I still have the same problem, on the test firmware and the current stable 1.2.2 Build 20230803 rel.35127(4555) I can't have full speed by wifi, even whnemy wifi card cegoztioaton speed link...

@woozle I did that, and is the same issue

Can someone help?

@Sunshine The wired speed 500Mbps/500Mbps was tested when connecting directly to your modem, or to the Archer AX55 Pro? Yes, the cable connection is full speed through the router AX55 Pro, on cable...

@yavuzy No interference, other networks are on separate channels. There is no QoS and parental control enabled

I have a symmetrical internet connection, 500 Mbps / 500 Mbps When testing over the cable, the speed is always there 500 Mbps / 500 Mbps During the tests after WiFi 5Ghz is 280 Mbps / 500 Mbps Only...