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LQ-LW100L-ER4I 100g qsfp28 lan-wdm 1310nm 40km duplex lc smf lite optical transceiver module (industrial)
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LINK-PP LQ-LW100L-ER4I 100G QSFP28 LAN-WDM 1310nm 40km Duplex LC SMF Lite Optical Transceiver Module (Industrial)

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Product summary

Product
LINK-PP LQ-LW100L-ER4I 100G QSFP28 LAN-WDM 1310nm 40km Duplex LC SMF Lite Optical Transceiver Module (Industrial)
SKU
216508
P/N
LQ-LW100L-ER4I
Price
$ 1,205.00
Stock
229 in Stock
Sold
331
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
23 Reviews
4 Questions
331 Sold
$ 1,205.00
Free shipping over $99. For wholesale pricing, please contact us directly.
Qty (pcs) :
Unit Price :
1
$ 1,205.00
10
$ 1,168.85
100
$ 1,132.70
1000
$ 1,096.55
3000
$ 1,060.40
Manufacture: LINK-PP P/N: LQ-LW100L-ER4I SKU: 216508
Compatible:
LINK-PP
Shipping:
Free Shipping
to United States via FedEx IP
Estimated delivery time : 3 - 10 days.
5-Year Warranty 15-Day Returns 15-Day Exchange
Warranty
  • Providing industry-leading 5-year warranty.
  • Read the table for details of all products' warranty.
Returns & Exchange
  • Refunds will be received about 5 business days after the receipt of returned items.
  • Items in stock for replacement can be shipped within 1 business day.
  • Read the full return policy for details.
Stock:
229 in Stock .
Quantity:
Total Price:
$ 1,205.00

LINK-PP LQ-LW100L-ER4I 100G ER4 Lite Specifications

The LINK-PP LQ-LW100L-ER4I is a high-performance 100G QSFP28 ER4 Lite industrial-grade optical transceiver. Equipped with an advanced EML laser and APD detector, this optical module supports 103.125Gbps Ethernet and 111.81Gbps OTU4 dual data rates. It operates reliably between -40°C and 85°C, ensuring robust network connectivity in extreme environmental conditions.

LINK-PP Part Number LQ-LW100L-ER4I Vendor Name LINK-PP
Form Factor QSFP28 Max Data Rate 111.81Gbps
Wavelength 1295.56nm, 1300.05nm, 1304.58nm, 1309.14nm Max Cable Distance 40km
Connector Duplex LC Media SMF
Transmitter Type EML Receiver Type APD
DDM/DOM Supported Operating Temperature Range -40°C to +85°C
Modulation (Electrical) 4x 25G-NRZ Modulation (Optical) 4x 25G-NRZ
Protocols QSFP28 MSA, SFF-8636, IEEE 802.3bm, CAUI-4 Warranty 5 Years

Key Features of LINK-PP LQ-LW100L-ER4I 100G QSFP28

Designed for demanding telecom networks, the LINK-PP LQ-LW100L-ER4I 100G QSFP28 transceiver delivers exceptional long-reach performance. This industrial-grade module integrates cutting-edge LAN-WDM technology and comprehensive digital diagnostic monitoring, offering unparalleled reliability, superior thermal management, and ultra-low power consumption under 5W.

LINK-PP LQ-LW100L-ER4I 100G QSFP28 Optical Module

The LINK-PP LQ-LW100L-ER4I 100G QSFP28 optical module provides seamless high-speed data transmission. Engineered for harsh industrial settings, this ruggedized transceiver ensures stable bandwidth aggregation, exceeding 100Gbps network requirements for modern telecommunication and core routing architectures.

LQ-LW100L-ER4I: 100G Connectivity for DCI

Empowering Data Center Interconnect (DCI) networks, the LQ-LW100L-ER4I guarantees ultra-low latency and high-capacity routing. This 100G connectivity solution excels in bridging dispersed data centers, enabling scalable, long-haul cloud infrastructure networks with uncompromising data integrity.

LQ-LW100L-ER4I Module with LAN-WDM Technology for Fiber Efficiency

Utilizing advanced LAN-WDM technology, the LQ-LW100L-ER4I module multiplexes four distinct lanes onto a single fiber. This optical multiplexing significantly enhances fiber efficiency, reducing deployment costs while maximizing existing single-mode fiber bandwidth in long-reach optical networks.

LQ-LW100L-ER4I Module with 1295.56nm, 1300.05nm, 1304.58nm and 1309.14nm Wavelength

Operating across precise LAN-WDM grid specifications, the LQ-LW100L-ER4I module utilizes 1295.56nm, 1300.05nm, 1304.58nm, and 1309.14nm central wavelengths. This wavelength assignment minimizes chromatic dispersion over extended distances, ensuring flawless high-speed optical signal integrity for core networks.

LQ-LW100L-ER4I Module Supporting 40km Transmission

By leveraging high-sensitivity APD receivers and Forward Error Correction (FEC), the LQ-LW100L-ER4I module supports impressive 40km transmission distances over single-mode fiber. For legacy systems without FEC, it still reliably achieves 30km extended reach operations.

LQ-LW100L-ER4I Module with Duplex LC Interface

Featuring a standard duplex LC interface, the LQ-LW100L-ER4I module allows for seamless integration into existing optical distribution frames. This widely adopted connector ensures secure, low-loss physical mating, streamlining network upgrades and simplifying long-haul fiber patching.

LQ-LW100L-ER4I Module with DOM for Real-Time Monitoring

The LQ-LW100L-ER4I module incorporates integrated Digital Optical Monitoring (DOM). This diagnostic feature allows network administrators to continuously track critical parameters like temperature, voltage, and optical power through a standard 2-wire serial interface, preventing unexpected network downtime.


LINK-PP LQ-LW100L-ER4I 100G QSFP28 Certification

The LINK-PP LQ-LW100L-ER4I 100G QSFP28 optical transceiver undergoes stringent validation. It adheres strictly to international safety protocols and environmental directives, guaranteeing top-tier compliance for global enterprise deployments.

Optical Transceivers Testing

Our extensive LQ-LW100L-ER4I quality testing program systematically validates every optical component. We conduct rigorous performance simulations to ensure exceptional durability and zero-defect reliability in demanding communication environments.

LQ-LW100L-ER4I Quality Certifications

Earning comprehensive international recognition, the LQ-LW100L-ER4I holds CE, FCC, UKCA, UL, and REACH quality certifications, confirming its absolute safety, electromagnetic compatibility, and strict environmental compliance.

LQ-LW100L-ER4I Certified for Reliable Host-Device Compatibility

The LQ-LW100L-ER4I is certified for reliable host-device compatibility. It perfectly complies with QSFP28 MSA specifications, ensuring seamless plug-and-play interoperability across leading switch and router network equipment vendors.


Rigorous Testing Ensures Reliable QSFP28 Performance

Every unit undergoes comprehensive factory evaluation. This rigorous testing ensures reliable QSFP28 performance, verifying optimal optical fidelity and electrical stability before final market release.

Optical

Optical Spectrum Test

Verifies LAN-WDM center wavelengths and checks the precise side-mode suppression ratio.

Optical

Eye Pattern Test

Evaluates transmitter output signal quality and jitter tolerance for clear 100G data transmission.

Optical

Bit Error Rate Test

Confirms flawless long-haul 40km signal reception by ensuring minimal data packet loss.

Optical

Temperature Test

Guarantees continuous industrial-grade operation across extreme -40°C to 85°C environmental conditions.


Product Shipping for LINK-PP LQ-LW100L-ER4I 100G QSFP28

We maintain strict packaging protocols for the LINK-PP LQ-LW100L-ER4I 100G QSFP28, ensuring your optical hardware arrives swiftly and in pristine factory condition.

Anti-Static Protective Packaging

Anti-Static Protective Packaging

ESD-safe shielding prevents static damage to internal microelectronic optical components.

Shock-Resistant Transport Protection

Shock-Resistant Transport Protection

Custom-fitted foam cushioning absorbs vibrations, protecting delicate EML lasers during transit.

Fast Order Processing and Dispatch

Fast Order Processing and Dispatch

Efficient warehouse management guarantees immediate shipment scheduling for your networking equipment.

Global Logistics and International Delivery

Global Logistics and International Delivery

Trusted worldwide courier partnerships ensure reliable, trackable delivery to any location.

LINK-PP LQ-LW100L-ER4I 100G QSFP28 Usage Demonstration

Deploying the LINK-PP LQ-LW100L-ER4I 100G QSFP28 is straightforward. Simply insert the hot-pluggable optical module into a compatible industrial switch port, then connect your duplex LC single-mode fiber to establish immediate, high-capacity connectivity for telecom backbone infrastructure.

LQ-LW100L-ER4I 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

Pre-Sales Technical Consultation

Professional technical guidance to help customers select the most suitable LQ-LW100L-ER4I modules based on network architecture and application requirements.

Compatibility Verification Support

Compatibility Verification Support

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

Deployment & Installation Assistance

Deployment & Installation Assistance

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

Long-Term Technical Assurance

Long-Term Technical Assurance

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

LINK-PP LQ-LW100L-ER4I 100G QSFP28 After-Sales Assurance

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

15 days

15-day no-reason return and refund

Free maintenance or replacement

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

Free maintenance

 Free repair services for manufacturing defects throughout the warranty period

Limitations

Warranty exclusions and conditions apply

Model Comparison Table

LINK-PP

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Customer Reviews

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  • 5

    23 reviews

  • 5 Stars
    96%
    4 Stars
    4%
    3 Stars
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No data
R***z
United Kingdom
Verified Purchase
5 .0
2026-08-27
Compatible with my Cisco gear immediately.
A***n
Czech Republic
Verified Purchase
5 .0
2026-08-08
Working great in extreme data center temps!
M***z
Poland
Verified Purchase
5 .0
2026-08-01
Solid OEM compatible optics. Fast deployment. ⚙️
D***l
Switzerland
Verified Purchase
5 .0
2026-07-28
Tested the LQ-LW100L-ER4I on our Juniper and Cisco core switches. Perfect LAN-WDM 1310nm compatibility, zero packet loss across a 38km campus optical network link. Solid B2B networking gear.
P***z
Costa Rica
Verified Purchase
5 .0
2026-07-22
Built a multi-site data center interconnect. This 100GBASE-ER4 industrial transceiver handled the extended temperature variation like a champ. DOM stats match original optics, making our batch deployment extremely cost-effective.
S***g
India
Verified Purchase
5 .0
2026-07-22
These ER4 Lite optics are a lifesaver for our harsh outdoor cabinet deployments.
C***e
Colombia
Verified Purchase
5 .0
2026-07-22
Solid 100G QSFP28 module for long-haul. Recognized instantly by our Arista network switches!
R***t
Czech Republic
Verified Purchase
5 .0
2026-07-20
Deployed these industrial QSFP28 ER4 Lite modules in our outdoor enclosures (-30°C). 40km SMF distance is spot on, DDM readings are incredibly stable. Great alternative to overpriced OEM optics.
J***a
Viet Nam
Verified Purchase
5 .0
2026-07-11
Top-tier 100GBASE-ER4 Lite module. No errors.
S***n
Saudi Arabia
Verified Purchase
5 .0
2026-07-08
Great OEM alternative! The DOM monitoring is precise and the 100G signal is rock-solid.
L***s
Czech Republic
Verified Purchase
5 .0
2026-07-02
Reliable duplex LC connectivity. Very satisfied.
B***r
Panama
Verified Purchase
5 .0
2026-06-29
Outstanding 100Gbps transmission. Easy plug-and-play with our existing multi-brand networking equipment stack. Love it!
E***z
Sweden
Verified Purchase
5 .0
2026-06-26
Fully MSA compliant and robust. Perfect single-mode fiber optical transceiver for our enterprise NAS.
P***g
United Kingdom
Verified Purchase
5 .0
2026-06-15
Linked two server rooms 30km apart flawlessly.
P***s
Canada
Verified Purchase
5 .0
2026-06-04
Perfect 40km reach for our fiber network.
T***z
Ireland
Verified Purchase
5 .0
2026-06-03
Used these for 5G base station backhaul. The LC duplex interface and MSA compliance made integration flawless. Link-PP's 100G optical transceiver modules deliver massive bandwidth over single-mode fiber reliably.
S***t
Russian Federation
Verified Purchase
5 .0
2026-06-02
Excellent LAN-WDM 1310nm performance. Running flawlessly on a 35km single mode fiber run. ⚡
N***s
Netherlands
Verified Purchase
5 .0
2026-05-13
Best industrial 100G QSFP28 for the price!
A***r
Sweden
Verified Purchase
5 .0
2026-05-12
Unbeatable value for industrial grade 100G transceivers. DDM features work flawlessly on our routers.
M***n
Colombia
Verified Purchase
5 .0
2026-05-01
Seamless 40km reach! The LINK-PP LQ-LW100L-ER4I is exactly what our campus network needed.
P***s
United States
Verified Purchase
4 .0
2026-04-09
Box was a bit crushed, but the 100G QSFP28 ER4 module works perfectly.
J***r
Netherlands
Verified Purchase
5 .0
2026-03-29
Flawless 100G SMF transceiver! Highly recommended.
J***s
Republic of Korea
Verified Purchase
5 .0
2026-03-23
LAN-WDM 1310nm specs match perfectly. Great buy!
Verified Purchase
.0
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