Canary's Gigabit, Single-Fiber Bi-Directional Single mode converter deliver long-range Gigabit data access over single fiber strand, single mode segments. GFT-1037A converter is designed to free up fiber capacity by using dual wavelengths over a single strand of a duplex fiber pair. They are ideal for data intensive backbones in the enterprise or across the campus where extra fiber capacity is lacking but redundancy or additional access is needed to add channels or alternate protocols.