Lumetra
Lumetra
Explore our primary range of shielded RJ45 bridge jacks, high-precision transceivers, and advanced optical modules engineered for high signal integrity and severe industrial conditions.
Established in 2016, Lumetra Optoelectronics Technologies Co., Ltd. has established itself as an engineering-driven leader in design, characterization, and high-volume manufacture of state-of-the-art optical transceivers and high-speed electrical connectors. Drawing upon over 11 years of cumulative industrial expertise, Lumetra focuses on solving bandwidth challenges, signal integrity limitations, and mechanical alignment requirements for datacom networks, telecommunications networks, and enterprise IT infrastructure.
With a comprehensive production facility covering 8,500 square meters, Lumetra runs high-efficiency production lines that combine SMT automation, cleanroom optical assembly, and environmental stress screening. Our robust manufacturing capabilities yield an annual export value of approximately USD 18 million, shipping high-performance connectivity components to telecom operators and system integrators globally.
Leveraging partnerships with over 1,200 reliable supply chain vendors, we secure high-grade raw components, specialized magnetic cores, and optical sub-assemblies (TOSA/ROSA) to prevent operational downtime and maintain quick lead times.
Our quality assurance department has 48 certified inspectors implementing inline visual inspections, automated optical testing (AOI), and precise high-frequency network analysis to verify every single port's structural and electrical reliability.
As the digital economy grows, telecommunications infrastructure and hyperscale data centers are moving larger amounts of data than ever before. Central to this physical layer interconnectivity is the RJ45 bridge connector. Unlike standard modular jacks, bridge connectors link multiple physical ports or integrate copper physical layer devices (PHY) with high-density optical transceivers.
These components must handle high frequency ranges (e.g., Cat6a, Cat7, Cat8 up to 2000 MHz) while reducing electromagnetic interference (EMI) and crosstalk. In multi-port environments like switches and routers, space is tight. Industrial system designers rely on multi-port RJ45 connectors (like 1x4 and 2x4 configurations) with integrated magnetics (MagJack technology) to optimize board layout and improve performance.
China’s manufacturing ecosystem offers major supply chain advantages for sophisticated networking hardware. At Lumetra, we optimize our production using localized supply chains for raw engineering plastics (like LCP and PBT), copper alloys, and high-frequency ferrite cores. This lets us source and assemble rapidly without long transit times.
Our 8,500㎡ facility uses automated assembly lines to keep production high and product quality consistent. Automating tasks like contact-pin insert molding, LED wire-bonding, and automated optical inspections helps us minimize human error. These efficiency gains enable us to supply global networks with high-quality components at competitive price points.
With 86 R&D engineers, we support specialized customizations, including specific pin lengths, LED colors, shielding configurations, and tailored magnetic parameters.
We launched approximately 220 new products last year, showing our commitment to keeping up with evolving data rates, physical formats, and performance requirements.
We use vector network analyzers, thermal cycling chambers, and salt-mist test systems to ensure our connectors meet specifications before they leave the factory.
Our high-reliability RJ45 components and optical transceivers are built for demanding settings:
When buying connectors and transceivers, purchasing managers should look for these key details:
1. Magnetic Integration: Choosing connectors with integrated magnetics protects PHY chips and helps keep PCB layouts clean.
2. Environmental Compliance: Ensure products comply with RoHS and REACH standards to meet international regulations.
3. Multi-Vendor Compatibility: Transceivers should support multi-source agreements (MSA) to work smoothly in mixed hardware setups (Cisco, Hirschmann, etc.).
Integrating magnetic components inside the RJ45 connector housing (often called a MagJack) saves PCB space, shortens traces to the PHY chip, improves ESD protection, and reduces electromagnetic interference (EMI).
Our R&D team analyzes and codes transceiver EEPROMs to match target vendor platforms (like Cisco and Hirschmann). We run actual-system testing to ensure host hardware recognizes our modules without issues.
Industrial-grade connectors feature thicker gold plating (up to 50u"), robust shielding for EMI/RFI suppression, high mechanical durability (minimum 750 mating cycles), and are rated for wide operating temperatures.
Yes. Backed by our 86 R&D engineers, we can customize shielding pins, LED colors (single/dual color), internal magnetics configurations, and mechanical structures to fit your requirements.
We test crosstalk, insertion loss, return loss, and common-mode rejection ratios using vector network analyzers, ensuring our connectors meet or exceed international standards like IEEE 802.3.
Depending on component customization and volume, lead times usually range from 3 to 5 weeks. Our supply chain partnerships with over 1,200 vendors help us keep lead times stable.
A selection of our SFP+ modules, vertical Ethernet jacks, and telecom filtering components designed to support fast, stable data transmission.
Our 8,500㎡ facility features advanced automation, assembly cleanrooms, and testing hardware designed to ensure consistent component quality.
