FieldFox Handheld RF and Microwave Analyzers
The most integrated handheld RF and microwave analyzers in the field
FieldFox handheld analyzers give you rugged performance, delivering benchtop-quality measurements on-the-go—even in harsh environments. The sealed, weather resistant design stands up to the field without making performance compromises. Working with FieldFox is so intuitive, novice users quickly become experts.
- Save time and ensure consistent results by automating routine tasks for basic spectrum analysis
- Up to 100 MHz of analysis bandwidth makes 5G field test a reality (FieldFox B Models)
- Capture the smallest interfering signals with wide-band, real-time measurements (RTSA)
- Measure with confidence from 4 to 50 GHz
- Withstands your toughest working environments - rugged enough to meet MIL-specs
Upgrade your FieldFox
TestEquity keeps a wide variety of Keysight FieldFox of upgrades, options, and accessories in stock and ready to ship.
View More Accessories
Calibrate your FieldFox
Keysight takes the guesswork out of calibrating your FieldFox so you can always trust your measurements.
View FieldFox Calibration Kits
FieldFox A Series
Max. Analysis BW = 10MHz
| Model | Max. Freq. | Unit Type | CAT Analyzer | SA | VNA |
|---|---|---|---|---|---|
| N9913A Buy Now  |
4 GHz | Combo Analyzer | Yes | Optional | Optional |
| N9914A Buy Now |
6.5 GHz | Combo Analyzer | Yes | Optional | Optional |
| N9915A Buy Now |
9 GHz | Combo Analyzer | Yes | Optional | Optional |
| N9916A Buy Now |
14 GHz | Combo Analyzer | Yes | Optional | Optional |
| N9917A Buy Now |
18 GHz | Combo Analyzer | Yes | Optional | Optional |
| N9918A Buy Now |
26.5 GHz | Combo Analyzer | Yes | Optional | Optional |
| N9950A Buy Now |
32 GHz | Combo Analyzer | Yes | Optional | Optional |
| N9951A Buy Now |
44 GHz | Combo Analyzer | Yes | Optional | Optional |
| N9952A Buy Now |
50 GHz | Combo Analyzer | Yes | Optional | Optional |
| N9935A Buy Now |
9 GHz | Spectrum Analyzer | No | Yes | No |
| N9936A Buy Now |
14 GHz | Spectrum Analyzer | No | Yes | No |
| N9937A Buy Now |
18 GHz | Spectrum Analyzer | No | Yes | No |
| N9938A Buy Now |
26.5 GHz | Spectrum Analyzer | No | Yes | No |
| N9960A Buy Now |
32 GHz | Spectrum Analyzer | No | Yes | No |
| N9961A Buy Now |
44 GHz | Spectrum Analyzer | No | Yes | No |
| N9962A Buy Now |
50 GHz | Spectrum Analyzer | No | Yes | No |
| N9923A-104 Buy Now N9923A-106 Buy Now |
4 GHz 6 GHz |
VNA | Optional | No | Yes |
| N9925A Buy Now |
9 GHz | VNA | Optional | No | Yes |
| N9926A Buy Now |
14 GHz | VNA | Optional | No | Yes |
| N9927A Buy Now |
18 GHz | VNA | Optional | No | Yes |
| N9928A Buy Now |
26.5 GHz | VNA | Optional | No | Yes |
| N9912A-104 Buy Now N9912A-106 Buy Now |
4 GHz 6 GHz |
Combo Analyzer | Yes | Optional | Optional |
FieldFox B Series
Max. Analysis BW = 100MHz
| Model | Max. Freq. | Unit Type | CAT Analyzer | SA | VNA |
|---|---|---|---|---|---|
| N9913B Buy Now |
4 GHz | Combo Analyzer | Yes | Optional | Optional |
| N9914B Buy Now |
6.5 GHz | Combo Analyzer | Yes | Optional | Optional |
| N9915B Buy Now |
9 GHz | Combo Analyzer | Yes | Optional | Optional |
| N9916B Buy Now |
14 GHz | Combo Analyzer | Yes | Optional | Optional |
| N9917B Buy Now |
18 GHz | Combo Analyzer | Yes | Optional | Optional |
| N9918B Buy Now |
26.5 GHz | Combo Analyzer | Yes | Optional | Optional |
| N9933B Buy Now |
4 GHz | Spectrum Analyzer | No | Yes | No |
| N9934B Buy Now |
6.5 GHz | Spectrum Analyzer | No | Yes | No |
| N9935B Buy Now |
9 GHz | Spectrum Analyzer | No | Yes | No |
| N9936B Buy Now |
14 GHz | Spectrum Analyzer | No | Yes | No |
| N9937B Buy Now |
18 GHz | Spectrum Analyzer | No | Yes | No |
| N9938B Buy Now |
26.5 GHz | Spectrum Analyzer | No | Yes | No |
| N9950B Buy Now |
32 GHz | Combo Analyzer | Yes | Optional | Optional |
| N9951B Buy Now |
44 GHz | Combo Analyzer | Yes | Optional | Optional |
| N9952B Buy Now |
50 GHz | Combo Analyzer | Yes | Optional | Optional |
| N9953B Buy Now |
54 GHz | Combo Analyzer | Yes | Optional | Optional |
| N9960B Buy Now |
32 GHz | Spectrum Analyzer | No | Yes | No |
| N9961B Buy Now |
44 GHz | Spectrum Analyzer | No | Yes | No |
| N9962B Buy Now |
50 GHz | Spectrum Analyzer | No | Yes | No |
| N9963B Buy Now |
54 GHz | Spectrum Analyzer | No | Yes | No |
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