40G QSFP+ SM 1310m WDM Optical Transceiver Module, QSFP+ MSA compliant, 4 CWDM lanes MUX/DEMUX design, up to 10km transmission on single mode fiber (SMF), LC-Duplex Connector. * Only work in uncoded switches!*, for Industry-Electronics/AlliedTelesyn/Avago/Avaya/Cambium/D-link/Entersys/Mikrotik/Netgear/Lancom/QNAP/Planet/Ubiquiti/Zyxel/ZTE,