Description
Keysight N9923A FieldFox Handheld RF Vector Network Analyzer (4 GHz, Upgradeable to 6 GHz), a lightweight, durable, full two-port network analyzer, cable and antenna analyzer, distance-to-fault tester, power meter, and vector voltmeter
Highlights
Never Sacrifice Capability or Portability
Keysight’s FieldFox portable analyzers are equipped to handle your toughest working environments during routine maintenance, in-depth troubleshooting, and anything in between. Choose the Keysight FieldFox configuration that best meets your needs.
- Configure as a full, two-port VNA, time-domain reflectometer, vector voltmeter, cable and antenna analyzer, and more.
- Measure all four S-parameters simultaneously with a single connection and up to 90 dB of dynamic range.
- Perform accurate testing with QuickCal, full two-port unknown thru Cal, and Thru, Reflect, Line (TRL) calibration in the field.
- Measure average and pulse power easily with a USB power sensor.
- Carry the lightest handheld VNA at only 2.8 kg (6.2 lb.).
What’s included:
- AC/DC adapter
- Localized power cord
- Rechargeable Li-ion battery
- Soft carrying case with backpack and shoulder straps
- Quick Reference Guide
Key Specifications
Number of Built-In Ports 2 ports
Maximum Frequency 4 or 6 GHz
Keysight N9923A FieldFox Handheld Software
Make your FieldFox handheld analyzer more capable with convenient software upgrades — engineered to deliver precise measurements in the field.
- Carry one portable instrument that handles routine maintenance and in-depth troubleshooting.
- Configure as a VNA, built-in power meter, vector voltmeter, and more.
- Order software pre-installed or upgrade an existing instrument.






