3G Jammer Description: Powerful pocket-sized mobile phone jammer that will disable nearby all types of public mobile phones including the new 3G band. It can be hided inside cloth pocket or handbag etc. and products and incredible 1.0mW radio shield which has an effective range of up to 20 meters. It is ideal for a samll cabin, meeting room, restaurants etc. or anywhere you want to eliminate. This jammer transmits low power radio signals to cut off communications between cell phones and cell base stations. It does not interfere with any communications other than cellular phones within the defined regulated zone. Upon activating a phone jammer, all idle phones will indicate "NO NETWORK." Incoming calls are blocked as if the cellular hand phone were off. When the phone jammer is turned off, all cell hand phones will automatically re-establish communications and provide full service. Features: Frequencies: 800 900MHz, 1800 1900 MHZ, 2.1 2.2GHZ Output power: Total about 1W Input power: AC/DC available, 12V DC 1.6A switching power adapter Available system: Including andlog (AMPS, TACS, NMT) and digital (GPRS, GSM, DCS, CDMA, PDC, TDMA, PHS, PCS, iDEN, W-CDMA, UMTS) Effective range: Up to 5 meters radius to 20 meters Battery: 12V Li-ion battery, rechargable Ni-MH battery and an Universal charger. Dimension: 110 x 62 x 30mm not include antenna Application For safety & Security: Petroleum station, government building, military establishments ect. For public places: Mosque, meeting room, conference room, museum, gallery, theater, concert hall, church, temple, restaurant, classroom, training center, factory, bank, train, and bus etc. For carry businese places: Movie theater, Casinos, Recording Studio etc. Note: Please check before ordering to see if this device is legal to import into your country