The Keysight (Agilent) 58506A Antenna Cable Assembly is a coaxial cable assembly engineered for RF and microwave signal transmission in test and measurement applications. It maintains signal integrity across demanding environments by minimizing insertion loss and preserving phase stability—critical requirements for precision antenna connections and vector network analyzer (VNA) systems.
Technical Specifications
The 58506A operates at 50 Ohms impedance, the standard for RF/microwave systems. Phase stability is inherent to the design, ensuring consistent performance in phase-sensitive applications such as network analysis and antenna characterization.
– Key Features
• 50 Ohm impedance for RF/microwave compatibility
• Minimized signal loss for optimal transmission efficiency
• Phase-stable construction suited for precision measurement systems
• Durable coaxial design ensuring reliable, repeatable connections
• Precision connectors for secure mating with test equipment and antenna systems
– Typical Applications
The 58506A connects antennas to network analyzers, spectrum analyzers, signal generators, and other RF test instruments. It also interfaces antenna systems with communication equipment where signal fidelity and phase consistency are essential. Applications span laboratory characterization, field measurement, and production test environments.
– Compatibility & Integration
Designed for integration with Keysight test platforms and third-party RF equipment using standard coaxial connectors. The assembly supports broadband antenna characterization and communication system validation where loss and phase performance directly impact measurement accuracy and system performance.

















