802.11AC 1T1R 600Mbps Realtek Rtl8811au High Speed USB Wirelss WiFi Module for Android TV Box - China USB WiFi Module, 802.11AC WiFi Module | Made-in-China.com
WiFi 802.11 ac vs ax vs ad: it's a choice of speed over distance - Dignited
CF-E455AC 1200Mbps High Speed Ceiling AP 2.4G&5.8G Dual Band 802.11AC Gigabit Indoor Access Point WiFi Repeater/Router MU-MIMO - AliExpress
IEEE 802.11 - Wikipedia
The First Devices and Routers with WiFi 802.11ad Delivering Up 7Gbit/s Transfer Rates at 60 GHz Will Be Available This Year - CNX Software
Built for Speed: IEEE Standard 802.11ax - IEEE Innovation at Work