Boost weak signals instantly with our high-power GSM/DCS/3G Tri-Band Signal Repeater, covering up to 500 square meters. Crafted with precision-engineered circuitry and premium-grade components for stable, interference-free amplification. Ideal for offices, warehouses, or remote homes with poor network reception. Features advanced noise reduction technology and durable metal housing for long-term reliability. Compatible with major carriers, ensuring seamless calls and faster data speeds. Ships globally at unbeatable wholesale prices.