商品名 AT&T Cell Phone Signal Booster Band 12/17 Cell Phone Booster 4G LTE 5G Signal Amplifier Repeater Cellular Signal Booster is 5G Compatible, Supports 5G and 4G LTE Devices, Boost Voice and Data (White) ブランド名 商品コメント ATT Signal Booster Home cell phone signal booster is suitable for AT&T, Cricket, Straight Talk, US Cellular Band12/17（700MHz）， Uplink: 698MHz-716MHz, Downlink: 728MHz-746MHz. 65dB, The cellular booster can boost your indoor 5G and 4G LTE signal. Provides crystal clear calls, Reduce dropped calls, improve battery life.（Before purchasing, please check whether the band used by the mobile phone matches the working band of the booster, otherwise it will not work. Booster working band is: band 12/17） br Faster data speed The cell signal booster is made of the highest quality materials and can provide the most reliable signal when you need it. The days of interruptions and disconnections and slow data will be a thing of the past. You will experience better streaming, uninterrupted texts, faster data speeds and improved hotspot functions. All wireless devices and hotspots improve 5G and 4G LTE signals at the same time. br Consistent coverage & extended battery life AT&T cell signal booster covers up to 3,000 sq. ft or cellular signal reception in up to 2-4 rooms. It delivers unrivalled performance with cutting-edge technology, reducing dropped and missed calls and extending battery life for multiple simultaneous users. AT&T Cell Phone Booster will provide clear and consistent coverage for all cellular devices in a home or office. br High gain antenna The AT&t cell booster cellular repeater comes with High Gain outdoor yagi antennas. The signal can be extracted from farther places that can be attracted. One-way Yagi external antennas are designed to reach towers up to 30 miles away. The outdoor antenna should be pointed to the near signal tower to get better reception, download "open signal" app. br Warranty service FCC certification, 30 days refund, The 90-day replacement of defective equipment is provided by BECKY, 2 years manufacturer guarantee, excellent team technical support, If you encounter any problems during the installation process, you can contact us at any time. We will provide you with the best solution.