Vktech WCDMA 2100Mhz 3G Mobile Cell Phone Signal Repeater Booster Amplifier Outdoor Antenna : 6dBi 5 Units Yagi Antenna with 10m cable Indoor Antenna : 3dBi Terminal Antenna Group Delay : &lt;5us Power Supply : AC 100 - 240V / DC 5V 2A 100% brand new and high quality