... Specifications Input TypeBNC: BNC x 4 D-Type: DB15 x 2 Video Input(s)4, 6, 8, 10, 12, 14, 16 ... Cams Audio Input(s)1 Channel , & 16CH(with GV-A16 board) is optional Recording Rate30 fps (NTSC), 25fps (PAL ... , 320 x 240 Compression FormatWavelet, MPEG-4, GEOMPEG4 GV-DSP SupportYES GV-A16 SupportYES GV-NET/IO Card SupportYES SoftwareV7.05/V7.5 ...