https://blog.wongcw.com/2020/09/15/oppo%e5%ae%8c%e6%88%905g-cpe%e7%9a%84%e6%af%ab%e7%b1%b3%e6%b3%a2%e5%a4%96%e5%a0%b4%e6%b8%ac%e8%a9%a6%e4%b8%8a%e4%b8%8b%e8%a1%8c%e5%b3%b0%e5%80%bc%e9%ab%98%e9%81%94210mbps-4gbps/