This cell phone signal repeater booster is high gain 65dBsolve your poor signal reception problem inside your house and office.</br>This cell phone signal repeater booster will only work with Band 5 network frequency ( 850MHz 2G 3G)</br>This cell phone signal repeater booster will work for about 1500sq.ft in open space. If your outdoor signal is poor the actual indoor coverage will be smaller accordingly. If you expect excellent indoor performance while your outdoor signal is very poor or your house is very big and you want your whole big house has good signal receiption you must choose other bigger and more powerful booster kit with bigger antennas.</br>This Cell Phone Signal Booster reduces dropped calls and improves the voice quality in your house or office by boosting your signal strength.This repeater kit is suitable for a large housesmall office/home officevillagaragebasement and so on</br>A 30-day money-back guarantee and is backed by a one-year manufacturer's warranty.</br></br>Product Description</br></br>Frequency range:824-849MHz/869-894MHz<br> Max Output Power:22dBm<br> Max Gain:65dB<br> I/O Port:SMA-Female on both ends<br> Main Power:AC 100-240V / DC 5V 2A<br> <br> Packing:<br> signal repeater booster<br> Power Adapter<br> Indoor Antenna<br> Outdoor Antenna<br> 10m OD7.5 coaxial cable<br> Mounting Screw Kit<br> English User Manual<br> <br> Note:<br> The cell phone signal repeater booster could only work with 850MHz 2G 3G??so please kindly confirm the network frequency before order.<br> The network frequency could be checked on http://www.worldtimezone.co