Field technician using FieldFox and radio

Never Sacrifice Capability or Portability

Modern communication networks demand higher frequencies at wider bandwidths. Once you’re ready to take your new technology beyond the lab, you’ll have to field-test your network. Whether up high on a tower or in the furthest reaches of civilization, you need reliable test gear that can weather the conditions and perform precise measurements you can trust.

With the most comprehensive set of software-enabled, mmWave measurement tools packed into a single, handheld unit, FieldFox enables you to do the following:

  • verify 5G installations
  • test network coverage
  • troubleshoot interference
  • perform regular maintenance

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.

Unrivaled mmWave Field-Test Capabilities

Get coverage up to 54 GHz with 120 MHz of bandwidth with our lineup of eight new models to choose from.

FieldFox N9953B with S-parameter measurement

Already own a handheld analyzer?

Trade-in your current FieldFox model or a competitor's model and get credit up to 25% towards a new FieldFox.


Smarter with Keysight University

Enhance your engineering knowledge of signal measurement techniques by signing up for free online learning classes with Keysight University. Learn RF electronic testing and measurement basics in under 60 minutes.

Keysight MXR-Series software applications - signal integrity, power integrity, protocol decode and trigger applications

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