SFP 1.25G 120KM 1550nm(1000Base 120km) optical transceivers are designed for GE/1 x FC optical interface for data communications with single mode fiber (SMF), and multimode fiber (MMF) as well. 120KM EZX Optical Transceivers operate at both 1.25Gbps for GE and 1.0625Gbps for 1xFC. Single-mode 1550nm 1.25G Optical Transceivers design is optimized for high performance and cost effective to supply customers the best solutions for datacom applications.