The Mobile X2 PRO is the highest power & gain mobile booster on the market. It will provide the largest coverage area and keeps you connected where all other boosters fail. It boosts signal to all cell phones and cellular devices within the booster's range simultaneously. This booster is self-adjusting to control feedback oscillation, overload protection to prevent auto shutdowns. The X2 PRO is network friendly, easy and simple to install, and can be up and running in minutes. This has 53dB of gain and provides the largest for coverage area for big vehicles, RVs, Boats, work trailers. Comes with a 14" high gain magnetic mount antenna that provides best performance in flat terrain. Booster Features Highest power & gain wireless booster available Wireless booster no connection to cell phone required Rugged long lasting cast aluminum housing Corrosion resistant painted brass antenna Industry Canada Certified Made in Canada 2 Year Warranty What's In The Box Mobile X2 PRO 53db high power & high gain booster Vehicle socket power supply for booster Inside slim flexible patch antenna with 1.2m (4ft) co-ax cable 14" Wide band magnetic antenna with 3m (10') coaxial cable