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High Definition Composite Video Interface (HDCVI) is Dahua’s patented in-house technology.
HDCVI is an over-coaxial cable video standard that enables long-distance HD video transmission over a wide range of applications and now supporting up to 4K ultra high definition resolution with 4 times the pixels of 1080P
HDCVI technology can simultaneously transmit 4 signals (audio, video, data, and power) over 1 coaxial cable, offering high resolution video, support audio input or built-in mic, and communicate with the HCVR through control signals.
HDCVI technology guarantees long-distance transmission
Based on real-world scenario testing in Dahua's test laboratory, it supports the following distances at the corresponding resolutions - see chart below