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  • CWDM
  • CWDM
  • CWDM
  • CWDM


Product Code : SNT-CWDM-8CH-SCA

SUNET’S Coarse Wavelength Division Multiplexer (CWDM) filter demonstrate low loss and reliable performances. It can not only increase efficiency, but also reduce costs

These devices show broad passband and high isolation, making them ideal for operation with inexpensive, uncooled lasers. They are low cost products for the CATV and metro/access markets.Easily customizable, SHARETOP’S CWDM can be configured from a standard list of packaging and connector options.


High Isolation

Low insertion loss

Compact Design

Epoxy-free on optical path

High Reliability and Stability 



CWDM System


PON Networks

CATV Links

Performance Specifications
Parameter4 Channel8 Channel16-18Channel
Channel Wavelength (nm)1270~1610
Center wavelength Accuracy (nm)±0.5
Channel Spacing (nm)20
Channel Passband bandwidth (nm)±7.5
Insertion Loss (dB)≤1.6≤2.5≤3.5-4.0
Channel Uniformity (dB)≤0.6≤1.0≤1.5
Channel  Ripple (dB)0.3
Isolation (dB)AdjacentN/A>30N/A>30N/A>30
Inertion Loss Temperature Sensitivity (dB/℃)<0.005
Wavelength Temperature Shifting (nm/℃)<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
Opterating Temperature (℃)-5~+75
Storage Temperature (℃)-40~85
Package dimension (mm)L100 x W80 x H10L142 x W102 x H14.5


Ordering Information
CWDMChannel SpacingNumber of ChannelsConfiguration1st ChannelFiber TypeFiber LengthConnector
C=CWDM Grid04=4 Channel08=8 Channel16=16 Channel18=18 ChannelN=N ChannelM=MuxD=DemuxO=OADM27=1270nm……47=1470nm49=1490nm……61=1610nmSS=special1=Bare fiber2=900um loosetube3=2mm Cable4=3mm Cable1=1m2=2mS=Specify0=None1=FC/APC2=FC/PC3=SC/APC4=SC/PC5=ST6=LCS=Specify