Analogue CCTV security System or IP based CCTV security system? This is a question, anyone, considering a CCTV surveillance system for either residential or commercial protection has asked themselves. That is because they are two main options the market offers. Analogue CCTV Cameras are the older models while IP based CCTV cameras are, the newer models. It can be quite hard to determine which will best work for you as they are both equally valid.