DWDM 100G/40G/25G

C-LIGHT independently developed 100G/40G/25G DWDM SFP28 QSFP+ optical module supports long-distance transmission, covering transmission distances of 10km and 40km. The product supports CDR, has a high temperature 85 °C DWDM series product, and the wavelength supports 96 waves 50GHz/100GHz, which can meet a variety of network requirements. It is particularly suitable for occasions that require high-speed and high-bandwidth transmission, such as 5G fronthaul, access network uplink and metropolitan area network. Its communication protocol complies with IEEE 802.3ae, the interface protocol complies with SFF-8431 and SFF-8432, and the packaging protocol complies with SFP+MSA. C-LIGHT has more than 15 years of rich experience in the field of optical communications, focusing on providing spot supply and customization services, and is committed to providing customers with high-quality optical module solutions. DWDM optical modules are compatible with switches of more than 100 brands, and are committed to providing original after-sales service to help customers effectively control costs.

3-year warranty

Long term maintenance

Technical Support

Professional free technical guidance

100% detection

Each module is 100% tested

Spot stock

Always in stock, short delivery time

Technical Support

Tel：+86 158 1857 3751

Online Consultation

Product Details

Support & Service

Quality Inspection

Quality Certification

Product Details

⚡ DWDM Solution

DWDM 100G / 40G / 25G Optical Transceiver Series

C‑LIGHT independently developed 100G / 40G / 25G DWDM SFP28 / QSFP+ / QSFP28 optical modules support long‑distance transmission, covering distances from 10 km to 120 km. The product supports CDR, features high‑temperature 85°C DWDM series, and the wavelength supports 96 waves 50GHz / 100GHz, which can meet a variety of network requirements. It is particularly suitable for occasions that require high‑speed and high‑bandwidth transmission, such as 5G fronthaul, access network uplink and metropolitan area network.

Product Specifications

Form Factor	Part Number	Fiber	Rate	Wavelength	Distance	Connector	Temperature
QSFP28	CL100GQ28ZR	SMF	100G	C-band 96ch Tunable DWDM, DCO	120km	LC	Com.
QSFP28	CL100GQSFPDW10-**	SMF	100G	O-band DWDM	10km	LC	Com.
DWDM QSFP+	CL40GQSFPDW4-XX	SMF	40G	4x C-BAND DWDM	80km	LC	Com./Ind.
DWDM SFP28	CLSFP25GDW40P-LXX	SMF	25G	LAN-WDM 12CH	40km	LC	Com./Ext./Ind.
DWDM SFP28	CLSFP25GDW40P/E/I-XX	SMF	25G	C-BAND DWDM	40km	LC	Com./Ext./Ind.
DWDM SFP28	CLSFP25GDW30P/E/I-XX	SMF	25G	C-BAND DWDM	30km	LC	Com./Ext./Ind.
DWDM SFP28	CLSFP25GDW15E/I-XX	SMF	25G	C-BAND DWDM	15km-20km	LC	Com./Ext./Ind.
DWDM SFP28	CLSFP25GDW10E/I-XX	SMF	25G	C-BAND DWDM	10km	LC	Com./Ext./Ind.
DWDM SFP28	CLSFP25GTDWB18	SMF	25G	C-BAND Tunable DWDM	18dB	LC	Com./Ind.
DWDM SFP28	CLSFP25GTDWB12	SMF	25G	C-BAND Tunable DWDM	12dB	LC	Com./Ind.
DWDM SFP28	CLSFP25GDWB12-XX	SMF	25G	C-BAND DWDM	12dB	LC	Com./Ind.

Product Overview

25G SFP28 40G QSFP+ 100G QSFP28 Fixed DWDM Tunable DWDM 10–120 km Metro / Regional

Key Features

Complete DWDM portfolio covering 25G, 40G and 100G
SFP28, QSFP+ and QSFP28 pluggable form factors
Fixed DWDM wavelengths and tunable DWDM options
Transmission distances from 10 km to 120 km
High optical output power & excellent receiver sensitivity
Low power consumption with optimized thermal performance
Commercial, Extended and Industrial temperature versions
100% factory tested for optical performance and interoperability

Product Advantages

Maximizes fiber utilization through DWDM multiplexing
Flexible deployment for metro, regional and enterprise networks
High‑density transmission while reducing infrastructure costs
Excellent compatibility with mainstream networking vendors
Carrier‑grade reliability for mission‑critical deployments
Optimized optical budget for stable long‑distance transmission
Flexible wavelength options simplify network expansion
Supports OEM and ODM customization services

Supported Standards

100G QSFP28 DWDM
40G QSFP+ DWDM
25G SFP28 DWDM
Fixed DWDM Wavelength
C‑Band Tunable DWDM
96‑Channel DWDM Grid
SFF‑8431 / SFF‑8432 MSA
IEEE Ethernet Standards Compliance

Product Highlights

Up to 100Gbps optical transmission
High‑performance EML laser technology
Stable performance over wide temperature ranges
Excellent OSNR performance for DWDM systems
Hot‑pluggable optical module design
Low BER and high transmission stability
Ideal for high‑bandwidth optical backbone networks
Fast delivery with comprehensive technical support

Typical Applications

Metro Area Networks (MAN)
Regional Optical Transport Networks
Telecom Backbone Networks
Cloud Data Center Interconnect (DCI)
Enterprise Private Optical Networks
Campus Backbone Networks
5G Mobile Fronthaul and Backhaul
Financial Trading Networks

Performance Highlights

Data rates from 25Gbps to 100Gbps
Transmission distance up to 120 km
Fixed and Tunable DWDM wavelength options
Commercial, Extended and Industrial temperature grades
Low power consumption & efficient heat dissipation
Excellent optical budget and receiver sensitivity
Carrier‑grade reliability for 24/7 operation
Fully compliant with industry MSA specifications

Quality & Support

100% initial test, final test and factory inspection
3‑step quality control management process
100% implementation of customer order quality requirements
100% guarantee of customer product data security
3‑year warranty & long‑term maintenance
Professional free technical guidance
Always in stock with short delivery time
Compatible with 100+ mainstream switch brands

100G Max Data Rate

120 km Max Transmission Distance

96 CH DWDM Channel Grid

C‑Band Fixed & Tunable DWDM

Support&Service

Customized Needs

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Customized Needs

C-LIGHT R&D and sales provide various personalized product customization services for customers in different industries.

C-LIGHT ensures good product quality and quality assurance through a series of effective measures.

C-LIGHT provides professional pre-sales and after-sales services, including product certification qualifications, product reports, and free technical support.

C-LIGHT provides an excellent production environment to ensure that products can meet customer needs.

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Quality inspection

●100% of products pass initial test, final test and factory inspection.

●3-step quality control management process.

●100% complete implementation of customer order quality requirements.

●100% guarantee of customer product data information security.

Quality certification

Please contact us to download the certification certificate.

Please Note: Installing a third party transceiver does not void your network equipment warranty. Network equipment manufacturers all have guidelines stating that warranty support on their products will not be affected.

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Phone：+86 158 1857 3751
Email : sales@c-light.com

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