For test and measurement applications work, the Keysight N9937B FieldFox Handheld Microwave Spectrum Analyzer Handheld delivers dependable performance. Highlights: n9937B FieldFox Handheld Microwave.
- Keysight N9937B FieldFox Handheld Microwave
- Spectrum Analyzer, 18 GHz, Type-N(f), N993xB Series
- Product Overview The Keysight N9937B FieldFox
- Handheld Microwave Spectrum Analyzer is a rugged, portable instrument designed for field testing and troubleshooting of microwave systems
- It offers a wide frequency range of 9 kHz to 18 GHz, making it suitable for a variety of applications, including:
- Antenna testing Cable and waveguide measurements Radar and satellite communications EMC testing Features and Specifications Frequency range:
- 9 kHz to 18 GHz Dynamic range:
- 100 dB Sensitivity:
- 160 dBm Resolution bandwidth:
- 1 Hz to 10 MHz Sweep speed:
- up to 200 sweeps/s Display:
- 5.7-inch color LCD Interfaces:
- USB, Ethernet, GPIB Benefits Rugged and portable:
- The FieldFox is designed to withstand harsh field conditions, making it ideal for use in remote or hazardous environments
- Wide frequency range:
- The FieldFox covers a wide frequency range, making it suitable for a variety of applications
- High performance:
- The FieldFox offers excellent dynamic range, sensitivity, and resolution bandwidth, providing accurate and reliable measurements
- Fast sweep speed:
- The FieldFox’s fast sweep speed allows for quick and efficient troubleshooting
- Easy to use:
- The FieldFox has a user-friendly interface that makes it easy to operate, even for non-technical users
- What’s in the Box Keysight N9937B FieldFox
- Handheld Microwave Spectrum Analyzer Type-N(f) connector AC adapter USB cable * Quick start guide
- Value to the Customer The Keysight N9937B FieldFox
- Handheld Microwave Spectrum Analyzer is a valuable tool for field testing and troubleshooting of microwave systems
- It offers a wide frequency range, high performance, and rugged construction, making it ideal for a variety of applications
- The FieldFox is also easy to use, making it a great choice for both experienced and non-technical users





Michael Torres –
For a six-figure class instrument, expectations are high — the Keysight N9937B FieldFox Handheld Microwave Spectrum Analyzer has met them. IndoMultiMeter coordinated freight details and provided serial tracking without us chasing.
David Chen –
Procurement noted competitive lead time versus other distributors. The Keysight N9937B FieldFox Handheld Microwave Spectrum Analyzer powers up cleanly, self-test passes, and results align with our reference standards.
Thomas Becker –
We integrated the Keysight N9937B FieldFox Handheld Microwave Spectrum Analyzer into our RF/metrology lab and performance has matched factory specifications through several weeks of validation. Documentation package was complete for audit purposes.
Amanda Foster –
The Keysight N9937B FieldFox Handheld Microwave Spectrum Analyzer is now a core asset in our test cell. Stable measurements, intuitive UI for a complex instrument, and seller communication stayed strong through customs clearance.
Daniel Park –
Premium instrument for premium requirements. The Keysight N9937B FieldFox Handheld Microwave Spectrum Analyzer delivers the bandwidth/accuracy we needed for next-gen product lines.