Sell Jammer

Cell phone jammer     Disconnect linkage between cellular handset and cellular base station for all types of cellular systems     Main features:     According to the current mobile system frequency of CDMA, GSM, DCS and PHS used at in abroad, we adopt high-tech to provide shield for mobile signal from them in special area that can not communicate with the station, so as to get to the active shield for use mobile phone   Use mobile phone signal jammer at the places more than 200m away from the base station for best performance   When switch on, it can work steady for a long time       Applications: 1. Museums, Libraries, Lecture rooms, Prevent students from sms cheating, Theatres, Schools universities, Restaurants, Places of worship, Country clubs, Sporting events, Recording studios, Tv stations, radio stations   Technical specifications:     1. Effective shielding range: 20-50 meters radius     2. Isolation bandwidth: CDMA: 870-880MHz     GSM: 925-960 MHZ     DCS:1805-1880MHZ 1890-1925MHZ     4. Operation temperature: -40c to +55c 5. Humidity: 30% to 95%     6. Power adapter: Input: 100 to 240V AC       Output: DC4V