200G QSFP-DD ER4 optical transceiver module, support 200Gb/s and up to 40 km transmission on SM fiber, it works in high-speed IDC connection solutions, and 5G network back-hual solutions, and so on.
200G QSFP-DD SR4 optical transceiver module, support 200Gb/s and up to 100m transmission on MM fiber, it works in high-speed IDC connection solutions and so on.