https://blog.wongcw.com/2019/10/25/%e5%8c%97%e4%ba%ac%e7%a7%bb%e5%8b%95%e5%b7%b2%e5%bb%ba%e8%a8%ad%e8%bf%915000%e5%80%8b5g%e5%9f%ba%e7%ab%99%e5%b9%b4%e5%ba%95%e4%ba%94%e7%92%b0%e5%85%a7%e5%85%a8%e8%a6%86%e8%93%8b/
北京移動已建設近5000個5G基站年底五環內全覆蓋