What is the main limitation of a digital frame camera when compared with an analogue one?

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The main difference between analog CCTV and digital (IP) CCTV is the method by which video is recorded and delivered. Analog cameras record images and then send the signal over a coaxial cable to a DVR (Digital Video Recorder). The DVR converts the video from analog to digital signals, compresses the file, and stores it on a hard drive. Monitors need to be hooked up to the DVR to view the video, or the DVR can be connected to a router and modem to broadcast it over the internet through an internal network.

Digital security cameras on IP-based CCTV systems, on the other hand, record the images digitally to begin with. Then, they can receive and send data over a computer network rather than going through a DVR first. This method nixes the boxy setup with multiple ports in favor of an NVR, which is typically a simple software program that can be run on a device dedicated solely to operating the NVR or on a complete system.

Ally Wells answered 2 years ago

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