The HiBoost Home 15K is the most advanced home cell phone signal booster in USA & Canada. With up to +70 dB gain of amplification (uplink: 24 dBm, downlink: 12 dBm), it greatly enhances 3G & 4G LTE cell service for all your wireless devices (smartphones, notebooks, hotspots, etc.) on any US & Canadian carrier indoors up to 15,000 sq ft.