https://blog.wongcw.com/2023/06/06/%e5%ae%a3%e5%82%b35g%e7%b6%b2%e9%80%9f20gbps%e8%a2%ab%e7%bd%b0%e6%ac%be%e9%9f%93%e5%9c%8b%e4%b8%89%e5%a4%a7%e9%81%8b%e7%87%9f%e5%95%86%e9%80%80%e9%82%8428ghz%e7%89%8c%e7%85%a7/