Long-distance data transmission operates through two distinct modes: coherent and non-coherent. Today, GIGALIGHT officially unveils two trailblazing 100G QSFP28 PSM DWDM4 non-coherent long-distance optical modules. These modules, built upon a 4x25G NRZ quad-carrier DWDM solution, offer options in both the C-band and O-band spectra, effectively spanning distances exceeding 80km. They…