Startechcoms ds series cat5 digital signage broadcaster with rs232 serial and audio offers a comprehensive audio and video extension system with the added benefit of serial control compatible with virtually any vga capable pc or digital signage media player the ds128 vga splitter lets you deliver vga video as well as the accompanying audio and serial control signals to the connected cat5 vga receivers dsrxl purchased separately all through one cat5 cable comprised of this unit