Analog CCTV cameras are available in a wide variety of formats and performance specifications. The highest resolution for analogue CCTV cameras about 650TVL.
A more cost effective solution, analogue cameras also perform better in outdoor applications, low light conditions and other indoor installation areas where natural day to night lighting varies significantly. Examples of such locations include main entrances and rooms with wide windows.
Analogue cameras may also be preferred in installations where longer cable run distances are required.