Flyin optronics' coarse wavelength division multiplexer (cwdm) utilizes thin film coating technology and proprietary design of non-flux metal bonding micro optics packaging. It provideslow insertion loss, high channel isolation, wide pass band, low temperature sensitivity and epoxy free optical path. Features: Low insertion loss Wide pass band High channel isolation High stability and reliability Epoxy-free on optical path Access network Applications: Line monitoring Wdm network Telecommunication Cellular application Fiber optical amplifier Acess network Parameter4 channel8 channel16 channel MuxDemuxMuxDemuxMuxDemux Channel wavelength (nm)1270~1610 Center wavelength accuracy (nm)± 0.5 Channel spacing (nm)20 Channelpassband (@-0.5db bandwidth (nm)> 13 Insertion loss (db)= 1.6= 2.5= 4.5 Channel uniformity (db)= 0.6= 1.0= 1.5 Channel ripple (db)0.3 Isolation (db)AdjacentN/a> 30N/a> 30N/a> 30 Non-adjacentN/a> 40N/a> 40N/a> 40 Insertion loss temperature sensitivity (db/° c)< 0.005 Wavelength temperature shifting (nm/° c)< 0.002 Polarization dependent loss (db)< 0.1 Polarization mode dispersion< 0.1 Directivity (db)> 50 Return loss (db)> 45 Maximum power handling (mw)300 Operating temperature (° c)-5~+75 Storage temperature (° c)-40~85 Package dimension (mm)L100 x w80 x h10L142 x w102 x h14.5