Meet the weBoost Connect 4G-X: a handy tool that boosts signal for U.S. and Canadian phones up to 7500 feet. It provides you with a reliable cell signal and consistent data speeds. Connect 4G-X has dynamic, self adjusting gain controls. It works by pulling in the weak signal, amplifying it multiple times, and rebroadcasting it to an area you need.
Connect 4G-X aims to eliminate dropped calls, stuck text messages, slow internet, and weak reception. Not cheap though.