Boost GSM W-CDMA 850mhz cell signal to make call and send txtworks with most US network providers.</br>Coverage up to 2100sqftsupports 50 simultaneous usersNo more dropped calls.</br>Simple and easy to install easy-to-open packagingship from US warehouse or China by UPS DHL</br>Installation Points: facing the closest cell tower need to place the indoor antenna facing away from the yagi antenna</br>Guarantee: 30-day money-back guaranteeThree months Free Replacement1 Years Manufacturer Warranty</br></br>Product Description</br></br>Technical Specification:<br> 1. Frequency Range:824-849MHz869-894MHz<br> 2. Max. Output power:22dBm<br> 3. Max. Gain (dB) :62dB<br> 4. I/O Port : N-female on both ends<br> 5. Power Supply :Input AC100~240V 50/60Hzoutput DC 5V 2A<br><br> Introduction: <br>The Repeater captures the reliable cellular signal you have outdoors and rebroadcasts it indoors up to 2500 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> Package: <br>1. 1 * Booster <br> 2. 1 * Power Adapter <br> 3. 1 * Mounting Screw Kit <br> 4. 1 * English User Manual <br> 5. 1 * 9-10dBi Indoor Panel antenna with 5 meters cable <br> 6. 1 * 8-10dBi Outdoor Yagi antenna with 10 meters cable <br> <br>Note: <br> 1.The frequency is the most important thing to choose a signal booster?? bec