https://www.reachoptics.com/dwdm-mux-demux-module.html en https://www.reachoptics.com/r-100g-8ch-dwdm-mux-demux.html Reach Optics' Dense Wavelength Division Multiplexing (dwdm,wdm,Dense wavelength division multiplexer) refers originally to optical signals multiplexed within the 1550 nm band so as to leverage the capabilities (and cost) of erbium doped fiber amplifie https://www.reachoptics.com/ 2017/2/24 10:59:18 https://www.reachoptics.com/r-200g-8ch-dwdm-mux-demux.html 1.8-Channel 200Ghz DWDM Module 2.High reliability and stability 3.Low insertion loss 4.Low polarization dependent loss https://www.reachoptics.com/ 2017/2/24 10:59:18