EnGenius SFP+ Switch 10Gig Bi-Directional Fiber Transceiver Module - For Data Networking, Optical Network - 1 x LC 10GBase-BiDi Network - Optical Fiber - 1270 nm, 1330 nm Wavelength - Single-mode - 10 Gigabit Ethernet - 10GBase-BiDi - 10 Gbit/s - 20 km Maximum Distance - Hot-swappable: