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Dense wavelength division multiplexer(DWDM) is based on the membrane filter technique and proprietary non-flux metal bonding micro-optics packaging design, within ITU wavelengths to achieve uplink and downlink. It provides ITU channel center wavelength, low insertion loss, high channel isolation, low power consumption, wide passband characteristics, no glue loop, excellent thermal stability and reliability and so on. In a telecommunications network system, it can be used for uplink or downlink optical signa



Features
Low Insertion Loss
High Channel Isolation
Optical path epoxy free
Excellent thermal stability and reliability
telcordia GR-1221 Compliance and RoHS Environmental Protection Standard
Application
DWDM Network
Add/Drop System
CATV Fiberoptic System
Metro/Access Network
Fiber Optical Amplifier

Technical Specifications
| Parameter | 4 Channel | 8 Channel | 16 Channel | ||||||||
| Mux | Demux | Mux | Demux | Mux | Demux | ||||||
| Channel Wavelength(nm) | 1270~1610 | ||||||||||
| Center wavelength Accuracy(nm) | ±0.5 | ||||||||||
| Channel Spacing(nm) | 20 | ||||||||||
| Channel Pass band(@-0.5dB bandwidth (nm) | >14 | ||||||||||
| Insertion Loss(dB) | ≤1.4 | ≤2.6 | ≤5.0 | ||||||||
| Channel Uniformity (dB) | ≤0.5 | ≤0.5 | ≤0.5 | ||||||||
| Channel Ripple (dB) | 0.3 | ||||||||||
| Isolation (dB) | Adjacent | N/A | >30 | N/A | >30 | N/A | >30 | ||||
| Non-adjacent | N/A | >40 | N/A | >40 | N/A | >40 | |||||
| Insertion Loss Temperature Sensitivity (dB/℃) | <0.005 | ||||||||||
| Wavelength Temperature Shifting (nm/℃) | <0.002 | ||||||||||
| Polarization Dependent Loss (dB) | <0.1 | ||||||||||
| Polarization Mode Dispersion (PS) | <0.1 | ||||||||||
| Directivity (dB) | >50 | ||||||||||
| Return Loss(dB) | >45 | ||||||||||
| Maximum Power Handling(mW) | 500 | ||||||||||
| Operating Temperature(℃) | -5~+75 | ||||||||||
| Storage Temperature (℃) | -40~85 | ||||||||||
| Package dimension(mm) | 1. L100 x W80 x H10 ( 2 CH~8CH Module) | ||||||||||
| 2. L120xW800xH18 (9 CH~18CH Module) | |||||||||||
Remark: Above is without connectors,if with connectors,add more 0.2dB
Order Informations
| Configuration | Channel No. | Channel | Pigtail Type | Fiber length | Dimensio(mm) | Connector |
| M=Mux D=Demux | 04=4 Channel 08=8 Channel 16=16 Channel
N=N Channel …… | 27=1270nm 47=1470nm 49=1490nm …… 61=1610nm SS=special… | 0=250um 1=900um 2=2.0mm | 1=1m 2=1.5m 3=others | 1=L100 x W80 xH10 2=L120xW80xH18 3=19 1U Rack | 0=None 5=o |
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The package will be packed according to standard export requirements, customer satisfication is our target.
Label printing : Customer logo or Foclink brand are available
Inner packing: 1pcs in a plastic box
Outer packing: the carton will be packed with sack, well protect carton from dust and wet.
The transportation : By air ,by sea ,by DHL ,Fedex TNT ,UPS ...


1.What is your MOQ?
Foclink: Normally is 1pcs/item,could be coordinated if you have detail requirements.
2.How about your delivery date?
Foclink: Delivery date is about 3-5days, it depends on the order quantity.
3.Can you supply sample for customers?
Foclink: of course, however the delivery cost will be charged on customer's account
4.How about your price?
Foclink: We are supplying products with very competitive price based on good performance.
5.Do you offer OEM Service ?
Foclink: We accept OEM, ODM. The cable size and material are customized. Our own logo and own design are welcome. We will produce according to your requirment and description;
Foclink Communications Co., Ltd. is a Hi-Tech enterprise having its own brand and specializing in R&D, manufacture and sales of fiber optical communications equipments. The main products of Foclink include fiber optic patch cord, connector, adapter, optical coupler, attenuator, optic media converter, optic splice closure, optic terminal box, ODF etc, which are widely used in telecommunications, broadband, broadcast, CATV and network industry
We sincerely welcome all interested buyers to visit our factory and contact us directly for further information, we will reply you as soon as possible!
Overseas Sales: Nancy
Skype: nancyfoclink
Mob/whatsapp: +86 187 3519 7652
Email: nancy at foclink dot com
website: www.foclink.com
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