Gigaopto's 400G QSFP112 series optical transceiver modules provide high-speed and high-density connections for next-generation data center and network applications, thereby increasing bandwidth and improving network performance. This portfolio includes SR4 100m, DR4 500m, FR1/FR4 2k and LR4 10km etc. They are compliant with the QSFP112 MSA standards. Digital diagnostics functions are available via the I2C interface, as specified by CMIS (Common Management Interface Specification). The optical transceiver is RoHS compliant.