A network camera, commonly referred to as an IP (Internet Protocol) camera, is a standalone digital video camera that transmits data over an Ethernet link or Wi-Fi connection. Unlike traditional closed-circuit television (CCTV) systems, an IP camera does not require a local Digital Video Recorder (DVR). Key Technical Attributes
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Many routers use UPnP to automatically open ports for internal devices. Disabling this feature ensures that cameras cannot expose themselves to the WAN without explicit permission. He wasn't here to gawk; he was here to catalogue
The most significant leap is from analog CCTV to network cameras. Analog systems send a low-resolution video signal (typically 0.4 megapixels) over a coaxial cable to a DVR. Network cameras transmit a high-resolution digital signal—often 2, 5, 8, or even 50 megapixels—over standard network cabling to an NVR or the cloud. This digital nature enables advanced, built-in features like facial recognition, motion-triggered recording, loitering alerts, and real-time analytics that are impossible for analog systems.