55dB 1900MHz Cell Phone Repeater Booster with Panel Antenna and Yagi Antenna Type: Booster Color: White Compatible Phone Manufacturer: All Phones Work on 1900MHz Compatible Carrier: All Carriers Work on 1900MHz Support Network: GSM,PCS,CDMA,WCDMA Coverage: 1500 sq ft Frequency: 1900MHz Gain: 55dB