400G QSFP56-DD LR4
RTXM500-416
RTXM500-416 400G QSFP-DD LR4 transceiver modules are designed for use in 400 Gigabit Ethernet links on up to 10km of single mode fiber. They are compliant with the QSFP-DD MSA, IEEE 802.3cu and 100G Lambda MSA.The optical transceiver is RoHS compliant.