About This Item
Improve your mobile signal strength with this Tri-Band Cell Phone Signal Booster supporting 2G, 3G, and 4G networks on 900MHz, 1800MHz, and 2100MHz bands. Designed with full-duplex dual-port architecture and advanced Automatic Level Control (ALC) technology, it automatically adjusts signal strength for stable and interference-free performance. Equipped with LED indicators for working status and signal conditions, this booster provides coverage up to 150 square meters—ideal for homes, offices, and small commercial spaces. Easy to install with included outdoor and indoor antennas, cables, and power adapter.