cwdm module 4CH CWDM WDM mux/demux add drop multiplexer devices

  • 4CH CWDM module
  • WDM
  • ABS
  • 1260nm~1620nm

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cwdm module 4CH CWDM WDM mux/demux add drop multiplexer devices

Crowntech coarse wavelength division multiplexer (CWDM Mux/Demux) utilizes thin film coating technology and proprietary design of non-flux metal bonding micro optics packaging. It provides low insertion loss, high channel isolation, wide pass band, low temperature sensitivity and epoxy free optical path.

Low Insertion Loss
Wide pass band
High channel
High stability and reliability
Epoxy free on optical path
Access network

Line monitoring
WDM network
Cellular application
Fiber optical amplifier

NO. Parameter Specification Units Note
2.1.1 Channel number 4  
2.1.2 Channel spacing 20    nm  
2.1.3 Operating Wavelength Range 1260~1620 nm  
2.1.4 Central wavelength  1551/1571/1591/1611 nm  
2.1.5 Express Port Wavelength Range  1270~1530 nm  


Insertion loss CWDM Channel     2.0 dB 1
Express Port     1.8 dB 1
2.1.7 Channel Passband λc + 6.5     nm  
2.1.8 Isolation Adjacent Channel 28     dB  
Non-adjacent  Channel 45     dB  
2.1.9 Pass band ripple     0.5 dB  
2.1.10 Directivity 50     dB  
2.1.11 Return loss 45     dB  
2.1.12 PDL     0.20 dB  
2.1.13 PMD     0.10 PS  
2.1.14 Optical operating power     300 mW  
2.1.15 Operation Temperature 0~70 °C  
2.1.16 Fiber Type Corning G657A1  Fiber  
2.1.17 Connector Type LC/UPC  
2.1.18 Package Dimension 127(h) X15.24 (w) X 76.2 (D) (LGX)  

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