HIGHLIGHTS

Enable deeper insights in measurement and analysis by expanding the capabilities of your FieldFox handheld analyzer with software upgradeable capabilities. These capabilities are engineered to deliver precise measurements that agree with benchtop results into the field.

Features available for N9926A (Base model: vector network analyzer):

  • VNA time domain
  • Mixed-mode S-parameters
  • QuickCal
  • TDR cable measurements
  • Vector voltmeter
  • Cable and antenna analyzer
  • USB power sensor support
  • Pulse measurements with USB peak power sensor
  • Built-in power meter
  • Built-in variable DC voltage source
  • Built-in GPS receiver
  • Remote control capability

and more


  • Measurement capabilities to handle routine maintenance and in-depth troubleshooting
  • Maximize performance with cable and antenna tester, built-in power meter, vector voltmeter, and more
  • Order with new instrument or upgrade an existing instrument

Cable, Antenna, & Network Analysis

  • 010 – VNA Time Domain

    Display reflection or transmission coefficients in the time domain and remove unwanted responses with time-domain gating.

  • 112 – QuickCall

    Enable hassle-free calibration in the field for network analysis with no mechanical standards required.

  • 210 – VNA Transmission/Reflection

    Use vector network analyzer mode to measure transmission and reflection (S21 and S11) magnitude and phase.

  • 211 – VNA Full 2-Port S-Parameters

    Enable vector network analyzer mode to measure all four S-parameters (S21, S11, S12, S22) magnitude and phase.

  • 212 – 1-Port Mixed-Mode S-Parameters

    Make balanced, mixed-mode S-parameter reflection measurements (Scc11, Sdd11, Scd11, Sdc11) with network analyzer mode.

  • 215 – TDR Cable Measurements

    Identify the location and nature of faults alon cables using time-domain reflectometry measurements.

  • 305 – Cable and Antenna Analyzer

    Troubleshoot and maintain the performance of RF cables and antennas.

  • Vector Voltmeter

    308 – Vector Voltmeter

    Measure the phase shift and electrical length of a device and view the results on the large display from a distance.

Power Measurements

  • 208 – USB Power Measurements versus Frequency

    Characterize the scalar transmission response of devices such as mixers and converters using USB power sensor measurements versus frequency.

  • 302 – USB Power Sensor Support

    Characterize RF pulses such as those used in radar and electronic warfare systems using a USB peak power sensor.

  • 310 – Built-in Power Meter

    Make accurate, user-definable channel power measurements such as transmitter output power with no additional external hardware.

  • 330 – Pulse Measurement with USB Peak Power Sensor

    Efficiently characterize pulsed RF signals by leveraging a Keysight USB peak power sensor.

  • Utilities

    • 030 – Remote Control Capability

      View and control FieldFox remotely using an iOS device.

    • 307 – GPS Receiver

      Attach geolocation tags to measurements with a built-in GNSS/GPS receiver.

    • 309 – DC Bias Variable Voltage Source

      Provide power to amplifiers under test and bias tower mounted amplifiers.

    Learn more about each software option in the Technical Overview.

    Free Trials

    • Get 30-day free trial license
    • Enable options on your FieldFox
    • Evaluate full-featured version with no functionality restrictions

    Want help or have questions?