How mobile phone jammers work

What is a cell phone jammer ? An interfering device is a device that emits radio waves, and its frequency band is the same as the frequency band used by a mobile phone, so the mobile phone cannot be used around the device. After installing the jammer, there is no signal from a mobile phone in a certain range nearby, and you cannot make or receive calls.

best popular cell phone jammer

During this time, due to the rapid popularity of smartphones, sometimes in movie theaters, cafes, museums and concert halls, the ringing of mobile phones gave me an uncomfortable feeling. There are many situations that can cause trouble for others. There are bad behaviors, such as cheating on a mobile phone at the test site. Cause unfair results. In addition, sensitive information may be leaked at sensitive locations such as military bases and government agencies, etc., all of which require the installation of cell phone jammers.

The mobile phone jamming device blocked the radio waves from the base station, unable to connect the mobile phone and the base station normally, and the terminal is out of range, and the mobile phone is no longer usable. It is said that something happened temporarily, making you unable to make or receive calls. Block the radio wave band GPS / 3G / 4G / CDMA / GSM / DCS / PHS / Wi-Fi and other bands. Please note before use: before connecting the power, all antennas must be connected.

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