Difference Between DVR and NVR in CCTV Systems 1. Meaning DVR (Digital Video Recorder): Works with analog CCTV cameras. It receives raw video signals through coaxial cables, processes (digitizes) them, and then stores them. NVR (Network Video Recorder): Works with IP (Internet Protocol) cameras. The cameras themselves process the video and send it to the… Continue reading Difference Between DVR and NVR in CCTV Systems