Boost weak signals instantly with this high-performance 2G/3G/4G cell phone amplifier, featuring dual-band 900/1800MHz coverage for wider compatibility. Engineered with premium-grade internal components and precision-tuned circuitry for stable 33dBm output power. The rugged aluminum alloy housing ensures heat dissipation and durability in extreme conditions. Ideal for remote offices, basements, warehouses, or vehicles where cellular signals are unreliable. Our wholesale pricing allows bulk buyers to equip entire buildings at unprecedented value. FCC-compliant design guarantees interference-free operation alongside existing networks. Ships ready for professional installation with all necessary mounting hardware included.