An NVR (Network Video Recorder) CCTV security system uses digital IP cameras and Ethernet cables to record and manage high-resolution video.

How NVR Systems Work

• Digital Signals: Cameras process video and audio at the lens before sending a digital stream to the recorder.

• Power over Ethernet (PoE): A single network cable (Cat5e or Cat6) delivers power, data, and audio to each camera.

• Smart Analytics: On-board camera AI handles advanced motion detection, like recognizing humans and vehicles, to reduce false alarms.

NVR vs. Traditional DVR

• Cabling: NVR uses flexible Ethernet cables; older DVR systems rely on rigid coaxial BNC cables with separate power adapters.

• Resolution: NVR systems support sharp 4K Ultra HD video at full frame rates, while analogue DVR systems offer lower image quality.

• Flexibility: NVR setups support both wired PoE and wireless Wi-Fi IP cameras.