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4CH 8CH 18CH CCWDM Module With High Reliability And High Stability

Minimum Order Quantity : 1 piece Delivery Time : 5-8 work days
Payment Terms : L/C, T/T, D/P Supply Ability : 100,000 pieces per month
Place of Origin: Guangdong, China Brand Name: Seacent
Certification: ISO9001,ROHS Model Number: 4/8/18CH

Detail Information

Name: 4/8/18CH Mini CWDM Center Wavelength Accuracy: ±0.5 Nm
Connector Type: LC/APCOr Customer Specified Operating Temperature: -5~70 ℃
Waveband: 1270-1330 Nm Package Size: 44x25x6 Mm Or Customer Specified
Channel Bandwidth: ITU±6.5 Nm Application: Computer, Workstation, Server, CATV, FTTH, Wdm Systems
High Light:

compact cwdm


compact coarse wavelength division multiplexer

Product Description

4CH 8CH 18CH CCWDM Module With High Reliability And High Stability




Seacent Photonics now offers a compact CWDM module that provides bandwidth capacity expansion for future network growth in one of the small packages. Its compact size and unique carrier tray set it apart, and can be installed in a variety of field situations.


Seacent Photonics Compact Coarse Wavelength Division Multiplexing (CCWDM) networks need multiplexer/de-multiplexer (MUX/DEMUX) modules to combine and split the multi-wavelength optical signals. These modules are generally called CWDM MUX/DEMUX. Coupled with highly reliable passive optics (e.g., CWDM SFP/SFP+), CWDM MUX/DEMUX modules let operators make full use of available fiber bandwidth in local loop and enterprise architectures. Power link provides a series of CWDM MUX/DEMUX modules with as more as 18 channels in simplex or duplex configurations.




Item 4CH 8CH 18CH
Center wavelength (nm) ITU or ITU+1(Customizable starting wavelength)
Product Features Mux or Demux or Mux&Demux
Channel wavelength (nm) 1270~1610
Center wavelength accuracy (nm) ±0.5
Channel pitch (nm) 20
Insertion loss (dB) ≤1.0 ≤1.5 ≤3.2
Channel uniformity (dB) ≤0.5 ≤0.5 ≤0.5
Isolation adjacent  (dB) >30 >30 >30
Isolation Non-adjacent  (dB) >45 >45 >45
Polarization-dependent loss (dB) <0.2
Polarization Mode Dispersion (PS) <0.1
Directivity (dB) >50
Return loss (dB) >45
Connector type LC/APC or customer specified
Maximum power (mW) 500
Working temperature (℃) -5~70
Storage temperature (℃) -40~85
Package  (mm) 44x25x6 or customer specified

Remark:The above parameters do not contain connectors.



  • Low optical insertion loss
  • Low Polarization Dependent Loss
  • Small dimension
  • Cost-effective CWDM technology
  • Low-profile modular design
  • High isolation
  • Good channel-to-channel uniformity
  • Wide operating wavelength range
  • High reliability and high stability
  • Telcordia GR-1209-CORE-2001 compliant
  • Telcordia GR-1221-CORE-1999 compliant
  • RoHS-6 compliant (lead free)




  • CWDM system
  • PON network
  • Cable chain

Business advantage


(1) High reliability, high stability, small size, low insertion loss

(2) 1*N 2*N multiple channel forms

(3) 1260-1650nm full-band operation

(4) Industrial working environment: -40 ° C - + 85 ° C

(5) ISO9001-2015 quality system, Telcordia GR-1209-CORE, GR-1221-CORE standard certificate

(6) Customization: can be customized according to customer requirements

(7) Product process: industry leading


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