Wifi on my Laptop stopped working recently. Looks like a hardware failure. So in a hurry I bought a TP Link AC600 (chip is Realtek RTL8811AU) and installed the driver from the AUR. It works, but the connection/data rate seems to be rather unstable, although the distance between the laptop and the router is just about 3 meters.
I upload a lot of large videos almost every day and therefore need a good connection. So, can anybody recommend a Wifi stick that is rather small (no huge antennas) and works well on Linux, especially on 5Ghz?
Hardware recommendations is generally 
upon.
If you search the internet using keywords like Kali compatible wifi stick you should get an idea of what to look closer at.
But especially for WiFi adapters I usually make an exception - because if they work - and this requires that chipset doesn’t change, which often happens for USB WiFi adapters (check firmware versions) - the fact that they work will not change.
I won’t recommend one over another - in fact I have a few myself - one of which requires a special driver (TP-LINK Archer T2U MT7610U requires special build) and another which works OOB - but is very - very hard to get - it took me three weeks to find the excact speciment (TP-LINK TL_WN722N 2.4G fw v1.x so falling outside your scope).
There is a list on Github to check out GitHub - morrownr/USB-WiFi: USB WiFi Adapter Information for Linux
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Recommendations are always difficult for “Linux+Wifi” (especially usb devices), but I had a good experience with “AX200” chipset from intel. Works good out of the box and support 2.4 and 5 Ghz. But it is a card and not usb. You can replace your internal one with that one.
I use a FRITZ!WLAN AC 860 which works out of the box. The Kernel has all drivers that are needed and the connection is good a few rooms away from the router. But I don’t know if it works well with other routers than a FritzBox.
Thx so far, everybody!
@megavolt Intel sounds good, my internal one is Intel and it worked pretty well. But I’m not sure if I can really replace it. We’re talking about a Laptop here, not a Desktop. But I will research this 'cause that would be the best solution. You can never have enough free USB ports;-)