Hi Kevin, Thanks for your info, I did not know that. Unfortunately it does not help. I was already connecting to the 5GHz band in my above experiments, and I have additionally now disabled 2.4GHz...

I have recently bought an Archer T3U(EU) v1.0, which, according to the specs and packaging is USB3.0 capable. However, I can only get the device recognized as a USB2.1 device, no matter where I try...