70dB GSM/DCS/4G/LTE 1800MHz Booster Cell Phone Signal Repeater/Amplifier with Panel and Yagi Antennas Kit Frequency Range: 1710-1785MHz/1805-1880MHz Standard Supported : GSM, DCS, 4G, LTE etc. Max. Gain (dB) : 70dB I/O Port : N-female on both ends Power Supply : Input AC 90-260V, Output DC 12V/ 2.5A