The WiFi Networking Book: WLAN Standards: IEEE 802.11 bgn, 802.11n , 802.11ac and 802.11ax: Colbach, Gordon: 9781073328420: Amazon.com: Books
Amazon.com: WiFi Wireless Router, 3 in 1 AP Access Point Conform IEEE 802.11 BGN Standard Wireless Router 300Mbps Superspeed for Home for Office US : Electronics