D-Link 100GBase-LR4 Single-Mode QSFP28 transceiver (up to 10 km) - For Data Networking, Optical Network - 1 x LC Duplex 100GBase-LR4 Network - Optical Fiber - 1295.56 nm, 1300.05 nm, 1304.58 nm, 1309.14 nm - Single-mode - 100 Gigabit Ethernet - 100GBase-LR4 - 100 Gbit/s - 32808.40 ft Maximum Distance - Hot-pluggable, Hot-swappable: