Well, it has been confirmed by Dell that they have intentionally disabled 6GHz support for the AX211 adapter in the XPS 9520.   I'm sure I'm not the only owner that feels like this is very deceptive.  See my thread on Reddit and Intel for additional information. AX210/AX211 not showing 6GHz networks with latest drivers - Intel Communities Is it deceptive that the XPS 9520 has an AX211 adapter, but Dell has disabled its 6GHz support? : DellXPS (reddit.com)
I had an issue with another computer being addressed in the Precision Workstation forums, but thought I would ask for an official answer for my new XPS 9520 here.  Does the XPS 9520 support Wi-Fi6E (6GHz), or has Dell intentionally disabled it?  Theoretically the AX211 factory adapter has Wi-Fi6E (6GHz) capability, but I have been unable to get it to work with my 6Ghz router.   The Dell specifications do not list Wi-Fi6E (6GHz) capabilities, as seen in the below picture.   [IMAGE] Does the Dell XPS 9520 support Wi-Fi 6E (6GHz), has Dell intentionally disabled it's feature in the AX211 wireless adapter, or are the specifications incorrect and need updating? I have read that Dell confirmed to notebookcheck.net that Wi-Fi 6E support has cannot be exploited in the XPS 9520. Dell XPS 15 9520 is 15 to 35 percent faster than XPS 15 9510, lacks Wi-Fi 6E support despite coming with an Intel AX211 - NotebookCheck.net News  
Does the XPS 9520 support Wi-Fi6E (6GHz)?