Gennum's HD OfferingBy John Honovich, Published on Jun 02, 2009
For HD cameras, see Gennum's HD over Coax for Surveillance announcement from a few months ago. The solution is called Aviia [link no longer available].
Avilia offers 1080p / 30 fps Serial Digital video up to 100 meters with Power and data over Coax. However, maximum distance specified for this solution using RG-59 is 100 meters compared to 300 meters for traditional analog CCTV.