by cell phone jammer interferes with the normal frequency of the mobile phone receiving the base station, so that the mobile phone cannot connect to the base station, so that it cannot make calls, send and receive text messages and surf the Internet normally. In a certain frequency range, the mobile phone and the base station are connected by radio waves to complete the transmission of data and sound with a certain baud rate and modulation method.

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