The Keysight (Agilent) W85104A is a WR-10 test set module engineered for precise characterization of millimeter-wave components and systems operating from 75 GHz to 110 GHz. This module delivers accurate power measurements, signal analysis, and device parameter extraction across the full frequency band, serving research, development, manufacturing, and quality control operations in advanced electronics and telecommunications.
Technical Specifications
• Frequency Range: 75 GHz to 110 GHz
• Waveguide Interface: WR-10 flange
• Insertion Loss: Dependent on configuration and operating frequency
• Return Loss: Specified across frequency band; critical for minimizing signal reflections
• Power Handling: Rated for typical millimeter-wave testing environments
• Dynamic Range: Supports both small and large signal device characterization
– Key Features
• WR-10 waveguide flange connector for integration with millimeter-wave test components
• Precision engineering optimized for signal integrity at millimeter-wave frequencies
• Compact module design for system integration
• RF connector support for control and auxiliary signals
– Typical Applications
• Component and subsystem characterization in the millimeter-wave band
• Power measurement and signal analysis for devices operating 75–110 GHz
• Manufacturing test and quality assurance of millimeter-wave assemblies
• Research and development of high-frequency RF/microwave systems
– Compatibility & Integration
Designed for integration with Keysight millimeter-wave test platforms, including Vector Network Analyzers (VNAs), PNA systems, and M937xA series instruments when configured with appropriate frequency extenders. Direct waveguide connection via WR-10 flange enables seamless integration into multi-port millimeter-wave test setups.


















