The Guntermann & Drunck Twin-DVIVision-AR-CPU KVM twin transmitter, A1110073 has now been superseded to two of the DVI-Vision-CAT-AR-CPU A1110167, please Click on the link below to take you to the new specifications and data sheet
http://www.omniotech.com/gd-dvi-vision-cat-a1110167-pr-2227.php
The added advantages are as follows:
Audio and Serial as standard
Operational On-Screen Display
Pro-active system Monitoring & Web Interface as standard
Optional Rack Mount kit