H3C offers the QSFP-100G-LR4-WDM1300 optical module, which supports 100G Ethernet transmission up to 10 km over single-mode fiber. Moduletek Laboratory has tested samples of this product to help users gain a full understanding of its performance specifications and actual on-board. ER4-100G optical transceiver. Our testing confirms the module delivers high-performance transmis ion mpat R4-By building test scenarios and simulating the customer's usage environment, we test whether the module's performance meets the customer's requirements.