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Although, analog cameras nowadays aren’t much cheaper than lower megapixel IP cameras.Ĭoaxial BNC cables: Each analog camera is connected to the DVR through a coaxial cable. These cameras tend to have fewer features and transmit lower-quality video than IP cameras-however, for that reason, they are relatively more affordable. Because these cameras pass a raw video signal through to the recorder, there are fewer restrictions when it comes to mixing and matching analog cameras of different brands. You get to decide what you want.ĭVR systems are made of the following components:Īnalog cameras: DVR systems use analog security cameras, also known as CCTV cameras. The most important difference is mainly around the resolution, hence quality of video, you get from these 2 options.Īnalog has low resolution options, IP has very high resolution options. Here’s a summary of these key differences:įor further analysis on the difference between analog and IP video surveillance, check out this breakdown by Security Magazine. The processed stream is then transferred to the recorder via an ethernet cable. IP cameras process video directly from the camera itself. In an NVR system, video is captured with digital, or IP (Internet Protocol) cameras. The recorder processes the video into a digital format to be stored or accessed live. Because analog cameras are unable to process video at the source, they pass the raw video feed to the recorder via coaxial cables. In a DVR system, the camera stream is captured from analog cameras. The main difference between DVR and NVR systems is how they communicate and transmit video data. On the surface, both systems serve the same purpose: they capture video footage transmitted from the cameras and store that stream so you can play it back later. Digital video recorders (DVR) and network video recorders (NVR) are types of video recording systems used for security cameras.