40G QSFP LR4 optical transceiver module, support 40Gb/s and up to 10 km transmission on SM fiber, it works in high-speed IDC connection solutions, and so on. Features                                              4 CWDM lanes MUX/DEMUX design Up to 11.2Gbps per channel bandwidth Aggregate bandwidth of > 40Gbps Duplex LC connector Compliant with 40G Ethernet IEEE802.3ba and 40GBASE-LR4 Standard QSFP MSA compliant Up to 10km transmission Compliant with QDR/DDR Infiniband data rates  Single +3.3V power supply operating   Built-in digital diagnostic functions   Temperature range 0°C to 70°C   RoHS Compliant Part