Driver: Atheros Ar5b22

Some users report that the AR5B22’s Wi-Fi latency improves when Bluetooth is disabled. To do this via the driver:

sudo rmmod btusb
sudo rmmod ath3k
echo "blacklist ath3k" | sudo tee -a /etc/modprobe.d/blacklist-ath3k.conf

Reboot. The Wi-Fi driver (ath9k) remains active. atheros ar5b22 driver

Reboot immediately. You should now see "Qualcomm Atheros AR946x Wireless Network Adapter" and "Qualcomm Atheros Bluetooth 4.0." Some users report that the AR5B22’s Wi-Fi latency

Identify device:

Enable driver:

Firmware:

Troubleshooting:

For older kernels/hard-to-find chips:

Before downloading drivers, it is crucial to understand the hardware inside the card. The AR5B22 is actually based on the Qualcomm Atheros AR9462 chipset. Reboot

Bluetooth: Integrated Bluetooth 4.0 + HS (High Speed).

Form Factor: Half-size Mini Card (often ships with a full-size bracket adapter).