... VEC FB Series video and audio compression vedio card 4 Channels PC Board:Dahua VEC0404FB:1)H.264 Hardware compression2)Support ... possible performance. This series card can provide 4/8/16 channels 2CIF/HD1/CIF/QCIF with 25/30fps and dual-stream ... Stream: CIF/QCIF with 25/30 fpsBit Rate32Kbps~4MbpsRAW StreamFull-channels 4CIF(D1)/CIF/QCIFAudioInput16 channel, BNC(200-2800mV, 30KΩ)8 ...