... FB Series video and audio compression vedio card 4 Channels PC Board:Dahua VEC0404FB:1)H.264 Hardware compression2)Support 2ch D1 ... StandardPCI 2.2VideoInput16 channel, BNC(1.0Vp-p, 75?)8 channel, BNC(1.0Vp-p, 75?)4 channel, BNC(1.0Vp-p, 75 ... 4CIF(D1)/CIF/QCIFAudioInput16 channel, BNC(200-2800mV, 30KΩ)8 channel, BNC(200-2800mV, 30KΩ)4 channel, BNC(200-2800mV, 30KΩ)CompressionPCM/ADPCMSampling ...