Cartridge As303

Dual Band Booster increases signal for single user for your workspace - wireless - antenna sits on desk. Wireless - no wires to connect to phone. Helps to eliminate dropped or missed calls. Great for small offices, hotels, apartments, and dorm rooms. Extends the battery life of your phone. Just plug it in - everything is included. Compatible with all phones and all U.S. carriers (except iDEN, Nextel).