The yellobrik CQS 1441 is a small bridge that connects 4K UHD quad link 2SI devices to single link 12G SDI devices. The module can be set to convert from or to Quad link 2SI. The module is compatible with all SMPTE standard signals ranging from 1.5Gbit/s to 12Gbit/s (SMPTE 292M, 424M, 2081, and 2082)