850/1900MHZ 60dB 3G Cell Phone Repeater GSM Amplifier with Omni Directional Ceiling Antenna and Broadband Omni Antenna Type: Install Kit Color: Gray/Black Coverage: 3500 sq ft Frequency: Frequency Range:824-849MHz/1850-1910MHz;869-894MHz/ 1930-1990MHz Gain: Max Gain: 63dB Connector: I/O Port : N-Female on both ends Power Requirements: Power Supply: Input AC 100-240V 50/60Hz, Output DC 12V