On Wed, Jul 10, 2019 at 7:56 PM eric--- via Shop-talk <shop-talk at autox.team.net> wrote: > > I am also curious about what these standards are. Does this help? https://www.2mcctv.com/blog/2019_02_17-tvi-vs-cvi-vs-ahd-vs-cvbs-vs-sdi-security-cameras/ Jeff Scarbrough Corrosion Acres, Ga.