0a5c:21d7 — BCM43142 Bluetooth 4.0
Broadcom Corp.
- Vendor ID
- 0a5c
- Product ID
- 21d7
- Combined
- 0a5c:21d7
- Decimal
- 2652:8663
What is this device?
This is the USB identifier for a BCM43142 Bluetooth 4.0 manufactured by Broadcom Corp.. The vendor ID 0a5c is registered to Broadcom Corp. with the USB Implementers Forum, and 21d7 is the product ID that Broadcom Corp. assigned to this particular model. When you run lsusb on Linux, this device appears as 0a5c:21d7 Broadcom Corp. BCM43142 Bluetooth 4.0.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 0a5c:21d7 Broadcom Corp. BCM43142 Bluetooth 4.0
You can filter directly with lsusb -d 0a5c:21d7, or get the full descriptor dump with lsusb -v -d 0a5c:21d7. Kernel messages from dmesg show the same pair as idVendor=0a5c, idProduct=21d7.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_0A5C&PID_21D7 USB\VID_0A5C&PID_21D7&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_0A5C&PID_21D7"
macOS
$ system_profiler SPUSBDataType
BCM43142 Bluetooth 4.0:
Product ID: 0x21d7
Vendor ID: 0x0a5c (Broadcom Corp.)Driver help
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.
Raw usb.ids entry
The exact lines this page is generated from, in the upstream source file:
0a5c Broadcom Corp. 21d7 BCM43142 Bluetooth 4.0