When installed according to instructions, this unit fulfills all its claims.NOTE that for the best success, you should separate the external antenna and internal base unit by as much distance and signal-obstruction as possible -- put the outdoor antenna at at the best available signal location, and the indoor base unit in the worst dead-zone. Use every inch of the 50' cable supplied.My installation is in a steel-framed and steel-skinned building -- getting a signal inside was basically impossible. The outside antenna is on an old TV antenna mast 5' above the building roof, and the inside unit is sitting on top of a suspended ceiling in the center of the main area. Now I get 5-bars on Sprint anywhere inside the building, and 3-4 bars within 10 feet or so of the building outside. Our ATT data card gets a 5-bars signal also. (We are thus using both bands on this unit at once.)While not cheap, it is the least expensive alternative available, and It Just Works(tm).