Mobile application specific product with built-in, real-time, non-PC based operating system providing Digital Video recording onto a hard disk drive for mobile or stationary applications, providing up to four real-time, 30 frames per second, video inputs with up to two synchronized channels of audio As well as providing multiplexed recording with wired or wireless data transmission over PSTN(telephone line) or LAN/WAN networks, or wireless channels The system starts to record automatically wh...