ATOP’s APSDxxLM3xDL80 Small Form Factor Pluggable (SFP) transceivers are compatible with the Small Form Factor Pluggable Multi-Sourcing Agreement (MSA), and it support 100Ghz channel spacing and full C-band DWDM wavelength. The SFP transceivers are designed for DWDM SONET/ SDH, Ethernet, fiber channel and 80km transmission distance with SMF. They are RoHS compliant and lead-free.