In 2025, the demand for high-performance Ethernet connectivity continues to grow across industrial, commercial, and enterprise networks. RJ45 connectors remain a cornerstone of reliable wired networking, supporting high-speed data transfer, Power-over-Ethernet (PoE), and robust signal integrity in diverse environments. Selecting the right manufacturer is critical for ensuring network reliability, long-term durability, and compatibility with modern networking standards.
This article highlights the top five RJ45 connector manufacturers in 2025—TE Connectivity, Amphenol, Molex, GLGNET, and Hirose Electric—examining their company background, industry focus, and key strengths in RJ45 technology. Whether you are designing industrial automation systems, enterprise networking equipment, or commercial communication solutions, understanding these leading providers can help guide your connector selection.
Manufacturer |
Founded |
Headquarters |
Business |
RJ45 Strengths |
TE Connectivity |
1941 |
Switzerland / USA |
Connectors & sensors for automotive, aerospace, industrial |
Cat5e/6/6A connectors; reliable; PoE support |
Amphenol |
1932 |
USA |
Interconnect products for aerospace, automotive, industrial |
Durable RJ45; high-performance; harsh environment-ready |
Molex |
1938 |
USA |
Connectors & switches for data, automotive, industrial |
High-speed RJ45; durable; PoE support |
GLGNET |
2003 |
China |
Networking connectors: RJ45, RJ11, SFP/QSFP-DD, USB, Type-C |
High-performance RJ45; Cat5e/6/6A; PoE; low insertion loss |
Hirose Electric |
1937 |
Japan |
Connectors for communication, automotive, industrial |
Compact, high-density RJ45; reliable; PoE support |
Founded: 1941
Headquarters: Switzerland / USA
Business: TE Connectivity is a global technology leader specializing in advanced electronic connectors, sensors, and interconnect solutions. The company serves diverse industries, including automotive, aerospace, industrial automation, energy, medical devices, and consumer electronics. By investing heavily in research and development, TE Connectivity focuses on high-speed data transmission, miniaturized and space-saving designs, and robust solutions that withstand harsh environmental conditions. Its worldwide presence spans over 140 countries, covering design, engineering, manufacturing, and comprehensive customer support.
RJ45 Strengths
TE Connectivity offers a comprehensive lineup of RJ45 connectors, including Cat5e, Cat6, and Cat6A variants, as well as modular jacks designed for enterprise and industrial networks. These connectors are engineered to meet stringent industrial standards, providing reliable performance in extreme temperatures, high-vibration environments, and high-humidity conditions.
The connectors are optimized for high signal integrity with minimal insertion loss, ensuring stable and uninterrupted data transmission even in critical applications such as data centers, industrial control systems, and large-scale networking deployments. Many of TE Connectivity’s RJ45 connectors feature integrated Power-over-Ethernet (PoE) capabilities, allowing devices such as IP cameras, VoIP phones, and industrial automation controllers to receive power through the Ethernet cable itself, simplifying installation and reducing wiring complexity.
In addition, TE Connectivity continuously advances connector technology with innovations in shielding, electromagnetic interference (EMI) mitigation, and high-density modular designs. These features enhance network reliability, reduce signal degradation, and support high-speed Ethernet connections in both enterprise and demanding industrial environments. The combination of durability, performance, and cutting-edge design makes TE Connectivity’s RJ45 connectors a preferred choice for networking professionals seeking long-term reliability and efficiency.
Founded: 1932
Headquarters: USA
Business: Amphenol is one of the world’s largest manufacturers of interconnect, sensor, and antenna solutions, serving industries such as aerospace, automotive, industrial automation, telecommunications, and medical technology. The company is renowned for producing robust, high-reliability components designed for challenging and mission-critical environments. Amphenol invests heavily in research and development, focusing on advanced signal transmission, long-term durability, and industrial-grade performance. Its extensive global network of engineering, manufacturing, and support facilities ensures consistent quality and rapid response to customer needs worldwide.
RJ45 Strengths
Amphenol’s RJ45 connectors are engineered to deliver reliable, high-speed Ethernet performance across a wide range of industrial, commercial, and telecommunications applications. These connectors are built to withstand harsh operating conditions, including vibration, shock, humidity, and extreme temperatures, ensuring continuous and stable network performance even in demanding environments.
Many of Amphenol’s RJ45 solutions feature shielded designs to protect against electromagnetic interference (EMI), enhancing signal integrity and minimizing data loss. The connectors also support Power-over-Ethernet (PoE) and PoE+ standards, enabling devices such as IP cameras, network switches, and industrial control systems to receive power directly through the Ethernet cable.
Furthermore, Amphenol emphasizes modularity and high-density designs, allowing for space-efficient PCB layouts and flexible deployment in constrained environments. With a reputation for durability, long lifecycle, and engineering precision, Amphenol RJ45 connectors are widely trusted in mission-critical networking applications where reliability and consistent performance are paramount.
Founded: 1938
Headquarters: USA
Business: Molex, a subsidiary of Koch Industries, specializes in high-performance electronic and fiber optic interconnect solutions. The company serves data communications, automotive, industrial, medical, and consumer electronics sectors. Molex focuses on innovation in high-speed connectivity, miniaturized designs, and customized interconnect solutions. Through extensive engineering support, the company helps clients optimize reliability, signal quality, and long-term durability.
RJ45 Strengths
Molex RJ45 connectors provide reliable high-speed Ethernet connectivity suitable for industrial, commercial, and enterprise applications. Many connectors include integrated magnetics to improve signal integrity, reduce crosstalk, and maintain low insertion loss for consistent data transmission.
These connectors are built for durability and long-term operation, capable of performing under vibration, temperature fluctuations, and demanding industrial conditions. Molex RJ45 products support Power-over-Ethernet (PoE) and PoE+ devices, simplifying network deployment by delivering power directly through the Ethernet cable. Compact, high-density designs allow efficient PCB space utilization while maintaining excellent EMI protection. The combination of performance, reliability, and flexibility makes Molex RJ45 connectors ideal for data centers, networking equipment, and industrial automation systems.
Founded: 2003
Headquarters: China
Business: GLGNET is a professional manufacturer specializing in networking and communication connectors. Its product range includes RJ45, RJ11, SFP/QSFP-DD, USB, and Type-C connectors. The company focuses on serving industrial, commercial, and enterprise networking markets, providing solutions for switches, servers, routers, industrial automation, and other networking devices. With a strong emphasis on research and development, GLGNET continually improves connector performance, miniaturization, signal integrity, and reliability to meet the demands of modern high-speed network systems. The company is also recognized for competitive pricing, efficient production, and responsive global customer support, making it a trusted partner for OEMs and large-scale deployments.
RJ45 Strengths
GLGNET’s RJ45 connectors are designed to support Cat5e, Cat6, and Cat6A standards, delivering high-speed, stable Ethernet connections for industrial and enterprise networks. Magnetic RJ45 variants integrate shielding and transformers to enhance signal integrity, minimize electromagnetic interference (EMI), and ensure reliable data transmission in high-density networking environments.
The connectors are built for industrial-grade durability, capable of withstanding harsh conditions such as vibration, temperature fluctuations, and high humidity. GLGNET offers flexible configurations suitable for enterprise switches, industrial automation systems, and commercial networking equipment, meeting diverse deployment requirements.
By combining robust performance, advanced magnetic features, low insertion loss, and EMI protection, GLGNET RJ45 connectors provide reliable, cost-effective solutions for modern networking infrastructures, ensuring long-term stability and consistent network performance.
Founded: 1937
Headquarters: Japan
Business: Hirose Electric is a leading Japanese manufacturer specializing in high-precision electronic connectors. Its product portfolio spans communication, automotive, industrial automation, and consumer electronics. The company is renowned for advanced miniaturization, high-density connector designs, and exceptional manufacturing quality. Hirose Electric focuses on delivering reliable and long-lasting interconnect solutions that meet the rigorous requirements of both commercial and industrial networking environments.
RJ45 Strengths
Hirose Electric’s RJ45 connectors are engineered for compactness and high-density deployment, making them ideal for space-constrained network devices, industrial switches, and enterprise infrastructure. They support high-speed data transmission and Power-over-Ethernet (PoE), enabling devices such as IP cameras, VoIP phones, and automation controllers to receive power directly over the network.
Designed to withstand demanding conditions, these connectors maintain stable signal integrity in the presence of electromagnetic interference (EMI), mechanical vibration, and temperature fluctuations. Hirose emphasizes precise manufacturing processes, durability, and consistent performance across large-scale deployments. As a result, their RJ45 solutions are highly regarded for reliability, space efficiency, and superior networking performance, making them suitable for applications where stable, long-term connectivity is critical.
Conclusion
Choosing the right RJ45 connector manufacturer can have a significant impact on the reliability, performance, and longevity of networking infrastructure.
GLGNET provides competitive, high-performance RJ45 solutions tailored for industrial and enterprise networks, and Hirose Electric excels in compact, high-density designs suitable for space-constrained applications.
To learn more about GLGNET and explore their full range of networking solutions, contact us today.