C-LIGHT independently developed 40G QSFP+ optical module covers transmission distances of 100m, 150m, 300m, 10km, 40km, 80km, and 90km, and supports rates up to 40Gb/s. Its communication protocol complies with IEEE802.3ba-2018; the interface protocol complies with SFF-8436; and the packaging protocol complies with QSFP MSA. The 40G QSFP+ optical module is suitable for data centers, metropolitan area networks, local area networks, 5G communications, fiber channels, as well as high-performance computing and cloud computing environments, showing a wide range of application prospects. Based on more than 15 years of experience in optical communications, C-LIGHT is committed to providing customers with spot supply and customized services. The 40G QSFP+ optical module is compatible with switches from more than 100 brands, and is committed to providing original after-sales service to help customers effectively reduce costs.