Dual Band ALC 850/1900MHz 60dB GSM/4G/LTE/PCS Mobile Phone Signal Booster 3G Repeater + Outside Antenna and Inside 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