1. Techwell TW6805A chip
2. 4 ch CIF video & audio PAL50fps/ NTSC60fps and synchronous coding
3. Motherboard adaptive technique
4. Supprort 24 ch synchronous coding
5. 10 bits super image quality
6. Support Remote Video control
7. Network: TCP/UDP, support dynamic IP, support network monitor, replay, recording, download etc
8. Support original image capture,stored in JPG&BMP format

Video Parameter

Video Compressing standard : H.264
Video Input: 4 channel of complex analog video signal, NTSC, PAL could be selected
BNC socket,1.0Vp-p, resitance75(Ohms)
Video compression code rate: 20k~4M bps
Type of video stream: video stream/ complex stream
Video frame rate: PAL 400 fps  NTSC 480fps
Monitor resolution:704×576, horizontal line 500, vertical line 400 

Playback resolution:352×288, horizontal line 300, vertical line 350

Resolution of code: PAL: 352×288CIF  NTSC: 320×240CIF

Audio parameter

Audio Compression Standard: G.726
Audio sampling frequency: 8KHz
Audio Input: 2 channel audio input , BNC socket

Other parameter

Working Humidity: 1090RH
Ambient temperature: -10+50 degree

Video format: NTSC and PAL

Compression standard: Video H.264/Audio G.726

Video Input: 4 channel of complex analog video signal,BNC socket 

Audio Input: 2 channel audio input , BNC socket 

Monitor resolution:704×576, horizontal line 500, vertical line 400 

Playback resolution:352×288, horizontal line 300, vertical line 350

Video compression code rate: 20K-4M bps

Resolution of code: PAL: 352×288CIF  NTSC: 320×240CIF

Power consumption:＜4W

Dimension:125×90(mm) Card weight:74g  Cable weight: 114g

Packing size:21*14*5(cm)  Gross weight:269.5g