40G Ethernet LM4 1km Universal Duplex Single Mode and Multimode Gen2 QSFP+ Transceiver
https://www.epsglobal.com/Media-Library/EPSGlobal/Products/files/finisar/transceivers/FTL4C3QE2C.jpg?ext=.jpg&maxsidesize=400
XCVR, QSFP, 140m on OM3 / 160m on OM4 / 1km on SMF, 40GE over MMF & SMF, 4x10G LM4 UNIV CWDM DFB, PIN, Limiting, XLPPI electrical interface, RoHS, 3.3V, 3.5W, 0/70°C operation, Gen2
FTL4C3QE1C
FTL4C3QE1C
Coherent
https://www.epsglobal.com/getmetafile/94cfad1c-656d-435e-8625-94600a97706c/Coherent