+86-511-85632289
Home / News / Content

Jul 08, 2026

Top 10 Global Manufacturers Of RG303 Coaxial Cable

RG303 coaxial cable is a high-performance 50-ohm RF cable specifically designed for applications requiring excellent high-temperature resistance, low signal loss, and outstanding shielding effectiveness. Constructed with a silver-plated conductor, PTFE dielectric, silver-plated copper braid, and an FEP jacket, RG303 delivers reliable performance in harsh environments and is widely used in aerospace, military communications, avionics, radar systems, RF testing, and industrial electronics.

Below is an overview of the top 10 global manufacturers of RG303 coaxial cable, with a special focus on Elesun, one of the industry's leading manufacturers.


1. Elesun (Jiangsu Elesun Cable Co., Ltd.)

Elesun is a professional manufacturer specializing in RF coaxial cables and customized cable solutions, including premium RG303 coaxial cable. With advanced manufacturing equipment, strict quality management, and years of international export experience, Elesun has become a trusted supplier for customers across Europe, North America, Southeast Asia, and the Middle East.

Elesun's RG303 coaxial cable is manufactured using high-quality silver-plated copper or silver-plated copper-clad steel conductors, PTFE insulation, silver-plated copper braided shielding, and a durable FEP outer jacket. This construction provides excellent electrical performance, low attenuation, superior EMI shielding, and exceptional resistance to high temperatures and chemical exposure.


2. TE Connectivity

TE Connectivity is a global leader in connectivity technologies, offering high-performance coaxial cables for aerospace, defense, and industrial applications.


3. Carlisle Interconnect Technologies

Carlisle specializes in aerospace-grade wire and cable products, including RG303 and other high-temperature coaxial cables for mission-critical environments.


4. Times Microwave Systems

Times Microwave Systems is internationally recognized for its premium RF transmission cables and low-loss microwave cable technologies.


5. Amphenol RF

Amphenol RF manufactures precision coaxial cable assemblies and RF connectivity products known for excellent electrical performance and reliability.


6. Huber+Suhner

Huber+Suhner is a Swiss manufacturer offering premium RF and microwave cable solutions, including RG303 cables designed for demanding applications.


7. Rosenberger

Rosenberger develops high-frequency interconnect solutions and precision coaxial cables widely used in telecommunications, aerospace, and test systems.


8. Gore (W. L. Gore & Associates)

Gore is well known for advanced cable technologies used in aerospace, defense, and other mission-critical applications where reliability is essential.


9. Pasternack (Infinite Electronics)

Pasternack supplies a comprehensive range of RF and microwave cable assemblies for communication, laboratory, and industrial applications.


10. Harbour Industries

Harbour Industries is a leading manufacturer of high-temperature wire and coaxial cable products serving the aerospace, military, and industrial sectors.


 

Send Message