Advantage : 1.Built-in antenna design
2. Good cooling system with fans design and efficient operation
3. Light in heavy with a plastic case .Easy to install
4. Also with battery or car adaptor optional
5.Top Hidden . Not like a jammer. 7.Car adaptor available
RF Frequency: 850-894Mhz,925-960Mhz,1805-1990Mhz,2110-2170Mhz
Total Output power:12W Power supply: AC adapter (AC220V-DC12V available)
Shielding Radius: Up to 30meters(by your background signal strength)
