james.wilson Posted May 12, 2016 Posted May 12, 2016 960h is basically widescreen d1. AHD is pretty much open source analogue hd, cvi and tvi are similar but not open iirc hd-sdi is a digital version but needs good coax. All of the above analouge will work past operating distance but loose quality where as digital just stops Quote securitywarehouse Security Supplies from Security Warehouse Trade Members please contact us for your TSI vetted trade discount.
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