Mobile GPS and cell phone jammer with a extremely long jamming range of up to 10 meters. If you are sick of all those phones going off, or being tracked everywhere with GPS, this is the anti-spy gadget you have been looking for. This jammer system comes with a built in rechargeable Li-ion battery. Specifications Isolating Signal Bandwidths: - GPS: 1500~1600Mhz - CDMA & GSM: 850-960Mhz - GSM & CDMA1900: 1805~1990Mhz Typical Coverage: 10 Meters Average Output Power: 10 dBm Typical Battery Life: 2 Hours Power supply: Built in Rechargeable Li-ion battery Dimension: Antennas off - 95x45x20mm (LxWxD) Package Contents: 1 x Portable GPS + GSM Cell Mobile Phone Jammer TG110B 1 x Power Adapter 1 x Car Power Adapter.