Stay connected with SureCalls Fusion Professional, the most powerful cell phone signal booster for mid-size buildings that provides strong, reliable connections in areas up to 8,000 sq. ft. Fusion Professional significantly improves voice, text, 4G LTE and 5G data speeds for all North American cell carriers with built-in 2XP technology which doubles uplink transmission power to maintain the cellular connection to the tower in the weakest signal environments. Assembled and tested in the USA with outstanding build quality, award-winning technologies, all-carrier compatibility, and world-class support, the Fusion Professional is the premier cell phone signal booster for the mid-size commercial buildings and large residences. Kit includes: Fusion Professional 50 Ohm amplifier, 50 ft of low loss SC-400 coax cable, 20 ft of low loss SC-240 coax cable, outdoor Yagi antenna and indoor panel antenna.