Coherent FTLF8540P4BCV Fiber Optic Transmitters, Receivers, Transceivers 850nm Oxide VCSEL, 25GE, 25.78/10.3 Gb/s transceiver, RoHS compliant, multimode, pluggable SFP+ footprint, 3.3V, LC connector, bail, digital diagnostics, -0/70C operation, 300m on OM4 fiber