Eoptolink’s EOLQ-161HG-40-LX 100Gbps QSFP28 transceiver module is designed for optical communication applications in 100 Gigabit Ethernet links over 40km single mode fiber. This product converts 4 channels of 25Gbps (NRZ) electrical input data to 4 channels of 25Gbps (NRZ) LAN-WDM optical signals.