Wilson Electronics Sleek 4G Cell Phone Signal Booster Cradle for 2G 3G and 4G on Verizon AT&T Sprint and T-Mobile Networks with Home/Office Accessory Kit Wilson Electronics - Sleek 4G - Cell Phone Signal Booster Significantly improve your cell phone reception and data rates on all 2G, 3G and 4G Networks in the U.S. Wilson Electronics Home/Office Accessory Kit for Wilson Sleek Includes Everything Needed to Use Sleek Indoors Extends device battery life-easy instalation