OPENED BOX

Cell phone signal boosters work for AT&T, T Mobile, US Cellular, Cricket,Straight Talk 4G LTE 5G 700MHz Band12/17, Cell Phone Booster can receive the signal from the signal tower , Boost your cell signal, Support any phones for Wireless Carriers in the frequency range : Downlink :728-746 MHz Uplink : 698-716 MHz, Compatible with IOS, Pad, Android, WiFi hotpots, Windows Phone Systems , provides crystal clear calls, Reduces dropped calls. Don't have to go to outside the house for a call any more
AT&T Cell phone signal booster T Mobile ATT Signal Booster is built with the highest quality materials for reliable connectivity when you need it most! Much faster high-speed 4G LTE 5G internet.