The Keysight N9927A FieldFox Handheld Microwave Vector Network Analyzer is a rugged, portable instrument designed for field testing and troubleshooting of microwave systems. With a frequency range of 18 GHz, it provides accurate and reliable measurements for a wide range of applications, making it an essential tool for engineers and technicians working in aerospace, defense, and telecommunications.
Key Features & Highlights
- Frequency range: 18 GHz
- Dynamic range: 120 dB
- Measurement speed: Up to 1000 sweeps per second
- Display: 5.7-inch color LCD touchscreen
- Built-in power meter: -70 to +20 dBm
- Built-in spectrum analyzer: 10 MHz to 18 GHz
- Rugged design: IP54 rated for dust and water resistance
- Long battery life: Up to 8 hours of continuous operation
Applications
The Keysight N9927A FieldFox is ideal for field testing and troubleshooting of microwave systems, including antenna and cable testing, component characterization, and signal analysis. Its portability and ruggedness make it suitable for use in harsh environments, while its integrated functionality reduces the need to carry multiple instruments.





David Chen –
We benchmarked the Keysight N9927A FieldFox Vector Network Analyzer, 18 GHz against legacy lab gear and saw clear improvement in measurement confidence. Worth the premium for production support environments.
Michael Torres –
Enterprise purchase for a multi-site rollout. First unit (Keysight N9927A FieldFox Vector Network Analyzer, 18 GHz) validated successfully; we are proceeding with additional quantities.
Thomas Becker –
Significant investment, but the Keysight N9927A FieldFox Vector Network Analyzer, 18 GHz has already reduced downtime on critical verification routines. Packaging and shock protection were appropriate for a sensitive instrument.
Amanda Foster –
Our applications team uses the Keysight N9927A FieldFox Vector Network Analyzer, 18 GHz for design validation and customer demos. Repeatability has been excellent; only minor note is the manual is dense but thorough.
Daniel Park –
High-end equipment purchase — the Keysight N9927A FieldFox Vector Network Analyzer, 18 GHz arrived with traceable calibration paperwork and clean cosmetic condition. Our technicians were impressed with build quality relative to price point.