Tri-Tek features HD-SDI HDcctv technology?from Versiton and Wonwoo. HD-SDI allows viewing resolution of up to 1080p using analog cameras over RG59 cable at distances of at least 100M.
Perfect for upgrading existing cctv surveillance systems, HDcctv does not require significant modification?to existing?infrastructure for which extensive cabling and labor was invested for installation of the original analog system. Since the coaxial cables originally used for the analog system have significant unused data spectrum available, it is a simple matter to just replace the camera and the recorder with new HD-SDI HDcctv cameras and DVR to obtain nearly seven times higher detail (1920x1080 vs 640x480) than the original camera system.
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