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Question: What is CCTV?
Answer:

Closed Circuit Television, more commonly known as CCTV, is essentially a network of cameras and recording equipment that are all directly linked. It’s called ‘closed circuit’ because the entire network is isolated and operates independently, unlike broadcast television which emits a signal that can be picked up by any receiver. It’s a private and secure way to monitor a room, building or facility and guard against threats like intruders or other on-site incidents.

Any camera that broadcasts a signal can be attached to a CCTV system, whether it’s wired or wireless, but they are most often associated with high-end surveillance cameras. The positioning of said cameras will also be crucial to the overall effectiveness of the CCTV system, with maximum coverage being the top priority. A basic CCTV camera will not come with a lens. A lens must be selected and fitted based on the application and desired viewing angles of the camera in question. The right lens can make all the difference when it comes to balancing image quality with coverage.

Contrary to common belief, CCTV networks don’t have to be connected by wires for them to be ‘closed circuit’. If the application requires it, cameras and monitors can be linked via infrared beams, wireless internet or microwaves. CCTV is commonplace and sometimes required by law, in public places like shopping centres, banks and government establishments. However, the potential scope of CCTV is huge, with many homeowners now choosing to install CCTV on their own property for peace of mind when they’re not home.

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