Nowadays, in the era of mobile Internet, smart phones have become very popular. However, while bringing convenience to people's lives, the use of illegal acts has also emerged. For example, in the exam, cheating in the exam not only depends on taking notes, stealing notes, or even sneaking into the mobile phone to cheat. In this information age, cell phone jammers are certainly indispensable in the examination room. Their appearance has solved many hidden dangers that disrupt the order of the examination room, so that examinees can participate in the examination in a fair environment. Therefore, many schools will choose to install cell phone jammers.

Cell phone jammer is also one of the essential equipment for examination rooms, prisons, gas stations and other places. Its function is to shield mobile phone signals and make mobile phones unable to work normally.

From the volume of the cell phone jammer, it is not very large, and can be conveniently placed anywhere in the examination room without occupying other places. And there is no noise, because the use of cell phone jammers will not give the examinees too much impact.

The cell phone jammer is an excellent jammer, which can effectively shield the signal in the communication process without affecting the operation of other electronic products around it. This feature of the cell phone jammer makes it very convenient and unrestricted to use. In addition, the cell phone jammer is easy to carry and has different models and sizes, so it is an ideal choice for the examination room.