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Wuhan Seifree Technology Co., Ltd
Wuhan Seifree Technology Co., Ltd Expert of passive optical components
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1310nm / 1490nm / 1550nm WDM Filter , Single Mode Fiber Optic FWDM

Wuhan Seifree Technology Co., Ltd
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1310nm / 1490nm / 1550nm WDM Filter , Single Mode Fiber Optic FWDM

Brand Name : Seifree
Model Number : STWDM-M-55-34-E-3-10-B1-00
Place of Origin : Wuhan China
MOQ : 5 pcs
Price : US$15-27/pc
Payment Terms : T/T, Western Union
Supply Ability : 3,000pcs per month
Delivery Time : 1-2 weeks after payment
Packaging Details : Transparent and plastic boxes package, 2pcs WDM in 1 plastic box
Ptoduct Name : FWDM
Ports : 3 ports
Warranty : 1 year
Application : Ethernet CATV
Wavelength : 1310/1490/1550 nm
Fiber Type : Single Mode
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1310/1490/1550 nm Fiber Optic FWDM, Used With Ethernet CATV Media Converter


Wuhan Seifree Technology Co., Ltd offers a full line of WDM (Wavelength Division Multiplexer) passive optical products. It is designed to support RF overlay video services in FTTx PON networks. The WDM passive components, based on thin film filter technology, combine RF, Ethernet, and telecom services/signals over a single fiber. Low insertion loss and high isolation between channels ensures reliable network performance.

WDMs can be ordered in steel tube, cassette plastic box and rack-mount type housings and different configurations upon request.

Performance Specification

Operating Wavelength(nm)1260~1620/1260~1650
Transmission Band1260~13601260~15001260~15701525~16501480~15001615~16501535~1565
Reflection Band1430~16201525~16201600~16501260~15001260~14501260~15801260~1500
Insertion Loss (In->TX@λTB) (dB)<0.8
Insertion Loss (In->RX@λRB) (dB)<0.6
Isolation (In->TX@λRB) (dB)>25/30/35/40
Isolation (In->RX@λTB) (dB)>15/18/20/25
PDL (dB)<0.1
Insertion Loss Temperature Sensitivity (dB/℃)<0.005
Wavelength Temperature Shifting(nm/℃)<0.002
Directivity (dB)>50
Return Loss (dB)>40
Fiber TypeSMF-28e/ SMF-28e XB
Pigtail Dia. (mm)0.25 /0.9 / 2 / 3
Pigtail Length (cm)>50
Power Handing (mW)<500
Operating Tem.(℃)-20~ +70
Storage Tem.(℃)-40~ +85

Note: * All the data above does not include connectors.

Ordering Information

PN: STWDM-M-55-34-E-3-10-B1-00

Config.Trans. WindowsRefl. WindowsFiber TypePigtail Dia.Pigtail LengthPackageConnector Type
D=Demux49=1490nm49=1490nmB=SMF-28e XB20=2mm10=100cmB1(2)SU(A)=SC/UPC(APC)
62=1625nm62=1625nm20=200cmD(1, 3)LU(A)=LC/UPC(APC)

Our Service

1. OEM&ODM is acceptable.
2. All inquires and messages will be replied wihtin 24h.
3. Strong technicial team to provide you the best service.
4. 1 year warranty

Company Information
Wuhan Seifree Technology Co., Ltd is a fiber optic components and equipment. Since 2011, it has been concentrating in the field of FTTH, CATV transmission, WDM-PON. So far, we have established bussiness relationship with over 40 countries.

Product Tags:

optical low pass filter


fiber optic filter

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