4G Call Blockers

5 Antennas Portable High Powered 4G Cell phone Signal Jammer Specifications■Primary Function: High Powered Cell phone,Website:http://www.jammerwill.com, 3G, and 4G Signal Jammer ■Highly portable design ■Isolating Signal Bandwidth: - CDMA: 850 - 960Mhz- GSM: 925 - 960Mhz - DCS: 1805 - 1880MHZ - PHS: 1900 - 1990MHZ- 3G: 2110 - 2170Mhz - 4G WIMAX: 2345-2400MHz or 2620-2690- 4G LTE: 725-770MHZ ■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. Wonderful product and worth to buying. Very good!2. I've used it for a long time! A good tool to keep safe!!!!3. have bought here for many time, thanks, good as usual,4. The service is excellent and all my questions have been answered in time!!! Many thanks!!!5. good sample, hope the further cooperation will be smoothly.6. have bought here for many time, thanks, good as usual,7. The gadget is so cheap, without shipping fees but delivery fast! Thanks all of you. It helps me a lot!8. have purchase here for many time, good as usual!9. Search for a long time. You are here. So satisfied with the service here. I will come again.