65dB 850MHz Cellphone Signal Extender Booster Repeater with Dirctional Panel Antenna and Yagi Antenna Type: Booster and Antennas Color: White / Black Compatible Phone Manufacturer: All Phones Work on 850MHz Compatible Carrier: All Carriers Work on 850MHz Support Network: 3G, GSM, WCDMA Coverage: 1500 sq ft Frequency: Uplink: 824-849MHz; Downlink: 869-894MHz Gain: 65dB