The Ultra Boost 3G & 4G Signal Booster amplifies signals for up to 1500 SQM, supporting 30-35 users on Etisalat, du, and Virgin Mobile networks. It works on Band 20 (800 MHz), Band 3 (1800 MHz), and Band 1 (2100 MHz) for reliable 3G and 4G connectivity. The intelligent LCD ensures easy installation, real-time signal monitoring, and alerts for incorrect setup. With energy-saving auto-dormancy, auto gain control, and power surge protection, it delivers top performance. Enjoy free shipping, a 30-day money-back guarantee, and a 1-year warranty for worry-free use.