Signalbox 70db 850/1800mhz 3g 4g LTE Cellphone Signal Booster Mobile Phone Signal Repeater High Gain 12dBi Log-periodic + 7dBi Panel Antenna and 15m Cable Amplifier Kit (White Cable) Frequency Range: 70dB 850mhz(824-849MHz/869-894MHz)--1800mhz(1710-1785MHz/1805-1880MHz) Standard Supported : 2G/GSM CDMA 3G/WCDMA 4G/LTE NOTICE: Please make choice before buying it. If you do not sure the Repeater's frequency you need, we can help you select a right one for you.we have all USA frequency amplifier .so feel free contact us please. I/O Port : N-female on both ends Power Supply : Input AC 90-260V, Output DC 12V/ 2.5A