808b cell phone signal jammer/blocker

Key Attributes.

Technology index   - - - - Output port | Frequency | Average out-putting power | Channel out-putting power | CDMA | 850-894MHz | 33dBm | 6dBm/30KHz(min) | GSM | 930-960MHz | 33dBm | 3dBm/30KHz(min) | DCS/PHS | 1805-1990MHz | 33dBm | 5dBm/30KHz(min) | 3G |   2100-2200MHZ | 33dBm | 3dBm/30KHz(min) | Available system: world wide cell phone network  Power supply: AC adapter   (AC110V-240V  DC5V)  Operate time: 12 hours continuous Semidiameter of interception:1-20 m(-75dBm)     Antenna: 4pcs ( Please fix the antenna follow the mark in the unit)         Packing: neutral packing; Logo can be printed per customer's requirement based on quantity.  | Power consume:4W    weight:1.8kg      Dimension: 200(L)×160(W)×50(H)mm | - - - - Application: 1. Conference room, auditoriums, law court, library, exam room, school, cinema, theater, museum, hospital etc. 2. Places where using mobile phones is prohibited such as Service Station, Security Services, Military Units, Border Patrol and Drug Enforcement, Customs, etc.