I’m willing to use Totolink A650UA with OpenWrt.
According to DeviWiki, it uses the RTL8811CU chipset.
Will the kmod-rtl8xxxu driver work with chipset?
What's the use case?
Use my NAS running OpenWrt in a VM as a wireless access point.
For AP mode, I'd stay away from Realtek.
Any alternatives? Only the Realtek ones are affordable.
There's a reason why they're cheap.
You need to look for another chip maker.
Depends on what makes it tick, if it's cheap, it's probably going to be Realtek 
DL the windows driver, you can figure out the chip by simply looking at the file names in the zip/exe.
If I were to use it (accepting the consequences), what would be the closest kmod drivers to use for it?
are we talking about the AC650 or the other one (link's suddenly broken).
The AC650. I could not find any Mediatek dongles where I live that weren’t too inflated.
AliExpress has some good options, but lead times are too high.
The manufacturers of those devices often change the chip inside (to some other RTL chip),
if I would tell you this or that chip is supported, there's no guarantee it's the actual chip
you'd be receiving inside the unit. ..
And then there's the issue of the AP mode, it's usually not supported by the RTL driver.
You were right. I plugged it in to my Mac, and I confirmed with lsusb that it's actually using an RTL8188GU.
That may be good news, as it's listed in the kmod-rtl8xxxu description that the 8188 series are supported, as opposed to the 8811 I originally thought it was using.
However, even after installing the kmod, I never managed to find it in my wireless interfaces list.
There is no "8188 series", each different chipset variant needs to be supported individually - and there is zero support for RTL8188GU in the current mainline kernel (up to v6.1~).
still stands, and if you have a chance, get rid of the Realtek USB wireless and get something else instead (ideally an OpenWrt supported AP via ethernet, Mediatek mt76 USB if you really have to).
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