Many people have only seen the mobile phone signal jammer at most, but they do not know its working principle. They just think that it is very high-tech and can make the mobile phone lose its signal instantly. Then we can first understand the working principle of the mobile phone signal jammer. It interferes with the normal frequency of the mobile phone receiving the base station through its own frequency, making the mobile phone unable to connect to the base station. Therefore, when the signal is lost, the mobile phone cannot receive messages normally, Thereby achieving the function of shielding the signal. Mobile phone signal jammers are useful in many places, such as school examination halls, prisons, detention centers, hospitals and other places. However, the selection of mobile phone signal jammers is also very important. Do you know how to choose mobile phone signal jammers?

In terms of the power of mobile phone signal jammers, they can generally be divided into small power, medium power and high power. It is recommended to use some medium-sized mobile phone signal jammers in school examinations and conference rooms. There are also requirements for the frequency band, that is, 2G, 3G, 4G, 5g and WiFi signals. Before purchasing, you should know which signals you need to shield. The high-quality mobile phone signal jammer shall be green and environmental friendly, and the electromagnetic field strength shall meet the national standard, without harm to the person; And does not cause interference to the base station.

The mobile phone signal jammer produced by our company has absolute quality. It has unique heat dissipation and ventilation design and bilateral fan design. It can work continuously and stably for a long time to ensure the stability and accuracy of the signal. It is simple to operate and can be purchased with confidence.