100G QSFP28 LR4 100GBASE-LR4 QSFP28 transceiver module, 100Gbps, single mode, 1310nm, 10km, LC duplex connector, Hot Pluggable, support DOM ^^ 100GBASE-LR4 Power Consumption 3.5W for Prolonged Service Life. with BOX Packaging, it enable Great Reliability, and Heat Dissipation Performance ^^ Protocols IEEE 802.3 bm 100GBASE-SR4 and CAUI-4. Digital diagnostics functions are available via the I2C interface as specified by the QSFP28 MSA. ^^ Built-in Real Time Digital Optical Monitoring Capability for Strong Diagnostic Capabilities. ^^ 3 Warranty 30-Days Free-returned, 65-Days Free-replacement 5-Years Free-maintenance