40G QSFP ER4 optical transceiver module, support 40Gb/s and up to 40 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-ER4 Standard QSFP MSA compliant APD photo-detector Up to 40 km 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