Download Driver Qualcomm Atheros Ar5bwb222 Wireless Network Adapter Win8.Qualcomm Atheros QCA61x4/QCA9377 Wireless Network Adapter. DownloadsQualcomm Atheros Wireless LAN Driver EXE Operating. If the driver is already installed on your system, updating (overwrite-installing) may fix various issues, add new functions, or just upgrade to the available version. The package provides the installation files for Qualcomm Atheros AR5BWB222 Wireless Network Adapter Driver 10.0.0.341.