3W High Powered Handheld Cell Phone Jammer

Don’t want your friend to keep yakking on the phone while you’re working in your room? A 3W High Power Handheld Cell Phone Jammer would probably do the trick, as it’s capable of jamming GSM 900/1800, 3G, CDMA, GSM, DCS, PHS signals and even the L1 frequency from GPS satellites. Despite its claims to be a high powered device, the range of it maxes out at about 20 meters, so it’s probably only good for a personal cone of silence. It comes standard with a 1,600mAh battery and will set you back $200 odd dollars.