The Triband 800/900/2600 MHz Mobile Signal Booster enhances 2G, 3G, and 4G signals on Band 20, Band 8, and Band 7, covering 1500 SQM and supporting 25-30 users. It features an intelligent LCD display for easy installation, real-time signal strength monitoring, automatic gain control, and power surge protection indicator. Certified by CE, ROHS, CCC, TUV, BV, and ISO, this booster ensures stable connectivity with free and fast shipping.