hcxtools - solution for capturing wlan traffic and conversion to hashcat formats
That depend on the wireless driver (must support full monitor mode, full packet injection and ioctl() system calls).
At last the Atheros driver (ath9k) was completely broken:
https://bugzilla.kernel.org/show_bug.cgi?id=208251
https://bugzilla.kernel.org/show_bug.cgi?id=208579
https://bugzilla.kernel.org/show_bug.cgi?id=208577
Additional there a some more issues:
https://bugzilla.kernel.org/show_bug.cgi?id=207397
https://bugzilla.kernel.org/show_bug.cgi?id=208111
the list is long...

Regarding this issues I can't recommend a device that uses this chipset and wireless driver in combination with hcxdumptool.
Additional I can't recommend high (output) power devices. A low power device and a good antenna is the better choice, because the HF signal is amplified in both directions (rx and tx).
My favorite chipset is MediaTek mt76 series. The driver is well maintained and working out of the box on kernel >= 5.4. The chipset is very sensitive.
https://github.com/openwrt/mt76
https://github.com/nbd168/wireless

Please notice:
It is important that the wireless driver support monitor mode!
It is important that the wireless driver support full packet injection!
It is important that the wireless driver support ioctl() system calls (not NETLINK messages)!
When all this conditions are met, hcxdumptool will work.

You can compare "hcxdumptool and wireless drivers" to "hashcat and GPU drivers".
Missing drivers or running deprecated drivers will cause both tools not to work.
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Messages In This Thread
wlandump-ng vs hcxdumptool - by hulley - 02-10-2018, 10:26 PM
RE: hcxtools - solution for capturing wlan traffic and conversion to hashcat formats - by ZerBea - 07-23-2020, 08:18 AM