GZCOM CWDM SFP contain 155Mb, 622Mb, 1.25Gb, 2.5G series, support a variety of transmission distance from 40KM to 160KM. The series products adopt LC optical port and are compatible with ieee 802.3ba.It is characterized by low power consumption, small volume and wide temperature range.It is mainly used in SDH/SONET transmission and other environments.