INVCALL Cell Phone Signal Booster for Home Office | Boosts 4G LTE & 3G up to 4,500 sq ft for Verizon, AT&T & Sprint | Cell Phone Booster Band 2/4/25 | 70dB Dual Band Cellular Repeater | FCC Approved - Omni Antenna

• 【Say Goodbye to Poor Signal】Cell Phone Signal Booster efficiently amplifies weak signals indoors, allowing you to enjoy smooth network speeds and uninterrupted calls. cell signal booster supports Band 2/4/25. 【Carrier-grade Quality Booster Chip】Designed for the largest U.S. carriers - Verizon, AT&T and Sprint, compatible with 4G LTE 3G networks. With touchable HD screen, real-time feedback on the amplifier’s output power and isolation. 【High-Performance&Large Coverage】Provide maximum signal gain of 70dB, 32X amplify signal, with coverage area of up to 4,500 sq ft.(Please note: coverage area range depends on the outdoor signal level and the building structure of your house.) Support multiple users & cell devices. 【Fast and Easy Installation】All the components which you need to get started are included with the kit you purchase. We also provide window entry cable, cable management tapes and waterproof insulation tapes to help you install cell phone booster better. 【Reliable Service】FCC Approved. INVCALL offers up to 3 years of warranty service, 90-day free replacement, 30-day free return and lifetime free professional technical support. Contact us anytime, anywhere when you need service.