RG401 is a 50-ohm RF coaxial cable built for dependable signal transfer in demanding high-frequency environments. Originally developed for military communications, it is now widely used in wireless systems, broadcast equipment, telecommunications, and other RF applications that require stable performance and consistent impedance control. Its semi-rigid design helps maintain excellent electrical characteristics while supporting compact, space-conscious installations. One of the key advantages of RG401 is its ability to handle high-frequency signals effectively. Depending on the version and construction, RG401-type cables are commonly associated with operating frequencies up to 20 GHz, making them suitable for advanced RF setups where signal integrity matters. The cable is also known for solid power-handling capability, with some RG401 copper variants rated for strong performance at 1 GHz. This makes it a reliable option for engineers and technicians working on systems that need both durability and precision. RG401 typically features a solid copper center conductor and a semi-rigid outer structure that supports consistent shielding and low interference. In many configurations, it is offered with copper or silver-plated copper materials to help improve conductivity and performance. Because of its formable nature, the cable can be routed carefully in equipment layouts while still maintaining a professional, clean installation. This cable is a strong fit for applications where stable RF performance is critical. It is commonly selected for laboratory setups, communication systems, test environments, and other installations that demand a robust coaxial solution. RG401 balances mechanical strength with electrical reliability, making it a trusted choice for users who need accurate signal transmission over longer distances or in sensitive RF assemblies.

• 50-ohm nominal impedance for reliable RF performance
• Designed for high-frequency signal transmission
• Semi-rigid construction for stable routing and signal integrity
• Suitable for wireless
• broadcast
• military
• and telecom applications
• Strong power-handling capability for demanding RF systems
• Available in copper or silver-plated copper configurations
• Helps reduce signal loss and interference
• Compact design for space-limited installations