100G QSFP28Juniper Networks 100Gigabit Ethernet, coding as Juniper Networks QSFP-100G-CWDM4, also compatible ^^ 100GBASE-CWDM4QSFP28 transceiver module, 100Gbps, single mode, 1271nm, 1291nm, 1311nm and 1331nm, 2km, LC connector, full-duplex, Hot Pluggable, support DOM ^^ ProtocolsIEEE 802.3 ba, MSA Compliant QSFP28 MSA and 100GBASE-CWDM4 and ITU-T G. 694.2 standard. ^^ 3 Warranty- 30-Days Free-returned, 65-Days Free-replacement 5-Years Free-maintenance ^^ CustomizationFibermall supports regular custom service for your options