Boost weak signals instantly with the Guangdong Digital Cellphone Signal Booster, engineered for 2100 MHz frequency to enhance 3G and 4G networks. Its high-frequency power amplifier ensures stable connectivity in remote areas, basements, or offices with thick walls. Precision-crafted aluminum alloy housing dissipates heat efficiently while the rugged design resists wear. Compatible with Jio networks, this repeater features a low-noise circuit for crystal-clear calls and seamless streaming. Ideal for homes, vehicles, or commercial spaces needing reliable mobile coverage. Ships ready for plug-and-play installation with industrial-grade coaxial cables included.