Signalbox 55dB 700MHz AT&T LTE Cell Phone Signal Repeater Color: White Compatible Phone Manufacturer: All Phone Work on AT&T 700 Compatible Carrier: All Carriers Work on AT&T 700 Frequency: 698-716MHz/728-746MHz Gain: 55dBi Connector: N-female Power Requirements: Power Supply: AC 100-240V; DC 12V/2.0A Dimension: 4.80 x 4.29 x 1.06 in