Phonetone AT&T 4G LTE 70dB 700MHz Cell Phone Repeater Booster Amplifier Extender with Directional Internal Panel Antenna and External Log-periodic Antenna Type: Booster Color: Black / White Coverage: 2500 sq ft Frequency: Frequency range : 728--746MHz, 698--716MHz Gain: Max Gain: 70dB Connector: I/O Port : N-Female on both ends Power Requirements: Power Supply: AC 100-240V / DC 12V 2.0A