Gigaopto DWDM SFP transceiver module series covers the data rates of 155Mbps, 622Mbps, 1.25Gbps, 2.5Gbps, 2.67Gbps, and 4.25Gbps. This module is designed for single mode fiber and operates at a nominal DWDM wavelength from 1528nm to 1566nm as specified by the ITU-T, supporting a variety of transmission distance from 10km to 180km with a duplex LC optical interface. They are suitable for Fast Ethernet, Gigabit Ethernet, SONET, SDH, and ATM applications.