6 Bands Phone Signal Jamming

6 Bands cellphone jammers has a variety of interference bands that can interfere with cell phone signals of various frequencies. Can effectively prevent signal transmission. This kind of jamming device is popular in North America because it can interfere with many frequency bands, so it can be used for different scenes. Usually used in the cinema, the music hall, cafe, etc. Some meeting rooms and libraries are also using this product. This is one of the most used jamming devices today. It's very convenient to use

At the same time, this kind of interference device has a large range of interference, suitable for users who are required to disturb the distance. Such as big bank conference room, cinema library and other places.