The ST424HDBT HDMI Matrix Switch and Cat5 extender is an all-in-one digital signage solution that enables you to extend four distinct HDMI audio/video sources up to 230ft (70m), to four remote displays using STHDBTRX receiver units (sold separately). Matrix switching allows each of the remote displays to output and switch between any of the video sources. The switch extends HDMI using standard Cat5e/6 Ethernet cable with RJ45 connectors, allowing you to use your existing cabling infrastructure, with no added cost in specialized cabling or connectors. Plus, because the HDMI extender also allows for matrix switching in one easy-to-use and clutter-free device, it eliminates the expense and hassle of running multiple devices. The HDMI matrix extender ensures hassle-free operation with serial or Ethernet control. For local operation, the HDMI switch also includes a remote control, and easy-to-use front panel buttons that allow you to toggle between video sources. Ideal for High-Definition applications, the matrix switch supports 1920x1200/1080p video resolutions and digital audio. Plus, built-in EDID monitor emulation ensures native resolution and maximum compatibility with your display or projector, for a convenient plug-and-play installation. For a complete end-to-end solution, the switch also extends Infrared using the IR extender and receiver cables included with the STHDBTRX receiver units (sold separately). The ST424HDBT is is backed by a StarTech.com 2-year warranty and free lifetime technical support.