Max gain: 70dB</br>Max output power : 27dbm</br>I/O port: N-female on both ends</br>Power supply: AC 100-240V/DC 12v 2.0A</br></br>Product Description</br></br>Introduction: The booster kit includes a 850MHz 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 in