Lumopt Lumopt

CE Certified RJ45 Connector Compatible Manufacturers & Factory

High-Density Ethernet Connection Modules, Modular Shielded Jacks & Optical Transceiver Engineering. Fully Certified OEM/ODM Solutions Supporting Tier-1 Global Brand Configurations.

High-Performance Interconnect Solutions

Explore our CE certified, high-frequency RJ45 connectors, SFP enclosures, and precision magnetic components engineered for minimal return loss and exceptional EMI shielding.

100 Base-T Single Port Through Hole Magnetics Transformer

100 Base-T Single Port Through Hole Magnetics Transformer BD16A01

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Tab up 10/100 Base-t SMT RJ45 Connector

Tab up 10/100 Base-t SMT RJ45 Connector Magnetic Ethernet Surface Mount RJ45 Jack

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2198318-1 TE Replacement 2x1 Ports Through Hole ZSFP+ Cage

2198318-1 TE Replacement 2x1 Ports Through Hole Press-Fit 40P EMI Shielded ZSFP+ Cage With Connector

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2294408-2 TE Compatible Through Hole ZSFP+ Housing

2294408-2 TE Compatible Through Hole Ganged 1x8 Ports ZSFP+ Housing Press-Fit SFP+ Cage

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Shielded With EMI Fingers RJ45 Modular Connector

Shielded With EMI Fingers RJ45 Modular Connector RJ000002

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Double-Layer 1000 base-t 2x1 port rj45 connector

Double-Layer 1000 base-t 2x1 port rj45 connector RJMG12163226600R RJMG163003101NR RJSAE-5384-02 SS-7388H11S-NF-50

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Single Mode SFP 4G Optical Transceiver Module

Single Mode SFP 4G Fibre Channel 1310nm 10km Duplex LC Optical Transceiver Module

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RJHSE-5085 without Transformer Jack RJ45 Female Connector

RJHSE-5085 without Transformer Jack RJ45 Female Connector

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The Global Landscape of Optical & Copper Interconnection

In today's hyper-connected industrial landscape, high-density data systems rely heavily on robust signal integrity and continuous component cross-compatibility. The modern RJ45 ethernet connector configuration is far more than just plastic and wire; it is a meticulously calibrated system designed to prevent electromagnetic interference (EMI), control crosstalk, and handle substantial power transmissions (such as Power over Ethernet - PoE++).

As an industry-leading manufacturer, we bridge the gap between legacy standards and next-generation designs. Whether deploying Category 5e, 6, 6A, or Cat 8 solutions, ensuring strict compliance with CE marking guidelines, RoHS directive, and REACH thresholds is a non-negotiable prerequisite for entry into demanding global markets like Europe, North America, and Southeast Asia.

By developing structural replacements for major global brands—including TE Connectivity, Pulse Electronics, Amphenol, and Molex—we empower hardware design engineers to preserve physical design footprints while introducing highly resilient, cost-effective, and supply-chain secure alternatives.

Global Technical Requirements

  • Frequency Optimization: Minimizing Return Loss and Insertion Loss at high bandwidths.
  • Shielding & Grounding: Multi-point grounding configurations with integrated EMI fingers.
  • Mechanical Integrity: Phosphor bronze contacts with heavy-grade gold plating (up to 50u") to ensure a minimum of 750 mating cycles.
  • Integrated Magnetics: Consolidating discrete transformers, common-mode chokes, and capacitors into one unified "MagJack" frame to save PCB space.
Lumopt Factory Facility

Corporate Profile & Customization Capability

Lumopt Opto Technology Co., Ltd., registered as Luguang Communication Technology Co., Ltd. in China, is a professional manufacturer and exporter specializing in high-performance optical transceivers and networking components.

We focus on the research, development, production, and customization of a comprehensive suite of optical modules—covering 10G, 25G, 100G, 400G, 800G, and 1.6T speeds—alongside our specialized line of premium RJ45 connector modules with integrated magnetics. Our products are widely deployed in modern enterprise datacenters, cloud-computing facilities, high-performance AI compute clusters, telecom carriers, and heavy-duty industrial automation applications.

Equipped with ISO-certified dust-free assembly environments, advanced automated validation testing systems, and an agile R&D team, we enforce stringent quality controls. We back global sourcing needs with complete OEM and ODM customization services, guaranteeing structural compatibility with leading Western manufacturers.

Standardized Process Control & Production Integrity

Every ethernet component and transciever element undergoes a series of strict processes, ensuring mechanical durability and signal stability under demanding thermal ranges.

State-of-the-Art QA & Production Testing Instruments

We deploy advanced diagnostics at every phase of production. From automatic welding to custom transformer testing, our laboratory guarantees standard compliance.

Localized Application Scenarios & Physical Deployments

From heavy industry environments to edge server rooms, our CE certified RJ45 connectors adapt to unique field demands.

Enterprise Datacenters

Providing high-density SFP+ cages and multi-port ganged RJ45 connectors capable of handling high bandwidth, minimizing cross-talk in multi-tier server rack switches.

Industrial IoT (IIoT)

Waterproof GigE RJ45 models featuring enhanced lock structures resist mechanical vibration, heavy thermal cycling, and humidity on CNC and PLC automation lines.

High-Reliability Medical Gear

Our MagJacks are designed with a minimum of 1500V AC isolation barrier, securing diagnostics, MRI equipment, and remote telemetry from transient spikes.

China Factory Supply Chain Resiliency & Cost Advantages

Sourcing network components from our state-of-the-art Chinese production facility offers unique raw material access and structural cost optimizations. The local industrial cluster allows us to source high-grade phosphor bronze, optical lasers, and advanced plastics (such as LCP for SMT reflow compatibility) with shorter lead times.

By integrating the production of discrete telecom transformers with final RJ45 mechanical assembly, we maintain vertical control over the entire BOM (Bill of Materials). This mitigates risks from global supply chain disruptions while maintaining stable prices. Our fully automated high-volume output guarantees batch-to-batch structural consistency.

Technical Roadmap & Future Outlook

Our R&D is focused on meeting the demands of next-generation infrastructure, specifically Category 8 (Cat8) Ethernet, which operates at up to 2,000 MHz. This requires enhanced internal shields to virtually eliminate alien crosstalk (AXT).

Concurrently, our optical division is transitioning to 800G and 1.6T Co-Packaged Optics (CPO) architectures. This convergence of optical fiber efficiency with traditional copper physical layers positions us to support future high-speed computing networks.

Standard Validation Metrics

Our quality assurance processes verify every single RJ45 modular jack and transceiver module before export.

1500V
Hi-Pot Voltage Isolation
750+
Insertion Life Mating Cycles
50u"
Selective Gold Plating Thickness
100%
Automatic Optical Inspected (AOI)

Frequently Asked Questions

Answers to technical and commercial inquiries from global hardware engineers and procurement managers.

What testing standards do your CE certified RJ45 connectors conform to?
Our RJ45 connectors are tested to meet EU directive standards, verifying mechanical limits (IEC 60603-7) and electrical performance. We check for dielectric breakdown under 1500V AC testing, measure return loss up to the rated bandwidth limits, and guarantee safety and chemical requirements via RoHS and REACH certifications.
Are your connectors cross-compatible with parts from TE Connectivity, Amphenol, or Pulse Electronics?
Yes, our RJ45 connectors and SFP cages are engineered to match standard PCB foot patterns and heights. For example, our 2198318-1 and 2294408-2 equivalents provide drop-in replacements for TE cages, maintaining identical electrical pin assignments and mechanical footprints.
How do integrated magnetics (MagJacks) improve system design?
Integrating components like standard transformers, common mode chokes, and high-voltage capacitors directly inside the RJ45 shield saves valuable PCB board real estate, shortens trace runs, and improves overall electromagnetic compatibility (EMC) by containing high-frequency signal loops.
Can you provide custom LED options and specific gold plating thicknesses?
Yes. We offer customizable LED status indicator lights (Yellow, Green, bi-color options) and variable selective gold plating options on the RJ45 mating pins (ranging from flash gold up to 50 micro-inches) to meet project life and corrosive-resistance requirements.

Advanced High-Density Transceivers & Connector Cages

Select from our specialized press-fit optical cages, SMT modular connectors, and active transceivers designed for low power consumption and high system density.

RV1-2012QP1A RJ45 Connector Modular Jack

RV1-2012QP1A RJ45 Connector Modular Jack

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1000 Base-T Single Port Through Hole Telecom Magnetics Modules

1000 Base-T Single Port Through Hole Telecom Magnetics Modules QD18A11

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Tab up 10/100 Base-t SMT Surface Mount Magnetic Ethernet RJ45 Connector

GE5T3013-LC Tab up 10/100 Base-t SMT Surface Mount Magnetic Ethernet RJ45 Connector With Led

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Gige Transformer Modules RJ45 Waterproof Connector

Gige Transformer Modules RJ45 Waterproof Connector LJ-T40B4L-00-F

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TE Compatible Through Hole 200P Press-Fit SFP+ Cage

1-2132403-6 TE Compatible Through Hole 200P Press-Fit 2x5 EMI Shielded SFP+ Cage With Light Pipe

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With PoE Single Port 8P8C Modular Jack SMT RJ45 Connector

With PoE Single Port 8P8C Modular Jack SMT RJ45 Connector

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Right Angle Low Profile RJ45 Inverted Modular Jack

Right Angle Low Profile RJ45 Inverted Modular Jack 1840453-1

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10/100/1000BASE-T SGMII Copper SFP RJ-45 Transceiver

10/100/1000BASE-T SGMII Copper SFP RJ-45 100m Optical Transceiver Module

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