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Wuhan Seifree Technology Co., Ltd.

Optical Multiplexer, CWDM, DWDM manufacturer / supplier in China, offering Manufacturer of CWDM DWDM OADM Fiber Optic Multiplexer, 1550 Sm Single Optical Isolator for Optical Amplifiers, Sm Single Optical Isolator 0.9mm Cable in Steel Tube and so on.

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Supplier Homepage Product Fiber Optic WDM module CWDM Mux Demux Manufacturer of CWDM DWDM OADM Fiber Optic Multiplexer

Manufacturer of CWDM DWDM OADM Fiber Optic Multiplexer

FOB Price: US $50-300 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $50-300/ Piece
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Port: Wuhan, China
Production Capacity: 4, 000 PCS/Month
Payment Terms: T/T, Western Union

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Basic Info
  • Model NO.: SCWDM
  • Wiring Devices: ODF
  • Condition: New
  • Connector Type: LC/Upc Duplex Adapter
  • Fiber Type: SMF-28e
  • Application 1: CWDM OADM System
  • Application 3: Bidi
  • Trademark: Seifree
  • Specification: silica fiber
  • HS Code: 8517622990
  • Type: Fiber Transceiver
  • Certification: ISO, RoHS
  • Configuration: 1 Fiber (1 Direction)
  • First Channel: 1271nm
  • Pigtail Diameter: 0.9mm Loose Tube
  • Application 2: Real-Time Monitoring
  • Application 4: CATV
  • Transport Package: Carton
  • Origin: Wuhan, Hubei. China
Product Description
Manufacturer of CWDM DWDM OADM Fiber Optic Multiplexer
Manufacturer of CWDM DWDM OADM Fiber Optic Multiplexer

The Single Mode CWDM Based on thin-film filters technology and epoxy-free optical patch. It has single or multi window. The devices are designed and manufactured to meet Telcordia GR-1209-CORE requirements and RoHS compliant.

Applications                      Features
Line Monitoring                                   Low Excess Loss
Bi-Directional Systems                            Wide Pass Band
WDM Systems                                   High Reliability
CATV system  

Ordering Information
SCWDM-       -       -       -       -       -       -       -        
Config.PortsFirst ChannelFiber TypePigtail Dia.Pigtail LengthPackageConnector Type
D=Demux0204=2Com,4Out290(1)=1290(1)NMB=SMF-28e XB20=2mm10=100cmB2(3)SU(A)=SC/UPC(APC)
MD=M&D  /30=3mm C2(3,4) 
 0118=1Com,18Out590(1)=1590(1)nm  20=200cmD(1,2,3,4)LU(A)=LC/UPC(APC)
 0218=2Com,18Out610(1)=1610(1)nm X=Customization
Package and Mounting Dimension (mm)
Stainless Steel Tube (A)Plastic Box (B)Aluminum alloy Box (C)Aluminum alloy Rack (D)
A3=Φ3x60A7=Φ5.5x50B3=120x80x1880x74.5x4Φ3.2C3=110x95x7.599x84x4Φ3.5D3=485x43.5x230(19' Rack)
A4=Φ5x70A8=Φ5.5x64B4=141x115x18100x106x4Φ3.2C4=110x95x1599x84x4Φ3.5D4=485x87x230(19' Rack)
X(CWDM Channel)+1(1310±50/EXP)12488+1161812488+11618
Bare Fiber/φ0.9 StainlessA6/////////////
φ0.9(φ2,φ3) Plastic BoxB1B2B2B2B2B3B3B2B2B2B3B3B4B4
φ0.9(φ2/φ3) Aluminum Alloy BoxC1C2C2C3C3C3C3C2C2C3C4C4//
19 Inches RackD3D3D3D3D3D3D3D3D3D3D3D3D3D3
Operating Wavelength(nm)ITU-T GridParameterUnitValue
Channel Space(nm)20Fiber Type/SMF-28e/ SMF-28e XB
Channel Number12488+11618DirectivitydB>40
Passband@0.5dB>14.0Return LossdB>40
Passband Flatness<0.50Pigtail Dia.mm0.25/0.9 / 2 / 3
Max IL(In->TX@λPB) Lengthcm>50
Max IL(In->Express@λother) HandingmW<500
Isolation(Adjacent)>30Operating Tem.ºC-20~ +70
Isolation(Non-Adjacent)>45Storage Tem.ºC-40~ +85
Insertion Loss Temperature Sensitivity (dB/ºC)<0.005/  
Wavelength Temperature Shifting(nm/ºC)<0.002   
PDL (Max)   
 Manufacturer of CWDM DWDM OADM Fiber Optic Multiplexer
1.Is your company a manufacturer or dealer?
 ---We have our own factory in Wuhan, China.
2.Can you provide free samples for us?
 ---Sure, we can provide free samples for you, but the freight should be paid by you.
3.What's the lead time for all the goods that I required?
 ---It depend on the quantity of products. Generally, it would be 1-2 weeks.
4.What's the warranty for your products?
 ----Normally it is 1 year.
5.What's your payment term?
 ---It is 100% T/T in advance.
6.What's the MOQ for your products?
 ---1pcs is okay.
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Miss Lydia Yuan
Sales Manager
To: Miss Lydia Yuan

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