Cell Signal Blocker Jammers

5 Antennas Portable High Powered 3G WiFi and GPS Phone Jammer Specifications■Primary Function: High Powered Cell phone,Website:http://www.jammerwill.com, 3G, WiFi and GPS Signal Jammer ■Highly portable design ■Isolating Signal Bandwidth: - CDMA: 850 - 960Mhz- GSM: 925 - 960Mhz - DCS: 1805 - 1880MHZ - PHS: 1900 - 1990MHZ- 3G: 2110 - 2170Mhz - WiFi: 2400 to 2500MHz- GPS: 1570-1580(GPSL1)■Antenna: 5x Omni-directional Antennas ■Coverage Area: up to 20 meters ■Power Source : Wall plug, car adapter, or built-in battery ■Internal Battery: 1600mAh rechargeable li-ion ■Typical Battery Life: 2-3 hours of continuous use ■Total Output Power: Up to 3W ■Operating Temperature: -10 to +50 Celsius ■Operating Humidity: 5% to 80% ■Power Supply: 100-240v, 12v ■Approved: CE / FCCPackage Contents■1 x Signal Jammer with 5 Antennas■1 x Power Adapter■1 x Car Charger■1 x User Manual - EnglishProduct Reviews:1.I received this jammer and gave it a real test.2. very nice product, fast shipping only 4 days to denmark..3. It's a powerful device. It's wonderful, works so well. Now, it's a necessity of our work. Very good!4. Works great, really fast shipping !5.thanks, all OK, will be back for more deal.6.I have looking for such a jammer device for a long time, at last I found it here. Have bought one really help me solve my problem! Thanks a lot!!!7.Fast shipping. Excellent product. I was happy with the delivery and communications and price. Just hope it be durable.