Before revision: HDcctv (High Definition Closed Circuit Television) is an open industrial standard for transmitting uncompressed high-definition analog or digital video over point-to-point coaxial cable links for video surveillance applications.
After revision: (AHD)HDcctv (High Definition Closed Circuit Television) is an open industrial standard for transmitting uncompressed high-definition analog or digital video over point-to-point coaxial cable links for video surveillance applications.