@QubitLoop I'm actually using the 1.3.4 Build 20200512 firmware's version. I haven't noticed any improvement over the previous release. I'm seriously disappointed. I've had these problems for two...

@Emitplink Done. I'm sorry, I suspected it...

@Kreco Thanks. This will be very useful

@AlexRR Of course, for me the question is just an hypothesis.Currently I'm waiting for news from technical support

@Kreco That driver it's specific for usb adapters, so I don't think it will work for me. Anyway your experience makes me believe that the problem is in the Wi-Fi card.

@2MEX2 I've already tried this solution: for a strange reason it works apparently fine for some minutes, then the connection continues to give problems. Below an example of speed test on 5 GHz. It...