Thanks for the reply, I was worried it was going to be the cables... before installing I'd tested them all indoors (pointing to a corner so barely any movement) with factory made patch cables and there were no issues. I purchased exterior cable for the install and went for the one that was gel...
I recently purchased an installed an Annke 4k NVR (N48PAW) and 4 x Annke C800 (i91BM) 4k cameras.
The system has been installed with cat 6 external grade cable (copper 23AWG) and terminated using pass through RJ45 connectors - as the external cable is also suitable for direct burial it was...