Finisar 25G Ethernet RoHS Compliant Long Wavelength SFP28 Transceiver - For Data Networking, Optical Network - 1 x LC Duplex 25GBase-LR Network - Optical Fiber - 1310 nm, 9/125 µm25 Gigabit Ethernet - 25GBase-LR32808.40 ft Maximum Distance - Hot-pluggable: