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Analogue system: All Cameras connected to the DVR, Only DVR connected to the network system
IP System: Here Both cameras and NVR connected to the network system directly,because each camera have own IP address
IP cameras Easy connect wireless IP camera a growing branch in CCTV is internet protocol cameras.
IP cameras use the internet protocol (IP) used by most local area networks (LAN) to transmit video across data networks in digital form.IP can optionally be transmitted across the public internet, allowing users to view their cameras through any internet connection available through a computer or a3G\\4G phone.
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