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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.

  • Standard model includes cable and antenna analyzer (CAT).
  • Capture elusive signals with 120 MHz gap-free, real-time bandwidth.
  • Measure all four S-parameters simultaneously with 115 dB dynamic range.
  • Make accurate spectrum analyzer measurements (± 0.3 dB) without warmup.
  • Perform over-the-air measurements for 5G NR and LTE.
  • Use GPS/GNSS for geolocation and timestamping.
  • Carry one lightweight unit at 3.4 kg (7.4 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
View Technical Overview
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N9918B 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, spectrum analyzer, built-in power meter, vector voltmeter, and more.
  • Order software pre-installed or upgrade an existing instrument.
N9918B FieldFox Handheld Software & Free Trials

PathWave Vector Signal Analysis (89600 VSA) Software

  • Record signals in the field and evaluate them later using 89600 VSA.
  • Demodulate and perform comprehensive vector signal analysis to optimize your deployment.
  • Decode and verify MAC, RLC and RRC-layer messages across multiple radio frames.
  • Analyze and troubleshoot signals in cellular, wireless-connectivity, aerospace, defense, and general-purpose applications.
PathWave Vector Signal Analysis Software

Interested in a N9918B?

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Featured Resources

Data Sheets 2024.11.25

FieldFox Handheld Analyzers

FieldFox Handheld Analyzers

The FieldFox datasheet update includes new B model versions.

2024.11.25

Technical Overviews 2024.07.21

FieldFox Handheld Analyzers

FieldFox Handheld Analyzers

Now there’s a rugged, dependable handheld designed to deliver precise, lab-grade measurements up to 50 GHz. Learn more about the FieldFox microwave analyzers.

2024.07.21

Configuration Guides 2024.07.29

FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50/54 GHz (B and C models)

FieldFox Handheld Analyzers 4/6.5/9/14/18/26.5/32/44/50/54 GHz (B and C models)

This comprehensive FieldFox handheld analyzer configuration guide provides the potential customers to correctly pick the model and options to best fit their needs in technically and economically. By adding the new information of newly introduced C-Series FieldFox handheld analyzers (Code name Earhart) configuration information, customers can make their best purchase decision on the new C-Series FieldFox and upgrading their existing C-Series FF in later days.

2024.07.29

eBooks 2023.03.16

Six Essential 5G Field Tests Using FieldFox Handheld Analyzers

Six Essential 5G Field Tests Using FieldFox Handheld Analyzers

This eBook explains the six essential 5G field tests FieldFox handheld analyzers perform. Make your 5G transformation smooth with path loss characterization, base station coverage testing, and more.

2023.03.16

White Papers 2022.11.22

Four Measurements You Can Perform on the Go

Four Measurements You Can Perform on the Go

This white paper discusses the importance of commonly made radio frequency field measurements: real-time spectrum analysis (RTSA), noise figure, over-the-air measurements (OTA), and cable and antenna test (CAT).

2022.11.22

Application Notes 2023.03.19

Techniques for Time Domain Measurements

Techniques for Time Domain Measurements

This application note will introduce time domain and DTF measurement techniques for identifying the location and relative amplitudes of discontinuities while operating in the field.

2023.03.19

Application Notes 2019.11.24

Introduction to the FieldFox RF & Microwave Analyzer

Introduction to the FieldFox RF & Microwave Analyzer

FieldFox handheld RF and microwave analyzers are portable, rugged, flexible and lightweight. Learn the key features and fundamentals of Keysight's FieldFox.

2019.11.24

White Papers 2022.11.28

Investigate Interference Issues in the Field with RTSA

Investigate Interference Issues in the Field with RTSA

5G Field Testing with FieldFox

2022.11.28

View All Resources

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