The device ID is not correctly mapped. Solution: In OpenCore, ensure your config.plist includes pci168c,34 (the PCI vendor/device ID for AR5B22). Also, disable any AirportBrcmFixup.kext that may be conflicting.
Because the card splits duties between Wi-Fi and Bluetooth, a missing or broken Bluetooth driver leaves half the card useless.
: The card is highly recommended for Linux users because it works "out of the box" with the open-source ath9k driver, though the Bluetooth component still requires a non-free firmware "blob". atheros ar5b22 driver
: Users report significant improvements over single-band cards, with stable 5GHz connections achieving speeds up to 300Mbps.
if (chains == 0) return;
Here is detailed information regarding the wireless adapter and its driver support across different operating systems.
Generally supported natively via the open-source ath9k kernel module. How to Download and Install the Driver The device ID is not correctly mapped
For a $10 used card, the value proposition is still strong—as long as you have the right driver.
If you need a Wi-Fi card for: