066f:4210 STIr4210 IrDA Bridge

SigmaTel, Inc.

Vendor ID
066f
Product ID
4210
Combined
066f:4210
Decimal
1647:16912

What is this device?

This is the USB identifier for a STIr4210 IrDA Bridge manufactured by SigmaTel, Inc.. The vendor ID 066f is registered to SigmaTel, Inc. with the USB Implementers Forum, and 4210 is the product ID that SigmaTel, Inc. assigned to this particular model. When you run lsusb on Linux, this device appears as 066f:4210 SigmaTel, Inc. STIr4210 IrDA Bridge.

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 066f:4210 SigmaTel, Inc. STIr4210 IrDA Bridge

You can filter directly with lsusb -d 066f:4210, or get the full descriptor dump with lsusb -v -d 066f:4210. Kernel messages from dmesg show the same pair as idVendor=066f, idProduct=4210.

Windows

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

USB\VID_066F&PID_4210
USB\VID_066F&PID_4210&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_066F&PID_4210"

macOS

$ system_profiler SPUSBDataType
    STIr4210 IrDA Bridge:
      Product ID: 0x4210
      Vendor ID: 0x066f  (SigmaTel, Inc.)

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:

066f  SigmaTel, Inc.
	4210  STIr4210 IrDA Bridge

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