Product Description If you are still troubled with the continuous dins of cell phone calls, but you have no idea about how to deal with such situation, then here will be your best choice. This Remote Control Cell Phone Jammer will be the secret weapon to keep you everything in order. Just like other jammer products, this Remote Control Cell Phone Jammer is mainly used in those places where using mobile phones is prohibited such as government, military, finance, security, police and command center etc. Also you can see themm at conference room, auditoriums, law court, library, exam room, school, cinema, theater, and hospital etc. This widely used jammer has been into the toppest list now. Don't waste your valuable time and add this one directly into cart, we will send it right now! Specifications: Isolating Signal Bandwidth: - CDMA:870-894MHz - GSM:930-960MHz - DCS/PHS:1805-1990MHz - 3G: 2110-2170MHz Single Output Power: +35dBm/800mW Power Input: AC110V-220V Power Output: DC5V 8A Temperature: -40 to +55?i> Jamming Range:Radius 1~20 meters (Cellular signal must ≤-85dBm in the location), the jamming radius still depends on the strength signal in given area Relative Humility: ≤90%(RH) Air Pressure: 86~106kPa Dimension: 230(L)×110(W)×36(H)mm (Not Include Antenna) Weight:1200g Accessories Jammer AC adaptor Antennas http://www.buyjammer.com/remote-control-cell-phone-jammer-p-256.html