Signalbox 62dB 2100MHz 3G WCDMA Cell Phone Signal Booster Repeater Amplifier with Omni-directional Antennas Frequency Range: 1920-1980MHz/2110-2170MHz Max. Output Power : 22dBm Max. Gain (dB) : 62dB I/O Port : N-female on both ends Power Supply : Input AC 100-240V, Output DC 5V/ 2A