25GE LR 10km Long Wavelength SFP28 Optical Transceiver FTLF1436P3BCV SFP28 optical transceivers are designed for use in Ethernet links at 10.31Gb/s and 25.78Gb/s data rates and up to 10 km link length. They are compliant with SFF-8472 Rev 12.2 and compatible with SFF-8432 and applicable portions of SFF-8431 Rev. 3.0. The optical transceiver is RoHS compliant as described in Application Note AN-2038.