The Mini Converter Optical Fiber 12G-SDI from Blackmagic Design offers bidirectional, multi-rate SDI to optical fiber conversion capabilities with complete independence in each direction and support for up to DCI 4K25 and UHD 4K60 signals. This converter has one SFP optical fiber socket (requires a separate module), one 12G/HD/SD-SDI input, and one 12G/HD/SD-SDI output. With a 10-bit rate, you can take advantage of long fiber runs and compatibility with both studio and field HD-SDI and SD equipment.