Introducing the New
FieldFox Handheld
Analyzers
Stream 120 MHz I/Q data
to your laptop in the field.

Powerful Spectrum Management Tools Accelerate Field Decisions
Go from detection to decision faster with a rugged, field-ready workflow built for wideband spectrum monitoring, signal classification, and interference hunting. Stream 120 MHz I/Q data to your laptop in the field to capture complex signals and pinpoint interference using post-processing spectrum management software in the lab.
Get the note about the Keysight Spectrum Monitoring Software
Interference Hunting: A Practical Guide
See proven methods to detect, identify, and locate RF interference in increasingly congested spectrum environments. Learn workflows that use wideband I/Q streaming and centralized spectrum management software to mitigate interference.

SOFTWARE-ENABLED AND FIELD-UPGRADEABLE
Configure your FieldFox handheld analyzer to meet your specific measurement needs with powerful software options engineered to deliver precise measurements in the field.
- Carry one portable instrument that supports over 25 different measurement functions.
- Configure as a VNA, spectrum analyzer, built-in power meter, vector voltmeter, and more.
- Order software pre-installed or upgrade an existing instrument.
Capture, Analyze and Act on Wideband Signals
FieldFox delivers all-in-one capability for spectrum monitoring, signal analysis and generation, interference hunting, and cable and antenna testing — built for performance in both field and lab environments.

New Models
Combo analyzer models:
- N9916D at 14 GHz
- N9917D at 18 GHz
- N9918D at 26.5 GHz
- N9950D at 32 GHz
- N9951D at 44 GHz
- N9952D at 50 GHz
- N9953D at 54 GHz
Signal analyzer models:
Or contact 4test
- E-mail: post@4test.no
- Phone: +47 67 10 10 80

