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The Evolution of CCTV: From Analogue to IP

Closed-Circuit Television (CCTV) has been an essential tool for security and surveillance since 1942. Over the years, the technology behind CCTV has evolved, leading to improved image quality and more advanced features. The transition from analogue to IP-based video surveillance systems is one of the most notable changes in the history of this technology.

Why the transition from analogue to IP?

Analogue CCTV systems were the standard for many years as they were reliable and therefore widely used. However, as technology advanced and the demand for better image quality and more advanced features increased, analogue systems became outdated. IP-based systems offer several advantages over analogue systems, including higher resolution images, greater flexibility, and improved scalability.

Benefits of IP-based CCTV systems

One of the main advantages of IP-based systems is the ability to transmit high-quality digital images over the Internet. This allows for remote viewing of live footage from anywhere in the world, as well as easier integration with other technologies, such as computers and the internet. IP-based systems offer high-resolution images that are clearer and tend to be more detailed than those from analogue systems, as digital signals offer greater bandwidth and resolution compared to traditional analogue signals.

Another advantage of IP systems is their ability to transmit multiple streams of data, such as audio, video, and data, over a single network connection. This is in contrast to analogue systems, which are limited to a single stream of video. This allows IP-based systems to offer advanced features, such as two-way audio, video analytics, and remote management.

Improved scalability is another advantage of IP CCTV systems. With analogue systems, the number of cameras that can be connected to a single monitoring location is limited by the number of analogue inputs available. IP-based systems, on the other hand, can easily accommodate additional cameras by adding more network switches and storage devices. IP-based systems also offer greater flexibility in terms of how they can be configured and used. For example, cameras can be easily repositioned or added to the system, as they do not need to be cabled all the way back to the recorder.

IP-based video surveillance systems also offer improved security compared to analogue systems. Digital signals are encrypted, making it difficult for unauthorised individuals to access the footage.


The transition from analogue to IP Surveillance systems has been a major step forward in the evolution of security. If you're considering upgrading your digital CCTV security system, now is the time to consider making the switch to IP. For more information, get in touch here.


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