Ar5b22 Driver — Atheros

The Ultimate Guide to the Atheros AR5B22 Driver: Installation, Troubleshooting, and Optimization

Since Qualcomm (who acquired Atheros) doesn't host consumer-facing drivers directly, your best bet is to look at the official support pages for the laptop manufacturers that used this card:

• The "Qualcomm" Confusion: This is the biggest headache. The hardware was originally Atheros, which was bought by Qualcomm. As a result, Windows Update often gets confused. It might try to install a generic "Qualcomm Atheros" driver that doesn't quite match the specific AR5B22 chipset, leading to "Device Cannot Start (Code 10)" errors.
• Slow Wi-Fi Standard: The drivers cannot overcome the hardware limitations. This is an 802.11n card (Wi-Fi 4). In the age of Wi-Fi 6 and Wi-Fi 7, this card is slow. If you have high-speed internet (>100Mbps) or need low latency for gaming, no driver update will fix the hardware bottleneck.
• 2.4GHz Only (Mostly): While it supports dual-band, the drivers and antenna setup on many laptops struggle to maintain a solid 5GHz connection compared to modern Intel AX series cards.

# Makefile for AR5B22 driver feature obj-m += ar5b22_feature.o ar5b22_feature-objs := ar5b22_driver.o atheros ar5b22 driver