The Atlona AT-DVI15SRS is a perfect solution for those who need to extend DVI signal over long distance, over single cat5 or cat6. The Atlona DVI Extenders can handle any resolution up to 1280x1024 at up to 100ft and 1920x1200 up to 50ft. Atlona is the only company that has DVI balun system which is using a single cat5 or cat6 wire at this time.