AT&T Airties Air 4921 Smart Wi-Fi Extender Wireless Access Point 1600Mbps Dual Band 3x3 802.11ac Seamless connectivity: Expand your home Wi-Fi coverage and reduce signal weak spots and dead zones. The AT&T Smart Wi-Fi Extender utilizes state-of-the-art mesh technology to expand your home Wi-Fi and cover locations with a weak Wi-Fi signal. Requires AT&T Internet subscription with a 5268AC, BGW210, BGW320, or NVG599 Wi-Fi gateway. Selling on Amazon for $190