4G Cellular Amplifier 900/1800/2100 Tri-Band Signal Repeater
Boost weak cellular signals instantly with this high-performance tri-band repeater, covering GSM/DCS/WCDMA frequencies (900/1800/2100MHz) for seamless 2G/3G/4G connectivity. Precision-engineered with ultra-low noise amplifiers and dual-stage filtration to eliminate interference, ensuring crystal-clear calls and faster data speeds. Durable aluminum alloy housing with advanced heat dissipation design guarantees stable performance in extreme conditions—ideal for homes, offices, warehouses, or remote areas with poor reception. Easy plug-and-play setup with adjustable antennas for targeted coverage up to 2,500 sq ft. Upgrade your network reliability with industrial-grade components and FCC-certified safety—no dropped calls, no buffering, just uninterrupted connectivity at the best wholesale price.