• AHD (Analogue High Definition) CCTV is the new standard format or CCTV surveillance equipment which was released in 2015 which typically uses coaxial cable with BNC connections. As you may know traditional analogue CCTV equipment worked on TV Lines (TVL) to determine the capture and output resolution up to a maximum resolution of WD1/960H (960x576 pixels).

    However the newer AHD format allows much greater resolutions, at the time of writing this article, up to full HD at 1920x1080 pixels or 2.4MP. A 720p AHD camera is roughly equivalent to a 1000TVL analogue camera. The upper limits of AHD have yet to be fully revealed, but for now up to 1080p is a significant improvement over the original analogue format.

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