@alphald I used wifi6 5ghz 160mhz , and it shows 1200/1200 wifi speed in win10. It's no different with lan at fast or speedtest I think it should be at least 70/50 with wifi 5ghz, but it only has...

@Kevin_Z Thank you for reply. I have tried as you said (disable and reboot)，and nothing changed. I also tried twt, zero wait dfs,wmm,nat,upnp...etc before Another thing, when I turned off dlna in...

@Eddyrrm I also find this problems. I had changed c2300 to ax73，and usb sharing speed (50 r/w) dropped to (45/20 r/w). when I use lan cable ,it has 90/60