HD CCTV is a new CCTV megapixel video surveillance system using SDI(Serial digital interface), Which is used by the broadcast industry for transmission of HDTV signals digitally over coaxial cable. Accordingly, instead of costly installation of the IP cameras, the users can achieve HD quality video output conveniently with coax cables. There is no network to set up, no bandwidth issues to deal with. Just replace the existing analog cameras and DVR with HD-SDI cameras and HD DVR.
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