Customized DWDM Mux Demux 4CH DWDM LGX Module1.Dense Wavelength Division Multiplexing (DWDM: Dense Wavelength Division Multiplexing) is the ability to combine a set of light wavelengths for transmission through a single fiber. This is a laser technology used to increase bandwidth over existing fiber optic backbones. Rather, the technique is to multiplex the tight spectral spacing of...