https://blog.wongcw.com/2020/01/07/%e8%8f%af%e7%82%ba5g%e5%b9%b3%e6%9d%bf%e9%85%8d%e7%bd%ae%e6%9b%9d%e5%85%89%ef%bc%9a%e9%9b%99%e7%89%88%e5%a4%a7%e5%b1%8f120hz%e9%9a%94%e7%a9%ba%e6%89%8b%e5%8b%a2/