Expand Wi-Fi coverage & reduce dead zones. Extender utilizes state-of-the-art mesh technology to cover weak signal. Adding to network increases coverage up to 1,000 sq. ft. & reduce network congestion. Requires AT&T subscription with Wi-Fi gateway; not compatible with Fixed Wireless Internet. Automatically selects best/fastest available connection for device. Simple setup, only takes few minutes to get connected. Smart Extenders work with Smart Home Manager app to personalize & manage network, connected devices, identify weak signal locations, & determine how many Extenders are best. The app can guide extender setup, and is free on App Store/Google Play. The Extender works with the latest gateway models: 5268AC, BGW210, BGW320, NVG599. To find the model, look on the front of your gateway. Guidelines based on home size: 2,000-3,000 sq ft or 2 floors: 1 Extender. 3,000-4,000 sq ft or 3 floors: 2 Extenders. More than 4,000 sq ft: 3 Extenders. Physical obstructions/layout may impact Wi-Fi signal. 1600Mbps dual-band concurrent wireless mesh access point. Wireless Connection: 1300AC + 300N Mbps dual-band wireless AP compliant with 802.11ac & 802.11n standards. 2 Gigabit Ethernet LAN, Power; Both Ethernet ports may be used for back haul to gateway or front haul to client devices. Compatible with 802.11a/b/g wireless standards. WPA2/WPA-Enterprise/Personal. WPS Button for setup and secure connection with supported wireless devices.