Cell Phone Signal Booster for Home and Office - Boost 4G LTE Data and Voice for AT&T T-Mobile 700MHz Band 12/17 - High Gain Cellular Repeater Amplifier Extend Coverage Upto 4,000 sq ft

1. Operation Frequency:Band 12/ 17 Uplink:698MHz-716MHz Downlink:728MHz-746MHz 2. AGC LEVEL:Uplink:-45.00 Downlink:-56.00 3. Max.Antenna Gain:Uplink:8.1dBi Downlink:6.6dBi 4. Operating voltage: AC100 ~ 240V, DC12V/2A Mingcoll signal repeater will work for ATT 700MHz Band 12/ Band 17 network frequency, amplify your existing signal and provide you a much faster data uploads and downloads, as well as a stronger 4G LTE signal.The signal amplifier shall be installed in indoor areas only; mounting it in a indoor place where is near from the power socket and have good ventilation.The panel antenna will rebroadcast the boosted cellular signal to multiple mobile devices. Need connect the 16ft Coaxial Cable to it and the Indoor port of signal repeater.The Yagi antenna could pick up cell signal from signal tower and send to the signal booster. Please keep this outoor antenna towards the cell phone signal tower when mounting.Mount the outdoor panel antenna at outside place where receives the strongest signal from cell tower, and point it in the direction of tower.APPs: LTE Discovery and Network Cell Info Lite can help you find out the best signal location.Mount the Booster device somewhere inside the house and find a place to put the indoor panel antenna.The phone booster should be mounted in a place where have good ventilation.Connect the coaxial cables to the indoor/ outdoor antenna and the indoor/ outdoor ports of signal booster.The distance between indoor and outdoor antennas should be over 22ft and make sure a proper physical separation between them.Connect the power adapter to the booster and power socket, then its LED will on and start working.Note: the booster kit could only make the weak signal becomes stronger, it couldnt create signal.