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What is the purpose of the signal jammer

Admin Posted on 2020-11-24

Nowadays, people cannot live without mobile phones. Everyone holds a cell phone all day, but some places will block their signal. Today, we will introduce the purpose and use method of the telephone signal jammer.

What is the use of cell phone signal shielding?

Signal jammer is mainly aimed at various examination rooms, schools, gas stations, churches, courts, libraries, conference centers, theaters, hospitals, governments, finance, prisons, military places and other places where the use of mobile phones is prohibited. It is understood that cell phone signal blockers on the market can limit cell phone signals to 500 meters away from the launching station. The shielding radius is adjustable, and the coverage area reaches more than 30 square meters. The mobile phone signal shielding device can only shield mobile phone signals and does not affect other electronic equipment. Save energy, the power is 12W-480W. During operation, the shield scans from the low end to the high end of the forward channel at a certain speed. The scanning speed will cause garbled interference in the message signal received by the mobile phone, and the mobile phone cannot detect the normal data sent by the base station, causing the mobile phone to fail to establish a connection with the base station. Mobile phones appear to search the network, no signal, no service system, etc.

phone signal jammer

How to use mobile phone signal shielding?

1. Select the area where the mobile phone signal needs to be cut off, and place the cutter on the desk or wall in that area.

2. After installation, turn on the isolation switch and turn on the power switch.

3. After the equipment is connected, press the power switch isolation switch to work. At this time, all mobile phones on the scene are in the state of searching the network, and the base station signal is lost. Neither the calling party nor the called party can establish a call connection.

Case of shielding device installed in Guangzhou Beilei Theater
The built-in antenna jammer has those advantages compared with the external antenna mobile phone signal jammer