We introduced 5 Application Scenarios of Optical Modules in this article, Data Centers, Mobile Communication Base Station, Passive Wavelength Division systems, SAN/NAS Storage networks, and 5G Bearer networks. Learn about SFP, SFP28, CWDM, and DWDM solutions. Optical modules are critical components in modern data communication, serving to convert electrical. Before introducing the application scenarios of optical modules, let me introduce you to the market segments of optical modules. (1) Ethernet: Mainly used in local area networks, connecting network hardware devices by sending and receiving data signals.