Atheros Ar5b22 Driver [updated] Jun 2026

Select "Browse my computer for driver software" 1.2.3 .

This involves disabling Core Isolation (Memory Integrity) and may reduce system security.

: Bluetooth often requires a separate driver from the Wi-Fi. In some desktop setups, you must connect a specific cable to a USB 2.0 header on the motherboard for Bluetooth to function.

Then check the driver:

| Feature | Status for AR5B22 | | :--- | :--- | | | ath9k (built-in, open source) | | Windows driver | OEM / Qualcomm (not inbox) | | No proprietary firmware | ✅ Yes (rare advantage) | | Monitor mode | ✅ Full support | | Packet injection | ✅ Excellent support | | 5 GHz support | ✅ Yes | | Bluetooth 4.0 | ✅ Yes (separate driver on Windows) | | Plug & play on Linux | ✅ Yes | | Plug & play on Windows 10/11 | ❌ No (requires manual install) |

802.11a/b/g/n (Dual-band 2.4 GHz and 5 GHz) Maximum Wi-Fi Speed: Up to 300 Mbps Bluetooth Version: Bluetooth 4.0 HS (High Speed) Interface: Mini PCI Express Security Protocols: WEP, WPA, WPA2, WPS

driver package to ensure both the 2.4GHz and 5GHz bands function correctly. atheros ar5b22 driver

Atheros reference driver available, but not maintained by Microsoft.

The AR5B22 was widely used in laptops from major manufacturers, and its drivers are compatible with many operating systems:

struct ath_hw *ah = sc->sc_ah; struct ath9k_hw_cal_data *caldata = ah->caldata; Select "Browse my computer for driver software" 1

Flawless native support.

The AR5B22 is generally well-supported on Linux through the open-source ath9k driver, which is included in most modern kernels. However, you may need to install non-free firmware for full functionality.

Windows 10 is the sweet spot for this card. Here is the proven method to get both Wi-Fi and Bluetooth working. In some desktop setups, you must connect a