Plug N' Talk In-Vehicle Wireless Signal Booster

Up to 45dB system gainExtends cellular range for voice/data and reduces dropped calls Dual band (800-1900MHz) product that works with all cell phone providers except Nextel IDEN frequency Plugs into car cigarette lighter, antenna mounts on roof of car-no installation requiredWorks with multiple users simultaneously Ideal for real estate agents, individuals with long commutes, road trips, etc.