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WT-QSFP28-LR4 High-Speed Optical Modules

100Gb/s QSFP28 LR4 10km Optical ModuleHot

Product Features

  • Supports data rates up to 103.1Gb/s, with each channel operating at 25.78Gb/s
  • Transmission over single-mode fiber (SMF) for distances up to 10 kilometers
  • Utilizes LAN-WDM DFB lasers and PIN receivers
  • Integrated digital diagnostic monitoring via I2C interface
  • QSFP28 MSA-compliant package with duplex LC connector
  • Single +3.3V power supply
  • Maximum power consumption: 4W
  • Operating temperature range: 0 to +70°C
  • Compliant with EU Directive 2011/65/EU (RoHS 6/6)
* Wintop Photoelectric provides professional technical support and sales consultation
* If you need further assistance, please contact Pre-sales Consultation

The QSFP28-LR4 transceiver module is designed to support 100 Gigabit Ethernet connections over single-mode fiber with transmission distances of up to 10 kilometers. This module is compliant with the QSFP28 Multi-Source Agreement (MSA), IEEE 802.3ba 100GBASE-LR4, and IEEE 802.3bm CAUI-4 standards. It provides digital diagnostic functions via an I2C interface in accordance with the QSFP+ MSA specifications.

Technical Specifications

Product Technical Specifications

WT-QSFP28-LR4 Specifications
Model WT-QSFP28-LR4 Form Factor QSFP28
Data Rate 4×25Gbps Wavelength 1295.56 / 1300.05 / 1304.58 / 1309.14nm
Transmission Distance 10km Interface LC duplex
Fiber Type SMF (Single-Mode Fiber) Transmitter Type LAN WDM DML (DFB)
Receiver Type PIN Digital Diagnostics (DDM/DOM) Yes
Operating Temperature (Commercial) 0 ~ 70°C Transmitter Optical Power -4.3 ~ +4.5dBm
Receiver Sensitivity < -8.6dBm Power Consumption ≤4W
Extinction Ratio >4dB Protocols IEEE 802.3ba, 100GBASE-LR4, IEEE 802.3bm, QSFP28 MSA, SFF-8665, SFF-8636
Warranty 3 years Compatibility Cisco, Huawei, H3C, ZTE, Ruijie, HP, Digital China, Juniper, Alcatel, Arista Networks, BROCADE, DELL, D-LINK, Extreme, Mellanox, Nortel, Ericsson, Hirschmann, MOXA, Raisecom, Nokia, Intel
  • R&D Capabilities

    Wintop operates a 10,000-square-foot R&D center and has accumulated over 60 technology and invention patents, establishing a comprehensive intellectual property system.

  • Performance Testing

    Every product from Wintop Photoelectric undergoes comprehensive testing on professional communication equipment testing platforms to ensure the solutions operate efficiently and stably in real-world application environments.

  • Quality Management

    Stringent quality management and high-standard material control systems ensure high-quality, highly stable products.

Quality Certification

Wintop products are manufactured in compliance with stringent quality standards.

  • Wintop Photoelectric Environmental Management System Certification
  • Wintop Photoelectric Occupational Health and Safety Management System Certification
  • Wintop Photoelectric Quality Management System Certification
  • EU CE Certification / Mandatory Product Conformity Mark
  • FCC Federal Communications Commission Certification (USA)
  • EU RoHS Environmental Certification / Restriction of Hazardous Substances Directive

Frequently Asked Questions

If you cannot find a relevant solution, please contact us

  • 1.  Installation Precautions

    Please ensure the device is securely placed to prevent falling or strong vibrations. Use a power supply that meets the required specifications. Avoid operating the device in damp, dusty, or environments with strong electromagnetic interference. Do not open the device casing during operation. When cleaning, disconnect the power first and use a dry, soft cloth. The interfaces support hot-plugging, but please ensure standard cables and modules are used.

  • 2.  Report Security Vulnerabilities

    If you discover potential or actual security vulnerabilities related to Wintop Photoelectric products or identify security issues on Wintop Photoelectric external websites, please send the relevant information to our dedicated security incident response team email. Our professional security experts will promptly investigate and address the matter, while strictly maintaining the confidentiality of your identity and information.

  • 3.  Maintenance Services

    Choosing Wintop maintenance services means choosing peace of mind. We remain committed to our service philosophy of efficiency, speed, professionalism, and comprehensiveness, providing comprehensive repair and maintenance services for your equipment to support your business growth. No matter what type of repair or maintenance service you require, Wintop Photoelectric is dedicated to delivering high-quality, convenient, and worry-free solutions, ensuring your complete satisfaction and peace of mind.

Product and Solutions Inquiry

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WT-QSFP28-LR4 High-Speed Optical Modules

100Gb/s QSFP28 LR4 10km Optical Module

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