Setup WiFi speed limit on SSID not by client

Hi all, I'm using GL-MT3000, and I would like to know if anyone can set up the SSID to limit the speed instead of going through each client and setting the speed limit from the clients tab.

Please try install the third-party plugin SQM in the GL GUI > Application > Plugins, and use it in the Luci:

https://openwrt.org/docs/guide-user/network/traffic-shaping/sqm