The Keysight P5025B is a 4-port vector network analyzer operating from 100 kHz to 26.5 GHz, delivering 137 dB dynamic range for precise RF characterization. This PC-controlled instrument features a compact, single-hand portable design with Thunderbolt 3 connectivity, eliminating the need for onboard display and reducing test footprint. The P5025B measures passive components, amplifiers, and frequency converters across diverse applications while maintaining 50 Ω input impedance.
Technical Specifications
• Frequency Range: 100 kHz to 26.5 GHz
• Port Configuration: 4-port
• Dynamic Range: 137 dB
• Input Impedance: 50 Ω
• Interface: Thunderbolt 3 (USB Type-C)
• Control: Host PC via SCPI commands
• Operating Temperature: -10 °C to 55 °C (after 60 minutes stabilization); specifications guaranteed at 25 °C ± 5 °C
• Environmental Testing: Type-tested per Keysight Environmental Test Manual, IEC 60068-2, comparable to MIL-PRF-28800F Class 3
– Key Features
• Port extension capability via VNA cascading for multiport calibrated measurements
• Quick calibration using Keysight Electronic Calibration (ECal) modules
• Option 402 available for intermodulation distortion (IMD) measurements
• No onboard data storage—suited for classified environments
• Measurement science, GUI, and SCPI command compatibility with Keysight high-performance VNAs
– Typical Applications
• Passive component characterization
• Amplifier RF performance validation
• Frequency converter testing
• Advanced multiport RF measurements
– Compatibility & Integration
The P5025B integrates with established Keysight measurement platforms through identical command sets and software interfaces. Thunderbolt 3 connectivity enables fast data transfer to host systems, supporting efficient laboratory and field deployment workflows.


















