65dB 850MHz GSM/3G/W-CDMA Mobile Phone Signal Booster Amplifier with Ceiling Antenna and Omni Antenna with Cables for Home/Office Use Type: Booster and Antennas Color: White 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