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.

40G QSFP SR4 150m 850nm MPO Optical Transceiver，support 40Gb/s and up to 100m transmission on MM fiber, it works in high-speed IDC connection solutions and so on.

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

40G QSFP ER4 optical transceiver module, support 40Gb/s and up to 40 km transmission on SM fiber, it works in high-speed IDC connection solutions, and so on.