https://www.szceres.com/influence-of-wifi-router-for-home-on-network-speed.html
The speed of WiFi router for home is mainly related to the following factors:
Ⅰ. It is related to how many megabytes of broadband. 50 megabytes of broadband is certainly not able to provide 100 megabytes of speed.
Ⅱ. If it is FTTH, then it is related to whether the connection line from optical cat to the router is Gigabit. If it is a 100-megabyte cable, even if the broadband is more than 100M, the actual use speed will not reach 100M.