Pm Coarse Wavelength Division Multiplexer CWDM Module

US$49.90 - 200.00 1 Piece (MOQ)
Port:
Shenzhen, China
Production Capacity:
500000pieces/Year
Payment Terms:
T/T, Western Union, Paypal, Money Gram

Last Login Date:

Jun 27, 2025

Business Type:

Manufacturer/Factory

Main Products:

Optical Beam Combiner, Fiber Coupler, Optical Isolator, Optical Fiber Wdm, Optical Devices, Optical Fiber Patch Cord, Mode Field Adaptor, Optical Circulator, Splitter, VOA

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Product Description

Company Info

Basic Info.

Model NO.
CWDM Modules
Type
Fiber Optic Multiplexer
Wiring Devices
Integrated Wiring
Certification
CE, RoHS, GS
Condition
Center Wavelength
Itu or Itu+ 1nm
Channel Number
1X4,1X8,1X16,1X18
Channel Spacing
1260~ 1460 or 1460~ 1620 or 1260~ 1620 GHz
Center Wavelength Accuracy
20nm
Channel Passband (@-0.5dB)
±6.5/7.5nm
Max.Insertion Loss
0.4dB
Min. Isolation
1.9dB
Non-Adjacent Channel
30dB
Upgrade Channel
40dB
Min. Return Loss
50dB
Min. Extinction Ratio@23ºC
18dB
Max. Wavelength Thermal Stability
0.003
Max.Insertion Loss Thermal Stability
0.005
Max. Power Handling (Cw)
500MW
Operating Temperature
0~+70
Trademark
Kernstech
Transport Package
OPP Bag/Blister Box, Carton
Specification
PM CWDM Modules
Origin
China
HS Code
851779900

Product Description

 PM Coarse Wavelength Division Multiplexer CWDM Module 
Product Description
PM CWDM modules are polarization-maintaining optical fiber circulators and isolators that are used in Coarse Wavelength Division Multiplexing (CWDM) systems. CWDM is a low-cost technology that combines multiple signals at different wavelengths into a single fiber optic cable for transmission.

Features

  • High Return Loss
  • High Stability & Reliability
  • High Return Loss& High lsolation
  • Good channel-to-channel consistency   
Applications
  • CATV system
  • DWDM System
  • EPON and GPON network

Specifications

ParameterUnitSpec
Channel Number 1x41x8     1x161x18
Center WavelengthnmITU or ITU+ 1
Channel SpacingGHz1260~ 1460 or 1460~ 1620 or 1260~ 1620
Center Wavelength Accuracynm20 
Channel Passband (@-0.5dB)nm±6.5/7.5
Max.Insertion LossMux to Demux(Link)dB0.4 
Min. IsolationAdjacent ChanneldB1.9 2.7      4.2    4.5 
Non-Adjacent ChanneldB30 30      30  30 
Upgrade ChanneldB40 40      40 40 
Max. Channel Flatness dB12 12      12  12 
Min. Return LossdB50 
Min. Extinction Ratio@23ºCdB18 
Max. Wavelength Thermal Stabilitynm/ºC0.003 
Max.Insertion Loss Thermal StabilitydB/ºC0.005 
Max. Power Handling (CW)mW500 
Operating temperatureºC0~+70
Storage temperatureºC-40~+85

Note:For device with connector,IL is 0.3dB higher, RL is 5dB lower, ER is 2dB lower. The default connector key is aligned to slow axis.

Package Dimensions

 

Detailed Photos

 


 

Company Profile

 



 
Our Advantages
 
Beam Combiners
Utilizing unique fiber drawing and packaging technology to achieve pump efficiency of over 93%, supporting various fibers and packaging sizes to meet customized needs.

Couplers / Splitters
Offering low insertion loss and high directivity coupling solutions, supporting stable operation of optical communication systems and optical testing systems.

Isolators
Particularly suitable for test instruments, Raman fiber lasers, ultrafast fiber lasers, etc., characterized by low insertion loss, high return loss, and high isolation.

 

Packaging & Shipping

 



 
FAQ
 

Q1: What is the warranty?
A1: Our products typically come with a one-year warranty. During the warranty period, if the product fails due to manufacturing defects or material issues, we will provide repair or replacement services free of charge. The warranty does not cover damage caused by misuse, mishandling, or failure to follow the operating instructions.

Q2: What is the packaging?
A2: Our products are packaged with professional shockproof and protective materials to ensure they are not damaged during transportation. Typically, the packaging includes anti-static bags, foam padding, and sturdy cardboard boxes for multiple layers of protection. For special products, we can also provide customized packaging according to customer requirements.

Q3: How do I know if this product is exactly what I need?
A3: Before purchasing, you can determine if the product meets your needs through the following ways:

  • Product Manual: Carefully read the product manual and technical specifications.
  • Technical Support Consultation: Contact our technical support team with your specific application requirements, and we will recommend suitable products for you.
  • Sample Testing: For bulk purchases, we can provide samples for you to test and evaluate.
  • Customer Reviews: Check other customers' reviews and feedback.

Q4: How do you maintain quality?
A4: We ensure product quality through the following methods:

  • Strict Raw Material Selection: Only select high-quality raw material suppliers.
  • Advanced Production Equipment: Use modern, precise production equipment and technology.
  • Quality Control System: Establish a comprehensive quality control system, with strict quality inspections at each stage from raw material intake to product dispatch.
  • Professional Team: Employ experienced engineers and technicians responsible for production and quality management.
  • Continuous Improvement: Continuously collect customer feedback to improve product design and manufacturing processes, enhancing product performance and reliability.
Q5: May I buy samples from you ?
A5:
Yes! You are welcome to place sample order to test our superior quality and services.
 
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