HDCCTV DIY HD CCTV camera installation 03/02/2014 by Paul | Leave a Comment HD cctv can be carried over coax or across an IP network. The first option is great for CCTV upgrades to HD where you have an existing analogue system and want HD but do not wish to replace all your cable infrastructure. So could you install HD over coax yourself. Well, with the right guidance […] Read more » DIY HD CCTV