Drown everyone out!

A lot of radio gadget gadgets have been and are being produced in the world, there are those that quench the microwave radiation of police radars, there are those that quench the frequencies of broadcasting radio stations, and there are those that quench the frequencies of mobile communications. Among others, a device with a commonplace name - Portable Universal Cell Phones Jammer is different in that it is harder to find it more universal. The gadget drowns everything from GSM and DECT to CDMA and 3G. In principle, engaging in jamming communications is a criminal offense in our country, but sometimes it is so desirable that it is difficult to resist blocking excessively talkative comrades. It should be noted that it is very difficult to notice the lock, since the device is small in size. The diameter of the jamming zone is not more than 10 meters.