Alfa AWUS036ACM (mt7612u) stops working under heavy load in RPi 4

[fakemanhk]

@Alfamale
Finally I had some breakthroughs on using RPi 4B with my USB3 MT7612U WiFi, I created another post for sharing/discussion:

A brief sharing on using Raspberry Pi 4B with high speed USB3 WiFi as AP

I know this is not recommended, but people do have a reason to do it, maybe as a dirty quick solution, and I've seen people asking about this from time-to-time, so I am trying to write-up a bit of my findings here: First of all, the most important thing, picking a well-supported USB WiFi, this is very tricky as most of the USB one on market don't play well with Linux (thanks to Realtek) Here is a post with some tested one, for more detail information about status of various dongles, you can re…