The small output power mobile phone jammer commonly used in examination halls and conference halls, because of its size and design limitations, the electromagnetic radiation intensity is not large, and the total transmission power is only about ten watts, and this kind of equipment is generally only used for a few hours, and the harm to the body can be ignored. However, the radiation intensity of the mobile phone jammer used in places with large area of signal interference demand or with large transmission power is higher, and the output power can reach hundreds of watts. If the human body is in a strong radiation environment for a long time, or is very close to the transmission antenna, it is likely to cause some harm to the body. However, these high-power jammers are generally not used in densely populated areas, and the equipment and antenna will be installed very high, and the personnel will always be in a mobile state, so even if you pass through places with high-power jammers, you don't have to worry about causing harm to your health.

The most common mobile phone jammers on the market are low-power products. High-power jammers can only be used in specific places, so there is no need to worry about this in daily life.

As a mobile phone interference device, most of us use it in the examination room. This is to prevent examinees from using electronic cheaters to cheat in the exam. The exam is meant to test the true ability of examinees. If any examinee cheats, it is particularly unfair to other examinees. In order to maintain the fairness of the exam for everyone, it is necessary to install a mobile phone interference device, It is the best performance to be responsible for each candidate.