EXFO America Inc. FTB-85957 100GBASE-LR4 Single Rate 1310nm 10km 4x25Gb/s LAN-WDM 24W SMF Duplex SC- Supports 100GE only (no OTU4)- One year warranty is offered from manufacturer only and can't be extendedNote: Typical lead time is 10 weeks. Contact inside sales for