The DVI/Audio Extender Kit (500390) allows one DVI channel and one line level stereo audio channel to be transmitted to 70m at all resolutions up to 1080p via one (1) Cat 5e/6 cable in a point-to-point configuration.
 
HDBaseT technology
Extends DVI and stereo audio via single Cat5e/6 cable
Up to 70m at all resolutions up to 1080p via one Cat5e/6