The R05-MTX-C5E-404 is a 4x4 DVI Matrix Switcher over Cat5e/6 designed to work as a switcher/splitter for multiple video sources and displays. The unit is capable of switching DVI signals up to 150ft with DVI active receivers or up to 50ft with DVI passive receiver using 24 AWG Cat6 cable @1920x1080 among four sources and four DVI displays.