Cell Phone Jammer

 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: 2-10meters radius

2. Isolation bandwidth:  

 CDMA: 869-894MHz
                                        GSM: 925-960 MHZ
                                        DCS:1805-1880MHZ 

                                        WCDMA:2110-2170MHZ

                                        PHS:1900-1925MHZ

                                        PCS:1930-1990MHZ

3. Operation temperature: -40c to +55c
4. Humidity: 30% to 95%

5. work time:2-2.5hours