This jammer system comes with a built in rechargeable Li-ion battery for hours of signal jamming, and with the included car power adapter, recharge and use this in your car as well as the office. Incredibly easy to operate, just switch it on and it will immediately start blocking GPS CDMA, GSM, DCS and to keep your immediate surrounds annoyance free.
Works with ALL mobile phone networks in Thailand (including the new 3G ones)