Blackmagic Design ADPT-3GBI/OPT 3G SFP Optical Module Add an LC fiber optic connection to your Blackmagic Studio Camera, Teranex Converter, ATEM hardware, or any other professional device that supports SFP cages with this Blackmagic Design 3G SFP Optical Module. 3G data rates support SD and HD resolutions, and the fiber optic communication allows for long-distance transmission without quality loss.