Frequency Range:1850-1910MHz??1930-1990MHz</br>Max. Output power:15dBm</br>Max. Gain (dB) :65dB</br>I/O Port : SMA-female on both ends</br>Power Supply :Input AC100~240V 50/60Hz??output DC 5V 0.35A</br></br>Product Description</br></br>Introduction:<br/> We are a professional manufacturer and have own R&D center in Shenzhen??China.The Repeater captures the reliable cellular signal you have outdoors and rebroadcasts it indoors?? up to 2??500 square feet?? so you can enjoy clearer?? faster and more reliable service without interruption. Remember?? coverage varies based on outdoor signal level?? building construction?? and antenna placement. Coverage in adjoining rooms will be reduced by walls and ceiling/floors.<br/><br/> Note:<br/> 1. Before purchase?? please make sure your cell phone signal frequency is 1900mhz. There is a website of frequency for your reference: <b>http://www.unlockonline.com/mobilenetworks.php</b><br/> 2.The main unit wo