Understanding surveillance system components requires examining their core functions and evolution. DVRs dominated the market during the analog era, while NVRs emerged to support IP-based infrastructure. Modern solutions increasingly blend these technologies with AI-enhanced CMS platforms.
Wired systems (e.g., Lorex 4K NVR kits) require Ethernet cabling but offer stable connections. Wireless/battery-powered models (like Lorex Wire-Free) install in minutes but need periodic recharging. Hybrid systems balance DIY ease with …
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Power over Ethernet (PoE) cameras transmit data and receive power through a single Ethernet cable, requiring connection to PoE switches or injectors. WiFi cameras operate wirelessly, drawing power from electrical outlets/batteries while relying on WiFi routers for data …