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.

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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)

# 206361

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

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

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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

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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

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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

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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