What is the Difference Between NVR and DVRs?

Digital Video Recorders (DVR) are analog while Network Video Recorders (NVR) are digital. For the most part, DVRs and NVRs provide you with the same functions, such as recording, motion detection, and remote connectivity. But are fundamental differences, as well. For instance, the way that security cameras are connected and how the recorders receive incoming video. DVRs, for example, receive footage from analog security cameras over RG59 siamese BNC cables. The DVR then encodes the footage (using H.264 Advanced Video Coding) and stores it to the hard drive. NVRs, on the other hand, receive footage that is already encoded and compressed by Digital IP security cameras over Cat5e Ethernet cables.

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