Coarse Wave Division Multiplexing (CWDM) is a technology that multiplexes multiple optical signals onto a single fiber by using different wavelengths of light. CWDM Multiplexer/Demultiplexer (MUX/DEMUX) modules support ITU-T G. 694.2 wavelengths between 1270nm to 1610nm in 20nm increments.The CWDM MUX/DEMUX can maximize capacity and increase bandwidth over a single or dual fiber cable. AscentOptics’ CWDM MUX/DEMUX modules support dual fiber 4 channel, 8 channel and 16 channel, single fiber 4 channel and 8 channel are packaged in LGX boxes, 1U rack or very small sized aluminium Box.