960H Security DVRs
Six basic CCTV security DVR technologies exist in todays CCTV surveillance markets.
HD-SDI (High Definition Serial Digital Interface)
AHD (Analog High Definition)
HD-CVI (High Definition Composite Video Interface)
HD-TVI (High Definition Transport Video Interface)
As with any technology there are advantages and disadvantages for each.
Read to explore the pros and cons on any particular security dvr technology.