SDI digital video converter. Devices that convert an SDI signal to other video format (usually HDMI). Serial Digital Interface (SDI) is a digital video format, used for the transmission of uncompressed video signal (RGB video) without encryption (optionally including audio). Is also used for transmitting data packets. The specifications of this format specified in the recommendationITU-R BT-656 for transmitting video signals in digital components. Data transmission using 270 Mbits/s. In this section you will find all kinds of electronics on the SDI format and its derivatives: HD-SDI, SD-SDI and 3G-SDI.