Handheld GPS 3G Cell Phone Signal Jammer for Surveillance with Fan Cooling Feared that you've been tailed by GPS? Or disgusted about those incoming calls around? The signal jammer that specially designed for shielding of CDMA / GSM / DCS / PHS / GPS / 3G signals with different brands can cut off the cellular phones' signals with large effective coverage and flexible control.Install the four antennas and turn on the mobile signal jammer,Website:http://www.jammerwill.com, you can adjust the intensity of isolation manually. Although a common handheld device, the jammer can be made use of building jamming, or square jamming and so on.Signal jammer is widely to be used in many occasions such as entrance, adult college entrance examination, self-examination and various tertiary institutions; party and government organs, and all kinds of small, medium and large conference rooms, concert halls, theaters; detection centers, brigades, small, medium and large prison; gas stations, oil depots, oil fields, filling stations and other inflammable and explosive places.Features■Aluminum alloy material and high quality■Shielding signals of CDMA / GSM / DCS / PHS / GPS / 3G■Effective and adjustable 5 to 15 meters radially blocking coverage■Portable size and light weight■With cool protective leather case bag included for free■Widely used for security and confidential matters■Without any damages to human bodySpecifications■Primary Function: Mobile Phone Handheld Signal Jammer■Material: Aluminum alloy■Interference Frequency- CDMA: 850mHz - 894mHz- GSM: 925mHz - 960mHz- DCS: 1805mHz - 1880mHz- PHS: 1900mHz - 1990mHz- GPS: 1500mHz - 1600mHz- 3G: 2110mHz - 2170mHz■Shielding Coverage: 5 to 15 meters radially (depending on the mobile service provider's network condition)■Working Voltage: 110V - 240V / 50Hz-60Hz■Output: 12V / 2A■Built-in Battery Time: 2h■Color: GoldPackage Contents ■1 x Signal Jammer with 4 Antennas■1 x Power Adapter■1 x Car Charger■1 x Protective Leather Case■1 x Strap■1 x User Manual - EnglishProduct Reviews: 1. It\'s a powerful device. It\'s wonderful, works so well. Now, it\'s a necessity of our work. Very good!2. thanks, I got this package last afternoon, and very good, the device is just very fit to me, good,3. happy shopping here, the gadget is cool, and the most important is that the price is really cheap.4. Works great, really fast shipping !5. My order arrived promptly, was packaged well and was even better than I expected. It's the best price I could find on the web. Fantastic! Thanks!6. It's cool, I like it. Good product.7. The product arrived just three days after I paid for my product!! thanks!!!8. good sample, hope the further cooperation will be smoothly.9. I have received my order, and it works well. Thank you very much
