The DVI CAT5 extender extends your PC DVI transmission distance up to 70 meters through a simple Cat5 cable. The possible resolutions depend on the extended distance.
DVI-D extension over Cat5 cable - Supports max. resolution up to 1920x1200 pixels at a distance of 50m - Supports max. distance up to 70m at a resolution of 800x600 pixels - No external power supply needed