Gigaopto CWDM SFP transceiver module series covers the data rates of 155Mbps, 622Mbps, 1.25Gbps, 2.5Gbps, 2.67Gbps, and 4.25Gbps. 18 channel CWDM wavelengths available from 1270nm to 1450nm and 1470nm to 1610nm. 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.