0a12:0001 — Bluetooth Dongle (HCI mode)

This is the USB identifier for a Bluetooth Dongle (HCI mode) manufactured by Cambridge Silicon Radio, Ltd. The vendor ID 0a12 is registered to Cambridge Silicon Radio, Ltd with the USB Implementers Forum, and 0001 is the product ID that Cambridge Silicon Radio, Ltd assigned to this particular model. When you run lsusb on Linux, this device appears as 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle (HCI mode).

Linux

$ lsusb
Bus 001 Device 004: ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle (HCI mode)

You can filter directly with lsusb -d 0a12:0001, or get the full descriptor dump with lsusb -v -d 0a12:0001. Kernel messages from dmesg show the same pair as idVendor=0a12, idProduct=0001.

Windows

In Device Manager, open the device, go to Details → Hardware Ids. This device reports:

USB\VID_0A12&PID_0001
USB\VID_0A12&PID_0001&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_0A12&PID_0001"

macOS

$ system_profiler SPUSBDataType
    Bluetooth Dongle (HCI mode):
      Product ID: 0x0001
      Vendor ID: 0x0a12  (Cambridge Silicon Radio, Ltd)

Having driver issues with this device? Most USB devices are handled by a generic class driver; if yours shows up as an unknown device, confirm the ID above first, then check the manufacturer's downloads page.

The exact lines this page is generated from, in the upstream source file:

0a12  Cambridge Silicon Radio, Ltd
	0001  Bluetooth Dongle (HCI mode)

• 0a12:0002 Frontline Test Equipment Bluetooth Device
• 0a12:0003 Nanosira
• 0a12:0004 Nanosira WHQL Reference Radio
• 0a12:0005 Nanosira-Multimedia

See all 27 devices from Cambridge Silicon Radio, Ltd →