Build A GPS Jammer

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
Build A GPS Jammer