TP-LINK's Archer C20 comes with the next generation Wi-Fi standard – 802.11ac, backward compatible with 802.11n and 3 times faster than wireless N speeds. With higher power efficiency and robust security, 802.11ac
What Is Wi-Fi 6? (802.11ax)
Wi-Fi 6: Better, faster routers are here -- here's what you need to know - CNET
4 Things You Need to Know About 802.11ac | Cisco Meraki Blog
What is Backward Compatible (Backward Compatibility)?