3 in 1 High Power Signal Jammer for GPS, Cell Phone, 3G

Compact size - easily fits in your bag or purse 
Built in rechargeable li-ion battery 
Can be charged by AC adapter or car charger 
Passive Cooling (Completely Silent) 
No harm to human body or other electronic devices 
Please don't put the jammer in high voltage and high magnetism locations

Function: High Powered Cell phone, 3G, and GPS Signal Jammer 
Isolating Signal Bandwidth: 
- GPS: 1500~1600Mhz 
- CDMA + GSM: 850-960Mhz 
- DCS (PHS) + CDMA + GSM: 1805-1990MHZ 
- 3G: 2110-2170MHz

Antenna: 4x 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 
Dimensions: 
- Antennas off = 120mm x 62mm x 34mm (L x W x D) 
- Antennas on = 190mm x 62mm x 34mm (L x W x D)