- Part of the DKM HD Video and Peripheral Matrix Switch System of transmitter and receiver interface cards and housings. - Works over CAT5e or CAT6 cabling. - Receiver mainboard unit that can be installed in the DKM Modular Housing Chassis. - Supports DVI-D video signals with USB HID devices. The DKM HD Video and Peripheral Matrix Switch System is comprised of modular housing chassis with 2, 4, 6, or 21 slots and transmitter and receiver interface cards. The DKM extender setup provides the widest range of possible combinations, which makes it easy to customize for your specific application. These new DKM components are part of a modular system. You will need to contact Black Box to have them assembled to fit your application. To configure your DKM setup, call our FREE Tech Support.