Xelivor Xelivor

China Top RJ45 Connectivity Module Factory & Exporter

Pioneering High-Speed Signal Integrity, Custom Electromagnetic Interference Shielding, and Enterprise-Grade Network Connectivity Solutions Globally

Global Enterprise Procurement Demands for RJ45 Connectivity & High-Speed Modules

As hyper-scale data centers, Edge Computing architecture, and the industrial Internet of Things (IIoT) expand rapidly, international procurement agencies are facing a critical evolution in their physical layer requirements. The baseline criteria for selecting an RJ45 connectivity module factory have progressed far beyond basic electrical connectivity. Today, modern system integrators, telecom operators, and enterprise equipment suppliers evaluate components based on their signal integrity under harsh environmental conditions, electromagnetic compatibility (EMC), and thermal dissipation footprints.

In high-density server configurations, electromagnetic interference (EMI) is a persistent operational hazard. Multi-port configurations, such as 2x4, 2x6, and stacked 2x8 RJ45 magnetic jacks, demand internal magnetics capable of isolating differential noise and mitigating crosstalk (near-end and far-end) across high bandwidth frequencies. Global procurers need solutions that support 100/1000 Base-T all the way up to multi-gigabit (2.5G, 5G, and 10G Base-T) ethernet over copper infrastructure (Cat5e, Cat6, Cat6a) without introducing performance bottlenecks. Our manufacturing processes address these strict procurement metrics, ensuring every shipped batch matches or exceeds IEEE 802.3 standards.

Data Center Scalability
Hyperscale infrastructures require robust, low-latency copper transceivers and SFP+ modules capable of supporting high density and reliable hot-swapping configurations.
Total Cost Optimization (TCO)
Procurement directors require components designed for longevity, low power consumption, and thermal efficiency to minimize cooling expenses and operational overhead.
Strict Compliance Assurance
Products must completely adhere to global standards like RoHS, REACH, UL, and CE, guaranteeing reliable field operations across different regional regulatory frameworks.

Xelivor Optoelectronics: Empowering Global Optical and Copper Network Architectures

Established in 2016, Xelivor Optoelectronics Co., Ltd. has established itself as an elite developer and manufacturer of optical transceivers, discrete magnetic transformers, and integrated RJ45 connectivity modules. Operating from a highly optimized, state-of-the-art facility covering 386 m², we focus on precision engineering, advanced cleanroom manufacturing protocols, and rigorous quality control systems. By combining specialized layout architectures with lean manufacturing processes, we deliver high performance without design compromises.

With over 8 years of deep industry expertise and 6 years of global export experience, Xelivor has generated annual export revenues exceeding USD 12 million. Our international footprint spans North America, Europe, Southeast Asia, the Middle East, and South America. We support critical infrastructures from basic enterprise local area networks (LANs) to hyperscale cloud data centers.

USD 12M+
Annual Export Revenue
68
R&D Engineers
32
QA Inspectors
850+
Supply Chain Partners

Our specialized R&D workforce of 68 engineers is continuously advancing design boundaries. To address rapid shifts in high-speed optical and copper networks, Xelivor launched more than 85 new specialized products in the past year alone. This strong developmental capability allows us to offer comprehensive OEM/ODM, private label, customized firmware, customized packaging, and tailor-made labeling services.

Quality assurance is central to the factory's philosophy. Our quality management system incorporates strict incoming material inspection, in-process quality control (IPQC), thermal aging tests, system compatibility verification, optical parameter diagnostics, and final performance inspections. Backed by 32 dedicated QA inspectors, we guarantee that every single component delivers industry-leading reliability.

Technical Blueprint: Electromagnetic Shielding & High-Frequency Performance

Designing network connectivity hardware for modern enterprise deployments requires a deep understanding of high-frequency magnetics and physical layer performance. When signals reach gigabit and multi-gigabit speeds (such as 2.5G and 10G Base-T), high-frequency attenuation, return loss, and electromagnetic interference (EMI) increase significantly. A standard RJ45 connector without proper shielding becomes an antenna, radiating EMI and picking up external noise that causes packet drops and latency spikes.

Our Integrated Magnetic Jacks (ICMs) address these issues by enclosing the impedance-matched transformers, common-mode chokes, and autotransformers within a 360-degree, nickel-plated brass or copper alloy shield. This robust metal envelope blocks external radiated emissions and contains internal high-frequency switching energy. Additionally, we integrate internal common-mode chokes to suppress common-mode currents. This helps maintain stable performance and ensures compliance with strict FCC Part 15 and EN 55022 Class B electromagnetic radiation standards.

Our copper alloy contacts feature selective gold plating (up to 50 micro-inches) over a nickel underplate. This design prevents corrosion, minimizes contact resistance, and sustains over 750 mating cycles. Whether deploying low-profile RJ45 magjacks for thin appliances or multi-port stacked jacks for high-density switches, our products are engineered for clean signal paths and reliable mechanical performance.

PoE & PoE+ Integration
Engineered to support Power over Ethernet (IEEE 802.3af/at/bt) up to 90W per port. Built with heavy-gauge magnetics to prevent thermal degradation and DC offset current saturation.
Crosstalk Suppression
Optimized internal layouts reduce near-end crosstalk (NEXT) and far-end crosstalk (FEXT) by isolating individual differential signal pairs within the PCB.
Integrated Light Pipes
Optional integrated status LEDs or SFP/SFP+ light pipes save board space while providing immediate visual diagnostics for network activity.

Macro Industry Solutions: Seamless Coexistence of Copper & Optical Networks

As bandwidth needs grow, modern networks rely on a mix of optical and copper infrastructure. High-speed optical networks form the core backbone of data centers, while copper Ethernet remains the primary connection method for the edge, user endpoints, and localized power delivery (PoE). Xelivor's product portfolio is uniquely positioned to bridge this space. We manufacture high-performance SFP+ copper modules, discrete magnetic network transformers, and optical transceivers like the 10GBASE-T SFP+ copper transceiver, enabling seamless conversions and interconnections between optical fibers and copper Category cabling.

For industrial automation, our ruggedized RJ45 connectivity modules offer stable, continuous communication on factory floors. These environments are often plagued by high voltage surges, vibrations, and severe electromagnetic noise from heavy machinery. Our solutions feature integrated isolation transformers designed to withstand up to 1500V AC dielectric isolation, protecting sensitive PHY chips from dangerous surges. For telecom operators, our high-density optical transceivers support long-distance backhaul up to 80km, while our EMI-shielded SFP+ cages and stacked RJ45 connectors handle localized distribution. This end-to-end reliability ensures peak network performance at every point in the system.

Future Technical Roadmap: Supporting Next-Gen Multi-Gigabit Demands

The networking landscape is shifting toward higher frequencies and smaller footprints. The rise of Wi-Fi 7 access points, 5G small cells, and AI-driven edge platforms has made multi-gigabit connections over copper essential. To meet these demands, Xelivor's engineering roadmap is focused on developing 10G Base-T integrated RJ45 jacks with even lower insertion losses and enhanced crosstalk cancellation at frequencies up to 500MHz.

At the same time, we are advancing our optical transceiver lineup toward 400G and 800G capabilities (QSFP-DD and OSFP form factors) to support the next wave of high-bandwidth cloud infrastructure. Our goal is to create highly integrated modules that combine optical transceivers and copper connectivity into unified, space-saving layouts. By investing in automatic wire-winding technology and advanced silicon photonics, we ensure our global partners can access cost-effective, high-performance, and future-proof networking solutions.

Supply Chain Resilience, Standards, & Compliance Assurance

Managing international supply chain risks requires strict quality compliance and dependable manufacturing logistics. Xelivor works with a trusted network of over 850 supply chain partners. This strong ecosystem ensures we maintain steady raw material access, consistent production timelines, and reliable pricing even during global market shifts.

Every RJ45 connectivity module and optical transceiver we produce undergoes rigorous testing. We maintain certifications for ISO9001:2015, and our entire product line complies with RoHS and REACH standards. By using trace-monitored manufacturing, we can track raw components from arrival through final shipment. This level of oversight provides global OEM/ODM clients with complete peace of mind, knowing every component is built to perform reliably in the field.

Technical FAQ for Procurement & Engineering Teams

What is the advantage of using an Integrated Connector Module (ICM) over discrete magnetic solutions?
An Integrated Connector Module (ICM) combines the RJ45 physical connector with internal magnetics (transformers, common-mode chokes, and resistors/capacitors) into a single, shielded housing. This setup saves valuable PCB real estate, simplifies board layout, and reduces electromagnetic interference (EMI) by housing the magnetics directly within a Faraday cage shield.
Do your RJ45 magnetic modules support Power over Ethernet (PoE/PoE+/PoE++)?
Yes, we manufacture RJ45 connectors with integrated magnetics designed specifically for PoE (IEEE 802.3af), PoE+ (IEEE 802.3at), and PoE++ (IEEE 802.3bt) configurations. These modules feature specialized, high-current magnetic cores that resist saturation and handle the higher temperatures generated by up to 90W of power delivery.
How does Xelivor ensure compatibility between its optical modules and third-party host devices?
We operate a dedicated compatibility lab equipped with main brand switches, routers, and network interface cards (NICs). Every transceiver undergoes firmware optimization and real-world system testing to ensure seamless compatibility with equipment from major global vendors, including Cisco, TE, and others.
What custom OEM/ODM capabilities do you offer for RJ45 connectors and SFP cages?
Our OEM/ODM services include custom PCB footprint layouts, varying tab directions (tab-up or tab-down), integrated LED color combinations, custom shell grounding configurations, and SFP cage options with or without light pipes. We also support custom firmware configuration and specialized product packaging.