GSM Cell Phone Jamming Device

New Handheld 6 Bands Mobile Phone Signal Jammer for 2G 3G 4G and Lojack Isolating Signal Bandwidth:- CDMA/GSM: 850 to 960MHz   - DCS/PCS: 1805 to 1990MHz  - 3G: 2110 to 2170MHz     - GPS: 1570-1580(GPSL1)    - 4G(LTE): 725-770MHZ OR 790-825MHz- 4G: 2345- 2400MHZ OR 2620-2690MHZ  - LOJACK: 167 to 175MHzFeatures■Aluminum alloy material and high quality■Shielding signals■Effective and adjustable up to 20 meters radially blocking coverage■Portable size and light weight■Widely used for security and confidential matters■Without any damages to human bodySpecifications■Primary Function: Mobile Phone Handheld Signal Jammer■Material: Aluminum alloy■Shielding Coverage: up to 20 meters radially (depending on the mobile service provider's network condition)■Working Voltage: 110V - 240V / 50Hz-60Hz■With Built-in Battery: 4000mA/h,Website:http://www.jammerwill.com, Charge full time about 6Hours, Working time: 1-2HoursPackage Contents■1 x Jammer with 6 Antennas■1 x Power Adapter■1 x Car Charger■1 x User ManualProduct Reviews:1.Can cut off the 2G,3G,4G mobile phones and owns powerful jamming ability to cut off all the mobile phone signal frequency bands. Really like this cell phone jammer.2. The shipping time is just as promised and just arrive in 3 days after the shippment to the US.3. Fast shipment. Very Good product. Good Price. I recommend it.4. More than I expect! Long time working and effective blocking, satisfy with the service and fast shipping here.5. I bought this item few weeks ago and feel happy with it.