The LINK-PP LQD-CW800-2LR4C 800G QSFP-DD optical transceiver delivers high-density 800Gbps connectivity leveraging a built-in Broadcom 7nm DSP and PAM4 modulation. Compliant with IEEE 802.3cu-2022, IEEE 802.3df-2024, and CMIS 5.0 standards, this commercial-grade module supports 2x400G-LR4 breakout networking over single-mode fiber up to 10km. Operating from 0°C to 70°C with maximum 18W power consumption, it ensures scalable data center performance.
Key Features of LINK-PP LQD-CW800-2LR4C 800G QSFP-DD
Engineered for next-generation hyperscale data centers, this 800G QSFP-DD transceiver features a dual 400G-LR4 architecture, 8-channel 100G PAM4 electrical interfaces, and integrated Broadcom DSP. It offers low 18W maximum power dissipation, hot-pluggable form factor, CMIS 5.0 compliance, and robust digital optical monitoring for seamless network management and scalability.
This advanced 800G QSFP-DD optical module integrates state-of-the-art Broadcom 7nm DSP technology to deliver dual 400G LR4 connections. It optimizes throughput and port density in high-bandwidth cloud infrastructures while maintaining low power consumption and reliable operational stability.
LQD-CW800-2LR4C: 800G Connectivity for MAN Core Networks
Designed to empower metropolitan area network core infrastructures, this high-speed optical module provides robust 800Gbps transmission capabilities. Its 10km single-mode reach and dual 400G breakout functionality enable service providers to scale interconnect bandwidth efficiently without replacing existing fiber plants.
LQD-CW800-2LR4C Module with CWDM4 Technology for Fiber Efficiency
Utilizing coarse wavelength division multiplexing technology, the module multiplexes four distinct optical channels per interface over single-mode fiber. This CWDM4 architecture doubles fiber utilization efficiency, enabling massive data transport across fewer optical strands to significantly lower cabling costs.
LQD-CW800-2LR4C Module with 1271nm, 1291nm, 1311nm, 1331nm Wavelength
Operating on standard CWDM grid center wavelengths of 1271nm, 1291nm, 1311nm, and 1331nm, this transceiver ensures precise signal separation. The dual-link optical design uses these four lanes twice, guaranteeing low chromatic dispersion and optimal signal integrity over long distances.
Capable of reaching distances up to 10km over standard single-mode fiber, this 800G QSFP-DD module provides long-reach connectivity for data center interconnects. Advanced EML transmitters and Broadcom DSP ensure reliable low-latency transmission across extended network topologies.
LQD-CW800-2LR4C Module with Dual Duplex LC Interface
Featuring dual duplex LC connectors, this optical module provides two physically independent 400G LR4 interfaces without requiring optical breakout cables. This direct-connect design simplifies patch panel cabling, minimizes connection losses, and streamlines high-density server rack deployment.
LQD-CW800-2LR4C Module with DOM for Real-Time Monitoring
Integrated Digital Optical Monitoring (DOM) capabilities allow network administrators to monitor critical operational parameters in real time via an I2C interface. Parameters including temperature, voltage, laser bias current, and optical power are continuously tracked for proactive fault prevention.
Every LQD-CW800-2LR4C transceiver undergoes comprehensive quality assurance protocol testing, covering high-speed signal integrity, optical output precision, and thermal stress evaluations to guarantee flawless enterprise-grade operational reliability.
LQD-CW800-2LR4C Quality Certifications
Manufactured under stringent ISO-certified production facilities, this 800G transceiver satisfies Class 1 laser safety standards and global regulatory directives, ensuring high product durability and eco-friendly compliance.
This product is in conformity with ISO9001. This system is valid to a company engaging in development, production and supply service of fiber optical products. Please contact us to learn more.
ISO/IEC 27001 is an international standard for managing and processing information security. This standard is jointly developed by the International Organization for Standardization (ISO) and the International Electrotechnical Commission (IEC). It sets out requirements for establishing, implementing, maintaining, and continually improving an information security management system (ISMS). Ensuring the confidentiality, integrity, and availability of organizational information assets, obtaining an ISO 27001 certificate means that the enterprise has passed the audit conducted by a certification body, proving that its information security management system has met the requirements of the international standard. Please contact us to learn more.
This product is in conformity with ISO14001.It is intended for use by an organization seeking to manage its environmental responsibilities in a systematic manner that contributes to the environmental pillar of sustainability. Please contact us to learn more.
ISO 45001 is a global standard that sets out the requirements for an occupational health and safety management system (OH&SMS).
REACH is a European Union regulation concerning the Registration, Evaluation, Authorization and Restriction of Chemicals. It came into force on 1st June 2007 and replaced a number of European Directives and Regulations with a single system. The regulation aims to protect human health and environmental safety, maintain and improve the competitiveness of the EU chemical industry, and develop innovative capabilities for non-toxic and harmless compounds to prevent market fragmentation, increase the transparency of the use of chemicals, promote non-animal experiments, and pursue sustainable social development.Please contact us to learn more.
This product meets the applicable requirements of Directive (EU) 2015/863 of RoHS. It restricts the use of 10 hazardous materials in the manufacture of various types of electronic and electrical equipment: lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls, polybrominated diphenyl ethers, and four different phthalates. Please contact us to learn more.
This product fully accords with the FCC, which aims to manage the radio wave and magnetic fields more reasonably. Please contact us to learn more.
CB is an international system operated by IECEE. This product is based on IEC standards for testing the safety performance of electrical products. Please contact us to learn more.
This product fully accords with UKCA (UK Conformity Assessed) certificate, which signifies that it meets all relevant quality standards as well as health and safety requirements. Please contact us to learn more.
UL certification is a non-mandatory certification in the United States,mainly testing and certification of product safety performance.Its ultimate purpose is to obtain products with a fairly safe level for the market,and to contribute to ensuring human health and property safety.Please contact us to learn more.
LQD-CW800-2LR4C Certified for Reliable Host-Device Compatibility
Fully compliant with CMIS 5.0 and QSFP-DD800 MSA specifications, the module is rigorously verified across major vendor switches and routers for plug-and-play inter-operability and reliable link activation.
Comprehensive multi-stage testing validates optical, electrical, and environmental integrity, ensuring maximum performance stability for mission-critical 800G QSFP-DD data center deployments.
Optical Spectrum Test
Spectrum analysis confirms precise CWDM wavelength accuracy, side-mode suppression ratio, and optical power uniformity.
Eye Pattern Test
Advanced eye pattern testing measures TDECQ and signal distortion, guaranteeing clean PAM4 optical waveforms.
Bit Error Rate Test
Extensive BER testing ensures error-free data packet transmission across full 10km optical links.
Temperature Test
Thermal cycling verifies reliable operation and stable laser output across 0°C to 70°C case temperatures.
Product Shipping for LINK-PP LQD-CW800-2LR4C 800G QSFP-DD
Our specialized shipping workflow guarantees secure ESD protection, impact-resistant packaging, and rapid international transit for every LINK-PP LQD-CW800-2LR4C module order worldwide.
Anti-Static Protective Packaging
Each module is sealed in individual ESD-shielding anti-static bags.
Shock-Resistant Transport Protection
Custom foam cushioning protects transceivers from mechanical shocks during transit.
Fast Order Processing and Dispatch
Orders are promptly processed and dispatched to accelerate network deployment timelines.
Global Logistics and International Delivery
Partnered with major global express carriers for fast, traceable worldwide delivery.
Simply insert the hot-pluggable module into an 800G QSFP-DD slot and connect standard LC single-mode fiber cables. The transceiver automatically negotiates link parameters via CMIS 5.0, enabling immediate high-density dual 400G LR4 breakout connectivity.
LQD-CW800-2LR4C 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 LQD-CW800-2LR4C 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.
A:
Yes, absolutely! These Link-PP 800G QSFP-DD transceivers are extensively coded and tested to ensure full interoperability with Cisco networking equipment. They behave exactly like the OEM optics without triggering any alarm errors. By
admin
A:
We certainly do. For bulk deployments like your DCI project, we provide significant volume discounts lowering the unit price. We also support Net terms for qualified enterprise buyers. Please reach out to our sales team directly for your customized quote! By
admin
A:
No breakout cables are needed! It features a dedicated Dual Duplex LC connector design. You can directly plug in two standard distinct Duplex LC/UPC fiber patch cords to instantly achieve two 400G LR4 links up to 10km. By
admin
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495720
510083
P***z
Chile
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Purchase
5 .0
2026-08-30
Deployed these 800GBASE-2LR4 transceivers for our core data center interconnect. Dual Duplex LC interface perfectly splits into 2x 400G LR4 links without breakout cables. DOM monitoring is highly accurate.
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495720
510085
C***n
United Kingdom
Verified
Purchase
5 .0
2026-08-03
Outstanding OEM compatibility across our Arista and Juniper mixed environment! Bulk deployment of these 8x100G modules saved huge IT budget. Zero packet loss during 72-hour burn-in campus network tests.
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495720
510092
C***h
Norway
Verified
Purchase
5 .0
2026-08-02
Tested Cisco compatible 800G optics in our AI cluster switches. 1310nm PAM4 modulation handled massive workloads over 8km single mode fiber flawlessly. Thermal dissipation at 18W is well within 0-70°C limits.
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495720
510087
M***n
Japan
Verified
Purchase
5 .0
2026-05-14
Upgraded to 800G QSFP-DD optics for spine-leaf architecture. EML transmitter and PIN receiver combo delivers stable long-haul signals up to 10km. CMIS 5.0 protocol syncs perfectly with our existing infrastructure.
United States · English · USD
