AR3012 Bluetooth

USB ID 0cf3:311f · Qualcomm Atheros Communications

VendorQualcomm Atheros Communications
Vendor ID0cf3
Device ID311f
Windows hardware IDUSB\VID_0CF3&PID_311F
Linux modaliasusb:v0CF3p311F
Linux driverath3k

Frequently asked questions

Which device has USB ID 0cf3:311f?

USB ID 0cf3:311f is “AR3012 Bluetooth” made by Qualcomm Atheros Communications (vendor ID 0cf3, device ID 311f).

Which Linux driver supports AR3012 Bluetooth?

In Linux kernel 6.12 the device is bound to the driver ath3k (source under drivers/bluetooth). The driver is normally loaded automatically when the device is detected.

How do I check whether AR3012 Bluetooth is in my computer?

On Linux, lsusb -d 0cf3:311f shows the device if it is present. On Windows, open Device Manager, then Properties → Details → Hardware Ids; it appears as USB\VID_0CF3&PID_311F.

How do I see which driver is currently in use?

lsusb -t prints the device tree with the bound driver (Driver=…) for each interface.

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