Boost cellular signal and expand signal range in your motorhome or RV with the portable and powerful SmoothTalker Mobile X2 Pro 53dB RV/Motorhome Kit. The Mobile X2 Pro is a plug and play wireless booster that does not require a physical connection to your mobile devices, and provides superior performance in flat terrain. A 12V plug in power supply is also included for added convenience. Signal Booster Features Max Gain: 53 dB Power Requirement: 12V Aluminum cast housing What’s in The Box Mobile X2 Pro Signal Booster 12V vehicle power socket supply 1.2m (4’) patch antenna MCT female connection 356mm (14�) enclosed dual high gain antenna 6.1m (20’) quad shield coax MCT male to MCT female cable