We heard that a person used a "cell phone jammer" on public transportation so that he could be peaceful and quiet. Well, the question is almost everyone's lips: what is a cell phone jammer? Frequency disorders can be benign or malignant. During hostages, explosions, or military operations, police and military often use traffic jams to restrict or interrupt communications. Deception is used to reduce the unpleasant degree of the first transition in peaceful protests. But how does the phone work? Well, they use antennas to send radio waves at the same frequency used by mobile phones. This can cause enough damage to the cell phone near the cell phone jammer (depending on the type, from 12 feet to 5 miles may be useless). Newer devices are small and often disguised as cigarette cases. On the one hand, the daily life of cellphone jammers seems to be a good idea: who wants to sit next to the people on the train to the doctor, the details of their last bowel movement? If you don’t have a best friend every two minutes, would you work or work in the classroom?
The classroom is usually not very large, so it is recommended to use a mobile jammer. This is very easy to carry and use. You only need to press a button to open it. Of course, you don’t have to worry about emergency situations where someone needs to call you. They can leave the classroom and make calls without disturbing others. Or, you can close the jam unit as needed. Some devices can interfere with telephone signals. Essentially, it pretends to be a base station, not a base station. The problem with this is that it disables emergency calls. In theory, you can implement some methods to switch the phone to "silent mode" when it is placed in an unauthorized location (because the operator always knows the location of the phone). However, no one has proposed this as a product or standard, but it is not particularly difficult. You may have to pay because you are the owner of a movie theater or a restaurant.
