50G QSFP28 LR4 optical transceiver module, support 50Gb/s and up to 10 km transmission on SM fiber, it works in high-speed IDC connection solutions, and 5G network mid-haul solutions, and so on.
50G QSFP ER4 optical transceiver module, support 50Gb/s and up to 40 km transmission on SM fiber, it works in high-speed IDC connection solutions, 5G network mid-haul solution, and so on.