Greetwin 4 Band CDMA/GSM/LTE/WCDMA Signal Booster
Enhances 2G/3G/4G signals across CDMA 850/1900, GSM 900/1800, LTE 1800, and WCDMA 2100 bands for uninterrupted calls and high-speed data. Features precision-engineered dual-stage amplification with low-noise circuitry, reducing interference for crystal-clear voice and stable connections. Durable ABS housing with heat-resistant coating ensures long-term reliability in extreme indoor/outdoor conditions. Ideal for homes, offices, warehouses, and remote areas with weak carrier coverage—compact design allows discreet window or wall mounting. Plug-and-play setup with auto-adjusting gain control; FCC-certified for safe operation alongside existing networks. Compatible with major carriers (Verizon, AT&T, T-Mobile, etc.)—boosts upload/download speeds without carrier restrictions. Optimized for simultaneous multi-user support, enhancing signals for smartphones, IoT devices, and security systems. Includes high-gain directional antenna for targeted coverage up to 5,000 sq ft, plus 3-year warranty against defects. Global voltage support (100V-240V) with energy-efficient standby mode—ships ready for immediate deployment.