Key features

• •▶ Carrier Compatibility - The att cell phone signal booster is designed for boosting cell phone signal used for AT&T, T-mobile, Straight Talk U.S. Cellular carrier. The at&t booster is used on band 12 frequency range: Uplink:698MHz-716MHz, Downlink:728MHz-746MHz. Works with all mobile devices including IOS, Android, Windows Phone Systems, etc.
• •▶Improve Voice & Data Speed - The att signal booster reduces dropped & missed calls, better cell phone voice quality. No more miss massage and the verification code. Fast uploads and downloads with faster high-speed 4G LTE internet . You can review the page online fluently. No more slow internet connections or long buffer times while watching your favorite streaming TV shows and movies.
• •▶Stable Cell Phone Signal - The att cell phone booster boosts your cell phone service 4G LTE Signals for AT&T T-Mobile Straight Talk U.S. Cellular carrier. Faster high-speed 4G LTE internet for streaming apps. Solve your bad mobile network signal and enjoy your nice time.
• •▶Widely Coverage & Application - The cell phone signal Amplifier covers up to 2000 sq.ft. Support Multiple Devices and Users. This mobile signal booster can be applied in outdoor and indoor places, such as airports, tourist areas, golf courses, tunnels, factories, mines, villages, hotels, convention centers, basements, shopping malls, office buildings, residential buildings, etc.
• •▶Warranty And Certification - The att cell phone booster with FCC authentication certificate,30-day money-back guarantee, One Year Manufacturer Warranty. The att cell signal booster is easy to install. No other setup is required. Just connect cables and power - and it's ready to go.