HD-SDI Matrix Switcher IntroduceHD-SDI Digital Matrix, compliant SMPTE and ITU standards, it can support 1080p/50Hz/60Hz high-definition digital video signals switch at 3Gb / s bit rate, and 1080i/50Hz/60Hz high-definition digital video signals switch at the bit rate of 1.5Gb / s, and backward compatible with SD SD-SDI video signal 143Mbps/177Mbps/270Mbps/360Mbps / 540Mbps,different bit-rate ...