Xelivor
Xelivor
Engineered for carrier-grade network equipment, high-speed data centers, and rigorous industrial applications.
In modern industrial automation, enterprise telecommunications, and hyperscale cloud infrastructure, copper-based Ethernet remains the bedrock of localized high-speed communication. However, the propagation of gigabit data rates over twisted-pair copper cables exposes signals to intense electromagnetic challenges. Common-mode noise, transient voltage surges, and electrostatic discharges (ESD) jeopardize transmission integrity, leading to packet losses, latency spikes, and hardware damage.
This is where high-performance custom OEM RJ45 Inline Filters become indispensable. Functioning as the front-line shield for Ethernet physical layer (PHY) chips, these filters combine magnetic isolation, common-mode chokes, and transient voltage suppression into a compact interface. By filtering out unwanted high-frequency interference while maintaining impedance matching, custom RJ45 inline filters ensure uninterrupted, bit-perfect data delivery under the most extreme industrial conditions.
Why leading global enterprises partner with Chinese OEM exporters for high-density magnetic components.
Our collaborative factories utilize state-of-the-art automated toroidal core winding systems. This ensures consistent wire tension, precise turns ratios, and zero physical defects in the internal magnetic modules of our RJ45 inline filters, eliminating human errors standard in manual assembly.
Every batch of RJ45 connectors and inline filters undergoes thorough vector network analyzer (VNA) sweeps. We guarantee precise 100-ohm differential impedance matching, keeping return loss below threshold limits across operational frequencies up to 500 MHz (Cat6a/Cat7 specs).
With an extensive network of over 850 raw material and component suppliers, we rapidly customize casings, pinout configurations, shielding gaskets, and LED colors. This vast integrated ecosystem reduces lead times from several months to just a few weeks.
| Electrical Parameter | Standard Specification | Custom OEM High-Reliability Spec | Application Benefit |
|---|---|---|---|
| Transmission Frequency | 1 - 100 MHz (Cat5e) | 1 - 500 MHz (Cat6A / 10G Base-T) | Enables high-bandwidth deployments in smart automation grids and server connections. |
| Common Mode Rejection (CMRR) | -30 dB Min @ 1-100MHz | -45 dB Min @ 1-100MHz; -35 dB Min @ 500MHz | Suppresses high-frequency EMI generated by variable frequency drives (VFDs) and heavy machinery. |
| Galvanic Isolation Voltage | 1500 Vrms | 2250 Vdc / 3000 Vrms (Medical Grade available) | Prevents high-voltage ground loops and protects motherboard PHY transceivers from transients. |
| PoE Compatibility | IEEE 802.3af (15.4W) | IEEE 802.3bt Type 4 (Up to 90W/100W per channel) | Supports high-power pan-tilt-zoom (PTZ) cameras, outdoor Wi-Fi 6/7 access points, and thin clients. |
Optimized configurations built specifically for challenging operating environments globally.
Inside modern factories, high-voltage lines, servo drives, and robotic arms create massive electrical interference. Normal RJ45 connections easily fail under these conditions. Custom inline filters isolate the communication lines, keeping PLCs (Programmable Logic Controllers) and industrial PCs connected to the SCADA system without a hitch.
Outdoor 5G small cells and remote radio heads (RRH) are constantly exposed to atmospheric discharge and lightning surges. Weatherproof inline filters with gas discharge tubes (GDT) and transient voltage diodes block lightning-induced surges before they reach sensitive indoor switching stations.
Patient safety standards require strict isolation between electrical grids and medical equipment. High-isolation custom RJ45 filters ensure that MRI, CT scanners, and patient monitoring terminals have up to 4kV electrical separation. This protects both patients and delicate sensor modules from ground faults.
Public transportation systems require robust connectors that can withstand vibrations, extreme temperatures, and rapid acceleration. Custom-molded RJ45 inline filters, protected by high-grade potting resins, maintain constant data links in moving train cars and aerospace communication bays.
For international buyers, system integrators, and network equipment manufacturers (NEMs), choosing an RJ45 filter exporter involves evaluating more than just pricing. Technical compliance, manufacturing repeatability, and environmental standards are crucial for long-term reliability. To ensure seamless operation, global procurement managers must evaluate several key performance indicators (KPIs) during the sourcing process:
By partnering with established suppliers, companies can co-develop custom layouts that integrate seamlessly into their proprietary PCBs. This shortens time-to-market and optimizes cost-to-performance ratios.
Staying ahead in a fast-evolving network landscape.
With smart buildings deploying power-hungry systems like smart lighting and high-end cameras, inline filters must handle currents up to 1 amp per pair. The trend focuses on custom designs with low DC resistance, which prevents thermal issues and keeps the signal path clear of distortion.
Industry 4.0 is transitioning to Single-Pair Ethernet (10Base-T1L) for field-level device networks. Next-gen inline filters are designed to provide EMC protection over longer distances—up to 1,000 meters—using only a single copper pair.
Modern switches require high port density, which leaves less space on the board. Modern filter designs focus on combining multiple channels into stacked configurations (like 2x4, 2x6, or 2x8 RJ45 structures), saving valuable space on the main board.
Xelivor Optoelectronics Co., Ltd. is a professional manufacturer of optical transceivers, fiber connectivity solutions, and high-performance network interface hardware. We serve data centers, telecommunications networks, enterprise IT, and cloud systems worldwide. Established in 2016, the company operates from an optimized precision manufacturing facility covering 386 m², building a strong reputation for high-performance and reliable products.
With over 8 years of industry experience and 6 years of export history, Xelivor has reached an annual export revenue of over USD 12 million. Our products are exported to North America, Europe, Southeast Asia, the Middle East, and South America, supporting applications from enterprise setups to massive hyperscale cloud infrastructures.
Backed by a dedicated R&D team of 68 engineers, Xelivor focus on continuous product innovation. We introduced over 85 new products last year to support high-speed networks. Our comprehensive quality control process includes incoming inspection, in-process testing, thermal testing, compatibility checks, and final verification. A team of 32 quality inspectors ensures every unit meets international standards before shipping.
We maintain active relationships with more than 850 supply chain partners, ensuring steady access to raw materials, scalable production, and fast delivery. Our flexible manufacturing setup supports custom OEM, ODM, private label packaging, customized firmware, and tailor-made labeling to meet our customers' specific project needs.
Technical insights regarding custom OEM RJ45 filters and network interface modules.
A standard RJ45 connector only provides mechanical connection and basic electric path contacts. An RJ45 Inline Filter integrates magnetic isolation, common-mode chokes, and electrostatic discharge (ESD) protection diodes. This design filters out electromagnetic interference (EMI) and prevents noise from degrading signal quality on physical layer chips.
Our filters are designed with specialized center-tapped transformers that handle balanced DC currents on the signal pairs. This allows them to support PoE (IEEE 802.3af), PoE+ (IEEE 802.3at), and PoE++ (IEEE 802.3bt) up to 90W-100W per channel without magnetic saturation or excessive heating.
Yes, we provide full ODM and OEM customization. We can adjust the internal schematics (including resistor-capacitor values), modify physical pin lengths, add or remove shielding tabs, change LED colors, and adjust outer dimensions to fit your PCB layouts.
Each production batch undergoes 100% automated electrical testing. This includes turns ratio validation, polar verification, insertion and return loss sweeps, crosstalk evaluation, high-voltage isolation tests, and automated optical inspection (AOI) to check mechanical structure.
Galvanic isolation isolates the ground loop reference voltages between different network nodes. This prevents high ground currents from flowing through the communication cable, which could otherwise damage transceivers or cause data transmission errors.
Our filters and connectors comply with key international standards, including RoHS, REACH, CE, and FCC Part 15. We also offer options that meet UL safety standards for network components.
We select magnetic cores made from temperature-stable ferrite materials. This ensures minimal permeability drift, keeping insertion loss and common-mode rejection performance stable from -40°C to +85°C.
Standard custom samples are typically delivered within 2 to 3 weeks. For complex custom designs requiring new housing molds or specialized layouts, the process takes approximately 4 to 6 weeks, which includes full electrical and mechanical testing reports.
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