AT&T Cell Phone Signal Booster Amplifier & Repeater | FCC Approved for 5G 4G LTE Band 12/17 | Covers 4,000 Sq Ft, Easy Setup

Overview

• Brand : ISNMDND
• Wireless Communication Standard : Radio Frequency
• Data Transfer Rate : 700 MHz
• Frequency Band Class : Dual-Band
• Special Feature : Automatic Gain Control

About this item

• 【 AT&T & Multi-Carrier Signal Booster】:Engineered for AT&T's Band 12/17 (700MHz), this cell phone signal amplifier also fully supports T-Mobile, Straight Talk, Cricket, and U.S. Cellular. It is 5G-ready and enhances 4G LTE and 3G signals. Operating on Downlink 728–746MHz and Uplink 698–716MHz, it transforms weak 1-2 bar signals into strong 3-5 bar coverage for areas up to 4,000 sq ft.
• 【 Enhanced Voice & Data Performance】:This cellular repeater boosts both voice and data signals, delivering crystal-clear VoLTE call quality and faster uploads/downloads. Eliminate dropped calls and buffering while supporting multiple users simultaneously—all without expensive monthly internet fees.
• 【 Extended 4,500 Sq.Ft Coverage & Device Compatibility】:Featuring a powerful directional antenna, this signal booster provides stable coverage across up to 4,000 sq.ft. It is compatible with all iOS, Android, and Windows devices, making it ideal for streaming YouTube, Netflix, and TikTok in homes, offices, rural areas, and metal-building dead zones.
• 【 65dB Gain & Simple Installation】:ATT cell booster With advanced features like Automatic Gain Control (AGC), 65dB maximum gain, and self-oscillation elimination, this unit auto-adjusts for optimal performance. The included 50 ft coaxial cable (extendable to 100 ft) allows for quick setup in about 30 minutes.
• 【 FCC Certified & Reliable Warranty】:This FCC-approved Phone signal booster is built with high-quality materials for dependable operation. It comes with a 30-day money-back guarantee, 3-year manufacturer warranty, and lifetime technical support, ensuring long-term peace of mind.