GSM is the basic network band for mobile phone voice communications and SMS services. As everyone knows, improper use of mobile phones is very serious, and the use of mobile phones in public places will have a great noise impact on others. When reading and relaxing quietly, it can be very annoying if there is a sudden loud cell phone noise. We don't want to be disturbed when we need to be quiet. You can selectively block gsm networks by using GSM jammers.
GSM network bandwidth is very important for the use of electronic equipment. Therefore, in many places where the use of mobile phones is prohibited, interference devices that interfere with the basic communication of mobile phones are installed. This is also called gsm interference. The range of communication jammer products is limited to specific spaces, and the spaces such as concert halls, theaters and entertainment halls are not open to unspecified majority
In these places, communication by mobile phones and the like must be prevented to protect visitors in concert halls and the like, and to ensure smooth entertainment. In addition, in this requirement, the installation location is "concert hall, theater, theater", which is usually a place to be kept calm in museums and libraries, so if allowed, you will buy a gsm jammer if you do n’t By obeying the law, you can use jammers instead of abuse if necessary. After all, jammers have many advantages.