Cell Phone Signal Booster for Home Office Basement RV, Covers 4,000 sq ft, Supports 4G 5G LTE for All US Carriers - Verizon, AT&T, T-Mobile & More, Built-in Indoor Antenna, APP Support, FCC Approved

[Universal Carrier Compatibility] Works seamlessly with all major US networks! Supports frequency bands 2, 4, 5, 12, 13, 17, and 25, ensuring full compatibility with Verizon, AT&T, T-Mobile, and more. It supports 2G, 3G, 4G, and 5G signals. [Intuitive Visual Control] Features a touchable LCD screen that displays real-time signal strength and working status of each frequency band. Easily adjust the gain settings according to your signal environment for optimal performance. [Aesthetic Design Compatible with Home Decoration] With an innovative built-in antenna design. Simply place it on your desk without drilling holes, preserving your home decor while providing powerful functionality. [Powerful Signal for Multiple Users] Boasts a 70dB gain, effectively boosting weak 1-bar signals to 3-4 bars. Supports multiple users and devices simultaneously, perfect for both family use and business needs, ensuring smooth calls, video streaming, and fast data speeds. [Reliable Warranty & Support] FCC certified （YYOF40PH-US59）for quality assurance. Enjoy a 30-day money-back guarantee, 3-month replacement policy, and 2-year manufacturer warranty for worry-free purchase.