If you have to have the USB approach and you don’t want one with extra antennas standing up from it, this is the USB WiFi option that directly provides the maximum capability for your computer and router combination.
https://www.amazon.com/TRENDnet-Wireless-Adapter-Supports-TEW-808UBM/dp/B07C2ZKYSD
You will want to log into your router to make sure it’s using all of its frequencies for this adapter, but it might auto configure.
Your N card is stuck on heavily abused lower frequencies and it has no where to move to without interference from neighbors on all sides.
OK, I appreciate your info, going to check it out in the AM, thanks!