Operating System Driver Provider Driver Version; Download Driver: Windows 2000 (32 bit) Qualcomm Atheros Communications: 10.0.0.815 Download Driver. Qualcomm Atheros Killer drivers for MS Windows On this page you will find all the information we know about Qualcomm QCA61x4A 802.11ac Wireless Adapter. In our database under this name you will find a total of 2 unique identification strings (hardware ID). Install Atheros Qualcomm QCA61x4A Wireless Network Adapter driver for Windows 8.1 x64, or download DriverPack Solution software for automatic driver installation and update. Qualcomm Atheros QCA61X4A Bluetooth/Wireless Network Adapter Drivers JUMP TO DRIVERS DOWNLOAD The Qualcomm Atheros QCA61X4A Bluetooth/Wireless is a High performance 2x2 dual-band 802.11ac Wi-Fi with MU-MIMO and Bluetooth 4.2 radios in a single-chip solution. The drivers are below for this device.