0fd9:0021 — EyeTV DTT
Elgato Systems GmbH
- Vendor ID
- 0fd9
- Product ID
- 0021
- Combined
- 0fd9:0021
- Decimal
- 4057:33
What is this device?
This is the USB identifier for a EyeTV DTT manufactured by Elgato Systems GmbH. The vendor ID 0fd9 is registered to Elgato Systems GmbH with the USB Implementers Forum, and 0021 is the product ID that Elgato Systems GmbH assigned to this particular model. When you run lsusb on Linux, this device appears as 0fd9:0021 Elgato Systems GmbH EyeTV DTT.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 0fd9:0021 Elgato Systems GmbH EyeTV DTT
You can filter directly with lsusb -d 0fd9:0021, or get the full descriptor dump with lsusb -v -d 0fd9:0021. Kernel messages from dmesg show the same pair as idVendor=0fd9, idProduct=0021.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_0FD9&PID_0021 USB\VID_0FD9&PID_0021&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_0FD9&PID_0021"
macOS
$ system_profiler SPUSBDataType
EyeTV DTT:
Product ID: 0x0021
Vendor ID: 0x0fd9 (Elgato Systems GmbH)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:
0fd9 Elgato Systems GmbH 0021 EyeTV DTT