Drown all!

There are a lot of gadgets, radio silencers in the world, there are some that suppress microwave radiation from police radars, some that quench the frequencies of broadcast radio stations, and some that quench the frequencies of mobile communications. Among others, the device with the banal name - Portable Universal Cell Phones Jammer differs in that it is more difficult to find it more universal. The gadget suppresses everything from GSM and DECT to CDMA and 3G. In principle, it is a criminal offense in our country to engage in jamming communications, but sometimes it is desirable that it is difficult to resist blocking overly 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 kill zone is not more than 10 meters.