Features: Specification: Operation Frequency:Band 12/17 Frequency Range:Uplink: 698MHz-716MHz, Downlink: 728MHz-746MHz. Emission Designator:LTE(G7D) AGC LEVEL:Uplink:-45.00 Downlink:-56.00 Gain:Uplink:60±2dB Downlink:62±2dB I/O Port:SMA-Female on Both ends Output Power:Uplink:18.33dBm Downlink:7.95dBm Max.Antenna Gain:Uplink:8.1dBi Downlink:6.6dBi EIRP:Uplink:26.43dBm Downlink:14.55dBm Dimensions:109*63*16mm Weight:1.02kg FCC authentication certificate 30days money-back Package Content: 1* at&t 700MHz Single Band Repeater 1 * Indoor Omni Right Angle Antenna 1 * Outdoor Directional Yagi Antenna With 15 Meters (50 feet) Coaxial Antenna Cable 1 * Screws for Mounting 1 * English User Manual Introduction: 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 cell phone signal booster can amplify the signal, then the amplified signal is sent to the indoor antenna, the indoor antenna can transmit the signal into your house, so you can enjoy clearer phone call or faster mobile data Attentions 1.Make sure your cell phone is 700MHz 4G LTE Band 12/17 network frequency Note : please confirm if your cellphone band is covered by the booster before purchase. For Android phones, please download "LTE discovery" APP, press 'SIGNALS', then check 'EARFCN'. For iPhone, please dial NO. *3001#12345#*, click "Serving Cell Info", then check 'Freq Band Indicator'. at&t cell phone signal booster, cell phone signal booster, at&t signal booster, cell phone booster, cell signal booster , att cell phone signal booster , att signal booster, att signal booster for cell phone, att cell signal booster for home , cell phone signal amplifier, at&t cell phone extender , at&t extender, at&t booster, att cell booster for home