Key features

• •Cell Phone Signal Booster: AT&T cell phone signal booster works with AT&T, T-Mobile, Straight Talk, Cricket, U.S. Cellular and more, at&t cell phone booster works on band 12, band 17 (700MHz), ready for 5G, also for 4G LTE 3G. Support frequency range: Downlink: 728-746MHz, Uplink: 698-716MHz. at&t signal booster provide crystal clear voice, Reduce dropped call, improve your signal from at least 1-2 bar to 3-5 bar up to 4500 square more than 2-5 rooms.
• •Better Voice & Fast Data: AT&T cell signal booster receive the signal from the signal tower , Boost your cell signal, boosts voice and data signal, enhances data speed and volte, to improve your productivity, and enjoy clear call/voice, less dropped/missed importannt call, faster uploads and downloads, you do not need to go outside from your house for cellular signal any more. Get rid of expensive monthly internet fees. Supports multiple users simultaneously.
• •Large Coverage & Compitiable: ATT signal booster comes with powerful directional antenna, which allows the signal strength to be 100X stronger and provide long-lasting stable coverage up to 4,500 sq.ft. Compatible with IOS, Android, WiFi hotpots, Google Chrome, Windows phone systems. Perfect for you to stream videos from Google/YouTube/Facebook/Netflix/Tiktok any time. Suitable for dead zone of house, country, remote area, wooded mountainous area, metal roof, farm, garage, even during a storm!
• •Advanced Features & Easily Install: ATT cell booster uses AGC(Automatic Gain Control), Max Gain 65dB, Self-oscillation Elimination can intelligently detect existing signal strength, adjusts itself for the best performance. Inactivity mode goes on standby when the att booster is not in use, and wake up when in use, to reduce power and extended service life. All the needed equipment included in the kit, included coax cable 50ft can be extended to 100ft, 30 minutes can make it.
• •FCC Approved & Warranty: T-Mobile signal booster with FCC approved with highest quality materials for reliable connectivity. GAGBK cell phone signal booster for home support 30 day money back, 3 year manufacturer warranty, and lifetime professional technical support, offer 24-hour friendly customer service, if any problems, please feel free to contact us, we will do our best for you, and if anything happens to any of the components, we will unconditionally replace those items for you.