Wilson’s affordable SignalBoost^TM Cell Phone Signal Booster is the perfect choice for the user looking to improve cellular signals for a single cell phone or data card on the road or in a building. All SignalBoost^TMmodels work great in a car, boat, and building. The included Ultra-Slim Antenna attaches to any phone or data card – no equipment-specific adapter is required. The models are listed in the specifications section with frequency information, and work with all major North American cell phone carriers, which include both Cellular (824-894 MHz) and PCS (1850-1990 MHz) carrier frequency bands.  Wilson’s compact Mini Magnet-Mount Antenna is included with the 811211. It attaches quickly and easily to a vehicle roof or to the optional window-mount bracket for building use.