It is compliant with OIF CEI-28G-VSR and QSFP28 MSA. 100G QSFP28 DWDM optical transceiver module supports 48*100Gb/s DWDM system with transmission distance up to 80km over SM fiber. It is designed to be deployed in DWDM network equipment in metro access and core networks. It is suitable for high-speed IDC connectivity solutions.