Phonetone 60dB 850/1700MHz Mobile Signal Booster Repeater Standalone amplifier Dual Band In-Building Booster Type: Booster Color: Gray Coverage: 3500 sq ft Frequency: Frequency Range:824-849MHz/1710-1755MHz,869-894MHz/ 2110-2155MHz Gain: Max. Gain (dB):60dB Connector: Connector:N-Female Power Requirements: Main Power:AC 100~240V / DC12V 2A