https://blog.wongcw.com/2020/11/12/wi-fi-6%e9%82%84%e6%b2%92%e6%99%ae%e5%8f%8awi-fi-6e%e5%b0%b1%e4%be%86%e4%ba%86%e8%8b%b1%e7%89%b9%e7%88%be%e6%96%b0%e4%b8%80%e4%bb%a3%e7%84%a1%e7%b7%9a%e7%b6%b2%e5%8d%a1%e4%b8%80%e6%96%87%e8%ae%80/