Gefen N CAT5 DVI Video Extender with Serial $449.00 |  Mfg #: EXT-DVIRS232-CAT5N  |  Item # KM-14953  |  More information  |  Add to Cart Send flawless hi-def video and RS232 signals over two economical CAT-5 cables -- up to 300 feet away. Extending state-of-the-art digital video displays, computer monitors and touch screens has never been easier.

SmartAVI CAT5 DVI Video Extender with Audio and Serial $449.00 |  Mfg #: DVX-PROS  |  Item # KM-40127  |  More information  |  Add to Cart Extends any DVI-D signal, full duplex RS232 and stereo sound up to 250ft away with CAT5 cable. Transmitter and receiver included.