MWDM is based on the 6 wavelengths of CWDM, shifted by 3. 5nm left and right to expand to 12 waves. OptiWorks' MWDM module enables us to get rid of cascaded fiber fusion splices and thus to provide us with excellent performance and high reliability. Two Mainstream Schemes of 12-Wave Colored Optical Modules in 25G Applications In 25G application scenarios, operators mainly adopt two schemes for 12-wave colored optical modules, namely MWDM and LWDM, with the following characteristics: • MWDM Scheme This scheme is derived from 6-wave CWDM. Wavelength division multiplexing (WDM) technology is the preferred solution for 5G fronthaul networks. Applications: Short to medium reach (up to 80km), cost-sensitive metro access, enterprise networks, point-to-point links. Pros: Very. For WDM wavelength division multiplexing technology, we generally common CWDM coarse wavelength division multiplexing and DWDM dense wavelength division multiplexing, so the CWDM optical module and DWDM optical module is also more familiar with the most commonly used. 25G SFP28 LWDM Optical Module. 25G SFP28 LWDM Optical Transceiver The 25G SFP28 LWDM optical module adopts LWDM (LAN WDM) fine wavelength division multiplexing technology (O-band), and has 12 wavelengths, eight of which are standard wavelengths that divide the spectrum of the O-band according to 800GHz, and the remaining four. In fiber-optic communications, wavelength-division multiplexing (WDM) is a technology which multiplexes a number of optical carrier signals onto a single optical fiber by using different wavelengths (i. This technique enables bidirectional communications over a.