Each environment has its specific characteristics, so you need to evaluate the use of mobile jammers in order to choose the mobile jammer that best suits your needs. The buildings, construction materials, telephone signals, regional organizations, etc. in the area. A variety of influences occur during the transmission process, namely the shadow effect and the Faraday cage effect, both of which will greatly affect the propagation of interference. signal. The signal strength in this area will affect the area where the signal is blocked. In areas where the power is -75 dBi or higher, it may even disable the power, so the power of the mobile cell phone jammer is less than 10W.
The development of smart phones makes people more and more dependent on mobile phones, they are too addicted to mobile phones and rely on mobile phones, they can not leave mobile phones, especially mobile phone addiction among young people. Relying on mobile phones has always been the focus of social attention. Schools use mobile phone Bluetooth jammers to prevent students from relying on symptoms, which has achieved good results to a certain extent. In addition, they use mobile phones to cheat exams. This violation forced schools to install cell phone jammers to intercept cell phone signals and prevent cell phones from connecting to the Internet. During the test, turn on the mobile phone jammer to prevent students from cheating and to ensure the fairness of the test. In a sense, using cell phone jammers in schools is a good thing.