Boost weak GSM, DCS, 3G, 2G (900/1800/2100MHz) & LTE signals instantly with this high-performance triband repeater. Precision-engineered internal amplifiers ensure stable connectivity in remote offices, basements, or rural areas. Military-grade aluminum alloy housing dissipates heat efficiently during prolonged use. Features automatic gain control to prevent oscillation interference. Ideal for warehouses, construction sites, or multi-story homes needing reliable mobile coverage. FCC-certified components guarantee safe operation. Ships with professional-grade N-type connectors for maximum signal retention. Compatible with all major carriers" frequency bands.