B20 800/900/1800/2100MHz Quad-Band GSM/3G/4G LTE Signal Booster – Enhanced Connectivity Anywhere
Premium-grade aluminum alloy casing with advanced heat dissipation design for durability and stable performance. Precision-engineered dual external antennas for maximum signal capture, reducing dropped calls and slow data speeds in weak coverage areas. Supports all major frequency bands (B20, 800/900/1800/2100MHz), compatible with 2G, 3G, and 4G LTE networks for seamless connectivity in rural homes, offices, or basements. Plug-and-play setup with low-noise amplifier technology, boosting signals up to 32dB without interference for crystal-clear calls and faster streaming. Ideal for remote worksites, multi-story buildings, or vehicles needing reliable mobile network reinforcement. Certified FCC/CE standards for safety and efficiency—trusted by telecom professionals worldwide.