Frequency range: 824 ~ 849MHz?? 869 ~ 894MHz</br>Max Output Power: 22dBm / Max Gain: 62dB</br>I/O Port: N-Female on both ends</br>Main Power: AC 100~240V / DC 5V 2A</br>FCC authentication certificated</br></br>Product Description</br></br>Introduction:<br /> The booster kit includes an booster?? an indoor antenna and an outdoor antenna?? the outdoor antenna can pick up good mobile signal from outside of your house?? and send the signal through coaxial cable to the booster?? the booster can amplify the signal?? then the amplified signal is sent to the indoor antenna?? the indoor antenna can transmit the signal into your house?? so you can enjoy clearer phone