SIGNAL JAMMER

Different wall materials have different degrees of attenuation to the mobile phone jammer. For example, if the wall is made of light steel keel gypsum board, its attenuation will be small, and like glass, wooden doors, etc., the attenuation is also small. In addition, if the signal of the mobile phone jammer will also be refracted through the open space of doors and windows or through the reflection and refraction of the wall, it will have some influence on the mobile phone signal behind the wall, so that people feel that the mobile phone signal jammer has the ability to penetrate The illusion of penetration.

Of course, the size of the wall penetration ability is also related to the transmit power of each frequency band of the mobile phone jammer. Generally speaking, the larger the transmitting power, the stronger the penetrating ability. It is the same as listening to the sound of the next door through a wall. If the sound of the next door is louder, you can hear it clearly. won't hear it.

Latest Desktop Portable 100W 4G 5G GPS WiFi 2.4G 5.8G Frequency Cell Phone Jammer The ability to pass through walls is also related to the frequency of the wireless signal emitted by the mobile phone jammer. We all know that the lower the frequency of the wireless signal, the stronger the diffraction performance, just like the radio stations that everyone usually listens to. The frequencies emitted by radio stations are basically tens of megabytes to more than 100 megabytes, and the frequency is very low. One transmission tower can cover more than 100KM. The lower the frequency of the wireless signal, the stronger the penetration ability will be.

Signal Blocker

Therefore, when using a mobile phone signal jammer, if it can be determined that the wall is made of gypsum board and wood board, then you can choose whether to install it on a partition wall. If the wall is made of brick or steel, it is not recommended to install a mobile phone jammer on the partition wall. Recently, at the request of university users, on-site investigation was carried out, and on-site interference range detection was carried out. After testing, the interference effect of the mobile phone jammer on telecommunications and China Unicom can meet the signal interference of the entire classroom, but the interference range for mobile phones is very small, only two or three meters.

During the inspection by technicians with professional equipment, it was found that a large number of antennas for indoor signal distribution were installed in the ceiling of the corridor of the teaching building, and after inspection, it was found that the indoor signal distribution system was indeed installed by mobile, which caused the interference of mobile phones. The reason why the device does not interfere with the mobile phone in the classroom is not good.