Bluetooth
USB ID 0cf3:311d · Qualcomm Atheros Communications
| Vendor | Qualcomm Atheros Communications |
|---|---|
| Vendor ID | 0cf3 |
| Device ID | 311d |
| Windows hardware ID | USB\VID_0CF3&PID_311D |
| Linux modalias | usb:v0CF3p311D |
| Linux driver | ath3k |
Frequently asked questions
Which device has USB ID 0cf3:311d?
USB ID 0cf3:311d is “Bluetooth” made by Qualcomm Atheros Communications (vendor ID 0cf3, device ID 311d).
Which Linux driver supports 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 Bluetooth is in my computer?
On Linux, lsusb -d 0cf3:311d shows the device if it is present. On Windows, open Device Manager, then Properties → Details → Hardware Ids; it appears as USB\VID_0CF3&PID_311D.
How do I see which driver is currently in use?
lsusb -t prints the device tree with the bound driver (Driver=…) for each interface.
Nearby entries
- 3000 – AR3011 Bluetooth (no firmware)
- 3002 – AR3011 Bluetooth
- 3004 – AR3012 Bluetooth 4.0
- 3005 – AR3011 Bluetooth
- 3007 – AR3012 Bluetooth 4.0 (no firmware)
- 3008 – Bluetooth (AR3011)
- 311f – AR3012 Bluetooth
- 7015 – TP-Link TL-WN821N v3 / TL-WN822N v2 802.11n [Atheros AR7010+AR9287]
- 9170 – AR9170 802.11n
- 9271 – AR9271 802.11n
- 9378 – QCA9377-7
- b002 – Ubiquiti WiFiStation 802.11n [Atheros AR9271]