GPS Signal Jamming Device

New GPS-Cell Phone-3G Signal Jammer with Signal Band Control Swith This newly designed model difference from others is its Band Control Swith Function. It can block the the cell phone,Website:http://www.jammerwill.com, gps and 3g signal at the same time, but when you just want want to block the cell phone's signal, but not bloking the gps and 3g signal, you can use the swith on the item's side to control that. Turn off the gps and 3g, then it will just stop the phone's signal. What functions you need, what functions you don't need, now you can use the swith to make what you need.Specifications
GPS Signal Jamming Device