Analogue High Definition

Analogue High Definition

Dome 1080p AHD

AHD CCTV stands for “analogue high definition”. It is a new HD surveillance video standard for CCTV cameras and DVRs. AHD currently supports 720p HD resolution,960p HD resolution and 1080p HD resolution. AHD CCTV cameras are connected to AHD DVRs using the same type of coaxial cable as traditional analogue CCTV cameras , typically RG59 or RG6 coax cable. One of the advantages of AHD is that RG59 coax cable can be run long distances without video loss. It can run up to a max distance of 800 feet for AHD cameras. AHD cameras can also use UTP cable with video baluns to run cable up to 320 Meters / 960 feet with CAT5 cable.

AHD seems to address the main issues that held back the other HD security camera types from taking over the analog CCTV market. Pricing on AHD cameras is only slightly more than analogue.

Note however that AHD cameras works only with AHD DVRs unless the DVR is an hybrid that supports Analogue CCTV/AHD/IP


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