We have outdoor telecom cabinets and edge computing enclosures. Is an industrial wide-temperature (-40°C to +85°C) version available for this 2km CWDM4 transceiver?

Yes, while the standard unit operates under commercial temperature ranges (0°C to 70°C), we also supply industrial-grade (I-Temp, -40°C to 85°C) customized versions specifically built for harsh outdoor telecom base stations and non-temperature-controlled edge cabinets.

We are upgrading our enterprise datacenter spine-leaf fabric and need over 120 units. Do you provide tiered bulk discount pricing and project quotation support?

Yes, we offer tiered volume pricing, dedicated corporate account managers, and formal B2B invoicing for high-density datacenter rollouts. Feel free to submit your bill of materials (BOM) to our enterprise sales desk for custom project pricing.

Can we use this 100G CWDM4 QSFP28 module to interconnect a Cisco Nexus 9300 on one end and an Arista 7050X3 on the other without EEPROM vendor-lock errors?

Yes, absolutely. We provide vendor-specific EEPROM customization for Cisco, Arista, Juniper, Dell, Mellanox, and generic MSA architectures. Both ends will recognize the transceivers natively without CLI compatibility warnings or port shutdown issues.

How does the optical performance and bit error rate (BER) of this CWDM4 transceiver compare to original OEM modules like Cisco QSFP-100G-CWDM4-S?

The transceiver utilizes high-grade 4-channel uncooled DFB laser arrays (1271/1291/1311/1331nm) and high-sensitivity PIN receivers that strictly match original OEM electrical and optical specifications. You achieve the same line-rate 100Gbps throughput, low latency, and real-time DOM monitoring at a fraction of the OEM cost.

Is this transceiver fully compliant with international datacenter standards, CWDM4 MSA, and environmental regulations for North America and Europe?

Yes, the module complies fully with CWDM4 MSA, IEEE 802.3ba 100GBASE-CWDM4, SFF-8665, and SFF-8636 standards. It carries CE, FCC, and RoHS certifications, manufactured under ISO9001, ISO14001, and ISO45001 certified facilities.

Breadcrumb: Home; Products; Optics Transceivers | SFP Modules; 10/25/40G/100G Transceiver Modules; 100G QSFP28/SFP-DD; 206361

Click to open expanded view

LINK-PP LQ-CW100-FR4C 100G CWDM4 QSFP28 1310nm 2km DOM Duplex LC SMF Optical Transceiver Module

Name: LINK-PP LQ-CW100-FR4C 100G CWDM4 QSFP28 1310nm 2km DOM Duplex LC SMF Optical Transceiver Module
Brand: LINK-PP
SKU: 206361
Price: 157.52 USD
Availability: InStock
Rating: 5 (47 reviews)

Product: LINK-PP LQ-CW100-FR4C 100G CWDM4 QSFP28 1310nm 2km DOM Duplex LC SMF Optical Transceiver Module
SKU: 206361
P/N: LQ-CW100-FR4C
Price: $ 179
Stock: 6200 in Stock
Sold: 9.8K
Product URL: https://www.l-p.com/products/472577.htm

For Order Over $1000 Get $15.00 Off , Code: Linkpp15

For Order Over $3000 Get $50.00 Off , Code: Linkpp50

For Order Over $5000 Get $100.00 Off , Code: Linkpp100

New Users: $10 Coupon for Orders , Code: linkpp2610

47 Reviews

5 Questions

9.8K Sold

$ 179

Free shipping. For wholesale pricing, please contact us directly.

Qty (pcs) :

Unit Price :

$ 179

$ 173.63

100

$ 168.26

1000

$ 162.89

3000

$ 157.52

Manufacture: LINK-PP P/N: LQ-CW100-FR4C SKU: 206361

Compatible:: Cisco; LINK-PP; Alcatel-Lucent; Allied Telesis; Arista; Avago; Brocade; Check Point; Chelsio; D-Link; Dell; Edge-Core; Extreme; F5 Networks; FS; Fortinet; Generic; H3C; HPE Aruba; HW; Intel; Juniper; MRV; Mikrotik; NVIDIA/Mellanox; Palo Alto

Compatible P/N:: LQ-CW100-FR4C | 2km; LQ-CW100-FR4I | 2km; LQ-CW100-LR4C | 10km

Shipping:

Free Shipping

to United States via FedEx

Estimated delivery time : 3-10 days.

5-Year Warranty 30-Day Returns 30-Day Exchange

Stock:

{{parseInt(detail_data.left_num) ? detail_data.left_num +' in Stock' :detail_data.zeroStockOrder==0?'Out of Stock':'Available'}} .

Quantity:

( Min. Order {{detail_data.prodInfo.minimum_ordered_quantity}} )

Total Price:

{{ detail_data.displayed_price.unit_prefix }} {{ detail_data.displayed_price.original_total_price }} ( {{ detail_data.displayed_price.rate_of_discount }}% OFF ) {{detail_data.displayed_price.ex_sell_type}}

Specifications
Features
Certification
Testing
Shipping
Usage
Support
Assurance
Comparison
Specification
Matching Products
Download
Q&A
Customer Reviews

LINK-PP LQ-CW100-FR4C 100G QSFP28 Specifications

The LINK-PP LQ-CW100-FR4C is a high-performance 100G QSFP28 CWDM4 optical transceiver expertly designed for modern data center interconnects. Featuring a built-in four-wavelength DFB laser and robust PIN detector, this single-mode module delivers up to 25.78Gbps per channel. Operating seamlessly under commercial temperatures, it guarantees efficient 100GBASE Ethernet links with exceptional reliability.

LINK-PP Part Number:	LQ-CW100-FR4C	Vendor Name	LINK-PP
Form Factor	QSFP28	Max Data Rate	103.12Gbps
Wavelength	1271nm, 1291nm, 1311nm and 1331nm	Max Cable Distance	2km
Connector	Duplex LC	Media	SMF
Transmitter Type	DFB	Receiver Type	PIN
Modulation (Electrical)	4x 25G-NRZ	Modulation (Optical)	4x 25G-NRZ
DDM/DOM	Supported	Operating Temperature Range	0°C to +70°C
Protocols	QSFP28 MSA, SFF-8636, IEEE 802.3ba, IEEE 802.3bm, CAUI-4	Warranty	5 Years

Key Features of LINK-PP LQ-CW100-FR4C 100G QSFP28

This electrically hot-pluggable 100G optic integrates a highly efficient CWDM TOSA and built-in CDR on both transmitter and receiver sides. Ensuring optimal signal integrity, the QSFP28 MSA compliant module maintains a remarkably low power dissipation of under 3.5W for demanding networking environments.

LINK-PP LQ-CW100-FR4C 100G QSFP28 Optical Module

As a premier 100G QSFP28 optical module, this transceiver provides seamless 100Gbps transmission for scalable infrastructure. Fully compliant with SFF-8436 standards, the device acts as a reliable backbone for high-speed fiber optic network upgrades.

LQ-CW100-FR4C: 100G Connectivity for IP Routing Networks

Engineered to support robust 100G connectivity, this optical transceiver perfectly complements enterprise routing networks and core switches. It effectively handles massive data loads, ensuring uninterrupted communication across complex, high-capacity IP routing architectures.

LQ-CW100-FR4C Module with CWDM4 Technology for Fiber Efficiency

Utilizing an advanced 4 CWDM lanes Mux/Demux design, this transceiver multiplexes four distinct signals into a single fiber channel. This cutting-edge CWDM4 technology drastically improves optical fiber utilization, lowering cabling costs for dense data centers.

LQ-CW100-FR4C Module with 1271nm, 1291nm, 1311nm, 1331nm Wavelength

The module operates precisely across central wavelengths of 1271nm, 1291nm, 1311nm, and 1331nm. Driven by a high-quality distributed feedback laser array, these specific optical channels ensure stable multiplexed transmission without inter-channel signal interference.

LQ-CW100-FR4C Module Supporting 2km Transmission

Designed for medium-reach optical communications, this QSFP28 transceiver effortlessly supports up to 2km transmission distances. Operating over standard single-mode fiber (SMF), it provides the ideal coverage for campus networks and interconnected data center facilities.

LQ-CW100-FR4C Module with Duplex LC Interface

Equipped with an industry-standard duplex LC connector, this optical interface facilitates fast and secure fiber patching. The standard physical connection ensures wide compatibility with existing data center cabling infrastructure, simplifying rapid network deployments.

LQ-CW100-FR4C Module with DOM for Real-Time Monitoring

Featuring a built-in Digital Optical Monitoring Interface, the transceiver enables administrators to track vital operational parameters. This real-time DOM functionality monitors temperature, voltage, and optical power via I2C, guaranteeing proactive network maintenance.

LINK-PP LQ-CW100-FR4C 100G QSFP28 Certification

Maintaining strict regulatory compliance, this 100G QSFP28 CWDM4 module proudly carries CE, FCC, UKCA, UL, and RoHS certifications, representing global manufacturing excellence and safety.

LQ-CW100-FR4C Quality Testing Program

Every transceiver undergoes a highly rigorous quality testing program during manufacturing. This comprehensive validation process strictly guarantees defect-free optical modules capable of surviving demanding networking environments.

LQ-CW100-FR4C Quality Certifications

Beyond baseline industry standards, the transceiver is thoroughly REACH certified. These elite quality certifications ensure environmentally responsible production and superior long-term hardware reliability for enterprises.

LQ-CW100-FR4C Certified for Reliable Host-Device Compatibility

Completely MSA compliant, this versatile 100G module is extensively certified for reliable host-device compatibility, ensuring plug-and-play integration with major branded switches and routing equipment worldwide.

Rigorous Testing Ensures Reliable QSFP28 Performance

Through systematic laboratory evaluations, we verify ultimate transmission stability. This rigorous testing ensures reliable QSFP28 performance across various extreme networking conditions.

Rigorous Testing Ensures Reliable Transceiver Performance

Optical Spectrum Test

Verifies exact CWDM wavelengths to prevent signal crosstalk within the optical spectrum.

Eye Pattern Test

Evaluates the transceiver eye diagram to confirm pristine high-speed 100G signal integrity.

Bit Error Rate Test

Measures data accuracy using PRBS patterns to guarantee an exceptionally low bit error rate.

Temperature Test

Confirms flawless thermal stability across the entire 0°C to 70°C case operating temperature range.

Product Shipping for LINK-PP LQ-CW100-FR4C 100G QSFP28

We prioritize the secure delivery of your networking equipment. Our comprehensive transceiver shipping process ensures your optical modules arrive safely and promptly.

Anti-Static Protective Packaging

Each optical module is individually sealed in secure anti-static protective packaging.

Shock-Resistant Transport Protection

We utilize premium shock-resistant transport protection to prevent physical transit damage.

Fast Order Processing and Dispatch

Enjoy fast order processing and rapid dispatch directly from our global inventory.

Global Logistics and International Delivery

We partner with trusted carriers to guarantee reliable global logistics and international delivery.

LINK-PP LQ-CW100-FR4C 100G QSFP28 Usage Demonstration

Simply insert the electrically hot-pluggable module into any compatible switch QSFP28 slot. Next, securely attach a single-mode duplex LC patch cord. The transceiver immediately links up, providing a seamless 100G hardware upgrade with zero complex configuration required.

LQ-CW100-FR4C Technical Support

LINK-PP provides professional technical support, including pre-sales consultation, compatibility verification, and post-deployment troubleshooting to ensure smooth network operation.

Pre-Sales Technical Consultation

Professional technical guidance to help customers select the most suitable LQ-CW100-FR4C modules based on network architecture and application requirements.

Compatibility Verification Support

Compatibility checks and validation to ensure seamless operation with Cisco switches and other supported networking platforms.

Deployment & Installation Assistance

Step-by-step support for installation, configuration, and initial deployment to ensure stable and correct operation.

Long-Term Technical Assurance

Ongoing technical support throughout the product lifecycle to ensure reliable performance in enterprise and carrier-grade networks.

LINK-PP LQ-CW100-FR4C 100G QSFP28 After-Sales Assurance

LINK-PP provides after-sales support for the smooth deployment and reliable operation of the optical modules.

15-day no-reason return and refund

Free replacement for dead-on-arrival (DOA) or defective items within the initial period

Free repair services for manufacturing defects throughout the warranty period

Warranty exclusions and conditions apply

Model Comparison Table

	Current Model LQ-CW100-FR4C	LQ-CW100-FR4I

Compatible	LINK-PP	LINK-PP
Data Rate (Max)	103.12Gbps	103.12Gbps
Wavelength	1271nm, 1291nm, 1311nm and 1331nm	1271nm, 1291nm, 1311nm, 1331nm
Connector	Duplex LC	Duplex LC
Cable Distance (Max)	2km	2km
Cable Type	SMF	SMF
Operating Temperature	0°C to +70°C	-40°C to +85°C
Form Factor	QSFP28	QSFP28
Transmitter Type	DFB	DFB
Receiver Type	PIN	PIN
Modulation (Electrical)	4x 25G-NRZ
Modulation (Optical)	4x 25G-NRZ
DDM/DOM	Supported	Supported
Protocols	QSFP28 MSA, SFF-8636, IEEE 802.3ba, IEEE 802.3bm, CAUI-4	QSFP28 MSA, CWDM4 MSA, IEEE802.3bm, SFF-8636
Warranty	5 Years	5 Years

Action

Matching Products

Pictures

ID#

Description

Price

Stock

Add to Cart

Download

Product Drawing

PDF
LQ-CW100-FR4C.pdf

Questions & Answers
Ask a Question

No data

Q: We have outdoor telecom cabinets and edge computing enclosures. Is an industrial wide-temperature (-40°C to +85°C) version available for this 2km CWDM4 transceiver? By D***s on 2026-04-15

A: Yes, while the standard unit operates under commercial temperature ranges (0°C to 70°C), we also supply industrial-grade (I-Temp, -40°C to 85°C) customized versions specifically built for harsh outdoor telecom base stations and non-temperature-controlled edge cabinets. By admin on 2026-04-15
Q: We are upgrading our enterprise datacenter spine-leaf fabric and need over 120 units. Do you provide tiered bulk discount pricing and project quotation support? By D***r on 2026-04-09

A: Yes, we offer tiered volume pricing, dedicated corporate account managers, and formal B2B invoicing for high-density datacenter rollouts. Feel free to submit your bill of materials (BOM) to our enterprise sales desk for custom project pricing. By admin on 2026-04-09
Q: Can we use this 100G CWDM4 QSFP28 module to interconnect a Cisco Nexus 9300 on one end and an Arista 7050X3 on the other without EEPROM vendor-lock errors? By K***n on 2026-03-25

A: Yes, absolutely. We provide vendor-specific EEPROM customization for Cisco, Arista, Juniper, Dell, Mellanox, and generic MSA architectures. Both ends will recognize the transceivers natively without CLI compatibility warnings or port shutdown issues. By admin on 2026-03-25
Q: How does the optical performance and bit error rate (BER) of this CWDM4 transceiver compare to original OEM modules like Cisco QSFP-100G-CWDM4-S? By D***s on 2025-12-12

A: The transceiver utilizes high-grade 4-channel uncooled DFB laser arrays (1271/1291/1311/1331nm) and high-sensitivity PIN receivers that strictly match original OEM electrical and optical specifications. You achieve the same line-rate 100Gbps throughput, low latency, and real-time DOM monitoring at a fraction of the OEM cost. By admin on 2025-12-12
Q: Is this transceiver fully compliant with international datacenter standards, CWDM4 MSA, and environmental regulations for North America and Europe? By T***n on 2025-12-09

A: Yes, the module complies fully with CWDM4 MSA, IEEE 802.3ba 100GBASE-CWDM4, SFF-8665, and SFF-8636 standards. It carries CE, FCC, and RoHS certifications, manufactured under ISO9001, ISO14001, and ISO45001 certified facilities. By admin on 2025-12-09

Customer Reviews
Write a Review

{{stardata.star}}

{{comment.count}} reviews
5 Stars

{{comment.star5}}%

4 Stars

{{comment.star4}}%

3 Stars

{{comment.star3}}%

2 Stars

{{comment.star2}}%

1 Star

{{comment.star1}}%

All Reviews ({{comment.star_num?comment.star_num:comment.count}})

All Reviews

5 stars only

4 stars only

3 stars only

2 stars only

1 star only
Reviews with Pictures ( {{comment.pic_comment}} )
See All Reviews

No data

A***t

Switzerland

Verified Purchase

5 .0

2026-07-12

Instant 100G link on Juniper QFX5120. (^_^)v

112 Helpful vote Comments

K***r

Venezuela

Verified Purchase

5 .0

2026-06-09

Migrated our university campus distribution layer from 40G to 100G using existing duplex LC single-mode fiber runs. These CWDM4 transceivers saved us from expensive MTP cable pulls while maintaining ultra-low latency and spotless packet delivery.

61 Helpful vote Comments

J***n

Germany

Verified Purchase

5 .0

2026-04-24

Ran 72-hour burn-in across mixed Juniper QFX and Dell PowerSwitch topology in our hot-aisle containment rows. Temperatures stayed well inside commercial thresholds, and internal DFB laser arrays maintained locked center wavelengths without drift.

208 Helpful vote Comments

C***r

United Kingdom

Verified Purchase

5 .0

2026-03-23

Bulk deployment on Dell switches went smooth!

205 Helpful vote Comments

C***n

Poland

Verified Purchase

5 .0

2026-03-18

Smooth 100G link between building A and B across single-mode fiber infrastructure. Highly recommended!

77 Helpful vote Comments

S***n

Mexico

Verified Purchase

5 .0

2026-03-10

Reliable 2km single-mode reach, excellent value. :)

117 Helpful vote Comments

J***n

Finland

Verified Purchase

5 .0

2026-02-06

Solid 2km SMF CWDM4 transceivers, zero packet loss.

198 Helpful vote Comments

J***n

Canada

Verified Purchase

5 .0

2026-02-04

Deployed fifty LQ-CW100-FR4C units for our datacenter interconnect fabric. Power draw averaged 3.1W per transceiver, DOM reporting perfectly matched our Calnex test gear, and Arista EOS recognized the EEPROM coding immediately without warning flags.

145 Helpful vote Comments

R***s

Macao

Verified Purchase

5 .0

2026-01-24

Power consumption stays well below 3.5W per port in high-density TOR leaf switches.

96 Helpful vote Comments

A***h

Panama

Verified Purchase

5 .0

2025-12-24

Clean 1310nm CWDM wavelengths, zero CRC errors. ✨

114 Helpful vote Comments

S***l

Greece

Verified Purchase

5 .0

2025-12-22

Rock-solid DOM readings on our Cisco Nexus.

57 Helpful vote Comments

A***n

Philippines

Verified Purchase

5 .0

2025-12-11

Great QSFP28 optics, exactly as advertised.

113 Helpful vote Comments

L***r

Switzerland

Verified Purchase

5 .0

2025-10-31

Ideal QSFP28 CWDM4 optics for enterprise spine-leaf architecture upgrades on a reasonable budget.

51 Helpful vote Comments

L***a

Brazil

Verified Purchase

5 .0

2025-10-24

Low power draw, runs super cool.

64 Helpful vote Comments

M***z

France

Verified Purchase

5 .0

2025-10-21

Replaced pricey OEM optics in our Mellanox cluster. DOM diagnostics read precise optical power levels.

177 Helpful vote Comments

M***e

Bolivia

Verified Purchase

5 .0

2025-10-20

Deployed 24 units in telecom cell site backhaul. Link budget and stability are spot on.

64 Helpful vote Comments

M***z

United Kingdom

Verified Purchase

5 .0

2025-10-15

Flawless interop between Arista and Cisco core switches using existing OS2 duplex LC cables.

40 Helpful vote Comments

K***s

Hong Kong

Verified Purchase

5 .0

2025-10-07

Best budget QSFP28 100G CWDM4 optics around!

176 Helpful vote Comments

M***s

United Kingdom

Verified Purchase

5 .0

2025-09-30

Plugged into Arista 7050X3, linked instantly at 100G! ⚡️

83 Helpful vote Comments

E***n

Austria

Verified Purchase

5 .0

2025-09-19

Upgraded campus backbone with these 100G CWDM4 modules. Duplex LC patch ran 1.4km without drops!

30 Helpful vote Comments

J***s

Saudi Arabia

Verified Purchase

5 .0

2025-09-06

Bench-tested these 100G CWDM4 QSFP28 modules across a 2km OS2 fiber spool. Optical power levels across 1271-1331nm DFB channels remained completely steady with zero BER under full load traffic on Cisco Nexus 9300.

182 Helpful vote Comments

R***l

Mexico

Verified Purchase

4 .0

2025-08-14

Outer box got slightly crushed during transit, but the QSFP28 CWDM4 optic functions flawlessly.

8 Helpful vote Comments

C***r

Mexico

Verified Purchase

4 .0

2025-08-03

Delivery took an extra day to Frankfurt, yet DOM metrics and 100G links are perfect. ⏱️

7 Helpful vote Comments

D***z

Republic of Korea

Verified Purchase

5 .0

2025-06-27

Clean optical eye pattern and no frame errors across our 1.8km single-mode span.

106 Helpful vote Comments

J***z

Russian Federation

Verified Purchase

5 .0

2025-06-10

Flawless duplex LC 100G module for spine-leaf.

59 Helpful vote Comments

S***i

Argentina

Verified Purchase

5 .0

2024-01-25

works great !

88 Helpful vote Comments

D***o

Turkey

Verified Purchase

5 .0

2023-10-22

Good service, better prices, and Fast delivery even with economy shipping, no wonder I keep going back!!!

99 Helpful vote Comments

J***m

Israel

Verified Purchase

5 .0

2023-10-18

Work like a charm as expected from LINK-PP one of the leading providers of 10/25/40G Transceiver Modules.

40 Helpful vote Comments

W***e

Malaysia

Verified Purchase

5 .0

2023-08-21

On a summit, my partner introduced l-p.com and thought highly of their good products and service. Then I wanted to have a try. I have to say both the customer support and account manager are very professional. They answered my questions about application and recommended the appropriate 10/25/40G Transceiver Modules&Lan Transformer. Thanks for their useful help.

39 Helpful vote Comments

M***u

Germany

Verified Purchase

5 .0

2023-07-24

I found the item I was looking for quickly and ordered. It arrived from overseas in 4 days, 2 of which were over a weekend. Several emails keeping me informed was also a welcome perk.

48 Helpful vote Comments

G***t

Cambodia

Verified Purchase

5 .0

2023-07-18

Product not tested, is yet to be installed but awsome customer assistance during my order. Good packaging, Fast delivery in France.

29 Helpful vote Comments

D***g

Bulgaria

Verified Purchase

5 .0