How does a cell phone signal jammer work?

The working principle of a cell phone jammer is based on the concept of scanning the frequency range of the forward channel from low to high at a specific speed. During operation, this scanning speed causes destructive interference to the message signal received by the mobile phone. As a result, the mobile phone cannot detect the normal data sent by the base station and cannot establish a connection with the base station. The mobile phone seems to be constantly searching for the network, showing no signal and no service.

To use a cell phone signal jammer, follow these steps:

1. Determine the area where you want to block the mobile phone signal and place the jammer on a table or wall within the area.
2. After the device is properly connected, activate the power switch to start the jamming process. This will start the network search state of all powered-on mobile phones nearby, causing them to lose the signal from the base station.
3. Neither the caller nor the called party can establish a call connection.
4. After the installation is complete, turn on the power switch to power on the jammer. Popular GPS jammers and WIFI jammers in Europe and America.

In summary, the principle of a cell phone signal jammer is to interfere with the communication between the mobile phone and the base station, and prevent the mobile phone from establishing a connection and accessing network services by introducing interference signals within a specific frequency range.

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