Before revision: Since the coaxial cables originally used for the analog system has significant unused data spectrum available, it is a simple matter to just replace the camera and the recorder to obtain nearly seven times higher detail (1920x1080 vs 640x480) than the original camera system.
After revision: 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 to obtain nearly seven times higher detail (1920x1080 vs 640x480) than the original camera system.