Input port1×SDI port (BNC) 1×VGA port 1×AV port; Output port 2×SDI portsBNC; Our VGA & AV to SD/HD/3G-SDI Converter is used to convert VGA OR AV video source to SD/HD/3G-SDI signal; Support 2 ports of the SDI(SD-SDI/HD-SDI/3G-SDI) signal output; VGA OR CVBS video signals into SDI signals for display on computer peripherals such as projectors and monitors