The VGA to DVI Converter/Extender converts analog VGA into a digital DVI signal that can be extended up to 1,640 feet (500 meters) using single-strand (simplex) multimode SC fiber optic cable.< br>< br> The Converter/Extender system has two components: the VGA converter/transmitter, which connects to the VGA source and also supplies video to a local VGA display, and an ST-1FODVI-R-SC500M receiver that connects to a remote DVI monitor. The units are interconnected by a single-strand multimode SC fiber optic cable. < br>< br> For more information, visit < a href="http://www.networktechinc.com/vga-dvi-fiber.html">http://www.networktechinc.com/vga-dvi-fiber.html< /a>