112a:0001 — RedRat3 IR Transceiver

RedRat

Vendor ID: 112a
Product ID: 0001
Combined: 112a:0001
Decimal: 4394:1

What is this device?

This is the USB identifier for a RedRat3 IR Transceiver manufactured by RedRat. The vendor ID 112a is registered to RedRat with the USB Implementers Forum, and 0001 is the product ID that RedRat assigned to this particular model. When you run lsusb on Linux, this device appears as 112a:0001 RedRat RedRat3 IR Transceiver.

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 112a:0001 RedRat RedRat3 IR Transceiver

You can filter directly with lsusb -d 112a:0001, or get the full descriptor dump with lsusb -v -d 112a:0001. Kernel messages from dmesg show the same pair as idVendor=112a, idProduct=0001.

Windows

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

USB\VID_112A&PID_0001
USB\VID_112A&PID_0001&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_112A&PID_0001"

macOS

$ system_profiler SPUSBDataType
    RedRat3 IR Transceiver:
      Product ID: 0x0001
      Vendor ID: 0x112a  (RedRat)

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:

112a  RedRat
	0001  RedRat3 IR Transceiver