Elgato EyeTV 500
It is not supported under Linux.
The EyeTV 500 supports both 8VSB and QAM sources, but not NTSC and also lacks A/V input. It has dual RF inputs, dual 1394A outputs, AC adapter (can power from the 1394 or you can use AC wall wort adapter if 1394 is found insufficient), and IR remote included ...
- [ EyeTV 500 product page]