installation dahua

Hi, I am currently running RG59 coax cable for 9 Dahua Ultra series 2MP starlight cams. They are great cams! I am starting to pick up video signal issues (loss of signal, ground loop looking interference such as rolling lines etc) due to some of the cables that run under ground in conduit most...

I'm working with someone else on this forum to do a ground up install to help monitor a large Church. Objective being having historical footage if an incident but also for triggering during and after Church with someone on duty to "eagle eye" suspicion. Last thread I saw went into ip systems...