FiddlLink
FiddlLink
SMF Duplex LC Optical Transceiver Module Single Mode 10G CWDM SFP+ Module 80km
74990101241 10/100 Base-t Ethernet Vertical Top Entry Straight Magnetic RJ45 Female Connector
xmm-9714-8813-s3lj-m-im Single Port RJ45 Modular Jack Connector With USB
J0G-0001NL 10/100/1000 Base-t Tab up Ethernet Low Profile RJ45 Connector With Leds
Vertical 10/100BASE-T POE RJ45 Female Connector Modular Jack 1840469-4
1000BASE-EZX SFP Transceiver 1550nm 120km DOM Duplex LC SMF Fiber Optical Module
1840456-1 Top Entry Vertical Gigabit Ethernet TVS RJ45 Female Connector Modular Jack
In today's digital landscape, the search for "China Wholesale RJ45 Cable Assembly Suppliers" has evolved beyond simple price comparison. Modern procurers look for Technical Reliability, Signal Integrity, and Supply Chain Resilience. As AI-driven data centers expand, the demand for Cat6a, Cat7, and Cat8 shielded assemblies has skyrocketed to mitigate electromagnetic interference (EMI).
Unlike generic cables, our RJ45 assemblies utilize high-purity oxygen-free copper and 50μ gold-plated contacts. This ensures minimal Insertion Loss and superior Near-End Crosstalk (NEXT) performance, which are critical for 10Gbps+ environments and PoE++ (Power over Ethernet) applications that require high thermal dissipation.
China remains the epicenter of connectivity manufacturing due to its deep industrial clusters. We provide a "One-Stop" solution that integrates raw cable extrusion, connector injection molding, and automated assembly. This vertical integration reduces lead times by 30% compared to fragmented regional suppliers.
Years Industry Experience
Annual Export Revenue
Strategic Partners
New Products Annually
FiddlLink Optical Technology Co., Ltd. is a professional manufacturer and supplier of high-performance optical transceivers and fiber optic communication solutions. Established in 2016, the company specializes in the research, development, production, and global distribution of optical networking products for data centers, telecommunications networks, enterprise infrastructure, and cloud computing applications.
Our modern manufacturing facility covers an area of 380 square meters and is equipped with advanced production and testing equipment to ensure consistent product quality and reliable performance. With over 12 years of industry experience and 8 years of export experience, FiddlLink has built a strong reputation among customers worldwide for delivering innovative, cost-effective, and dependable optical communication products.
For high-density server racks, our ultra-slim RJ45 patch cords provide better airflow and cable management. Our Cat8 solutions support up to 40Gbps, providing a copper alternative to short-reach fiber links.
In factory environments with high vibration and electrical noise, we provide IP67-rated RJ45 assemblies with industrial-grade shielding (S/FTP) to ensure 24/7 uptime for PLC and robotic controllers.
As vehicles become software-defined, Ethernet is replacing traditional CAN buses. Our localized support ensures compliance with automotive Ethernet standards (100Base-T1/1000Base-T1).
Equipped with 126 engineers and 42 QC specialists, our facility ensures every micrometer of the assembly meets international standards.
Detection Equipment
Spherical Polishing
Advanced Coating
Final Verification
Polishing Systems
Precision Machining
Single-Point CNC
Coating Technology
Our primary customer base includes telecommunications operators, data center providers, system integrators, network equipment distributors, internet service providers, and OEM/ODM partners. We offer flexible OEM and ODM services, including customized hardware design, label printing, packaging solutions, firmware configuration, compatibility programming, and branding support.
Quality Control
CAD Designing
Final Inspection
Surface Profilometer
As we transition towards 800G and 1.6T networking, the role of copper is evolving. Our R&D team is currently focusing on Single Pair Ethernet (SPE) for industrial edge devices and Liquid-Cooled Cable Assemblies for high-performance computing (HPC) environments. We are also committed to sustainable manufacturing, incorporating LSZH (Low Smoke Zero Halogen) materials as a standard for global export.
Our localized support includes compliance with CE, RoHS, and REACH, ensuring that our partners in Europe and North America face no regulatory hurdles.
Shielding prevents electromagnetic interference (EMI) and Alien Crosstalk (AXT), which are prevalent in high-speed data environments. Without proper shielding, 10G data rates cannot be maintained over longer distances.
We use advanced compatibility programming and hardware simulation for our optical transceivers and cable assemblies, ensuring 100% interoperability with brands like Cisco, Arista, Juniper, and Huawei.
Cost-efficiency is just the surface. The real advantage lies in the ecosystem—access to high-grade polymers, precision copper molding, and rapid prototyping that allows us to go from design to mass production in weeks, not months.
Every cable assembly undergoes Fluke testing for channel/permanent link compliance, TDR (Time Domain Reflectometry) for impedance matching, and high-pot testing for safety.
2 * 8 Port RJ 45 Jack , Shielded 16port RJ45 Connector J2042H3B J2045H3C J2039H3C 0853-2X8R-69
1840472-1 7499110120A JXD2-0015NL with Leds 1000Base-T Vertical RJ45 Connector
10/100/1000 Base-t Modular Jack RJ45 + USB Stacked Transformers 1x3 RJ45 Connector RUC-161A9RJF
XRJD-S-24-8-8-4 Stacked 2x4 Ports Shielded Female Ethernet RJ45 Jack Without Magnetics
ARSM11-3652I JXD6-0002NL 49F-1201YGD2NL with Leds 100 Base-T Shielded SMT RJ45 8P8C Jack
2007394-6 TE Compatible Through Hole 160P 2x4 Ports Press Fit SFP+ Cage With Integrated Connector