ANALOG CAMERA
Hikvision Analog cameras transfer the video signals in analog form its an electrical signals, usually use coaxial cables for the cabling, and have the videos recorded by a Hikvision DVR (Digital Video Recorder) , where each single camera is directly connected to the DVR.
NETWORK CAMERA
Hikvision Network cameras encode the video signal into IP packets, use the data network (LAN) for the cabling, and have the videos recorded by an Hikvision NVR (Network Video Recorder) that can be connected anywhere on the network.