Friday, February 27, 2026

NVR VS DVR

NVR VS DVR




The choice between these systems largely depends on the type of cameras and cabling infrastructure you intend to use. Camera Types: NVRs are designed for IP (Internet Protocol) cameras, which are more advanced and can process data internally. DVRs typically use analog cameras, which are simpler and less expensive because they lack internal processing power. Data Processing: In an NVR system, the camera encodes and processes the video before transmitting it. In a DVR system, the recorder acts as the "brain," converting the analog signal into a digital format for storage. Cabling: NVR: Uses Ethernet (Cat5e/Cat6) cables or Wi-Fi. Many support Power over Ethernet (PoE), allowing a single cable to transmit power, video, and audio. DVR: Uses coaxial cables, which are thicker and more rigid. These usually require a separate power supply for each camera.



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HOW A FIREWALL WORKS

HOW A FIREWALL WORKS