Nowadays, the world has entered the information age of rapid development. With the rapid development of communication, mobile phones have become an essential communication equipment in people's daily life. People are enjoying the conveniences of life brought by communication and are also adversely affected. In university classrooms, libraries, conference rooms and other places that need quiet, they are often harassed by telephone rings. Network jammer is to persecute the connection between mobile phone and base station. For example, Internet jammers are required in exam halls, conference rooms, gas stations and other places. The appearance of network jammer can change the existing bad condition. The unique function of the network jammer has many uses besides being used to prevent cheating in exams.

1. professional anti-terrorism: it has strong coverage and interference, and is often used to block the communication of terrorist groups and restrict terrorists from carrying out attacks. He is professional in anti-terrorism.

2. protect Secrets: when the company's secrets are secretly photographed and secretly recorded from mobile phones, it can interfere with these devices, so that the stolen secrets can not be transmitted. It is a reliable "spy killer".

3.. Anti drug expert: when the police carry out anti drug operations, they can prevent drug traffickers from giving information, which provides great convenience for the anti drug team to carry out anti drug operations. They are well deserved anti drug experts.

Because of its unique functions, it is appointed in various fields and works diligently 24 hours a day.