Video input : 4 channel video inputs with BNC
Audio input :, 2 channel audio input with microphone
Surveillance Channel: 6 cards can be inserted in the same PC at most, to form 24 surveillance screen display modes
Video resolution : 640 X 480, 352 X 288, 320 X 240 ( both view and playback )
compression mode : Latest MPEG-4 / H.264
Compression ratio : 30-150M/C/H (30-150M of hard disc each channel per hour)
video total frame rate: 60fps in NTSC, 50 fps in PAL for display and recording
Operating System: Windows2000 Professional / Server / XP
Network protocol : TCP/ UDP
Network Port : 9000/9001/9002
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