Highlights

Unparalleled flexibility to match your exact analysis needs

With fully upgradable and license-key activated frequency, bandwidth, and over 20 software applications, easily customize your analysis to your requirements. Mix and match VNA and SA frequencies, and effortlessly upgrade the capabilities of your analyzer as your needs change. Choose the FieldFox software-defined configuration that best meets your needs.

  • Select from cable and antenna analyzer (CAT), Vector Network Analyzer (VNA), and/or Spectrum Analyzer with desired maximum frequency.
  • Capture elusive signals with up to 40 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

Key Specifications

Number of Built-In Ports
2
Maximum Frequency
10 GHz
Number of Internal Sources
1
VNA Series
FieldFox
VNA Type
Handheld
Number of Built-In Ports
Maximum Frequency
Number of Internal Sources
VNA Series
VNA Type
2
10 GHz
1
FieldFox
Handheld
View More
Additional CAT/VNA Based Features:
Mixed-Mode S-Parameters
Vector Voltmeter
Applications:
Over-the-Air LTE FDD
5G NR
Over-the-Air LTE FDD
Bandwidth:
40 MHz
Bandwidth Options:
10 MHz
40 MHz
Cable and Antenna Analyzer:
Yes - Optional
Maximum Frequency:
10 GHz
Measurement Functions:
Network analysis
Spectrum analysis
Cable and antenna tester
Minimum Frequency:
3 kHz
Number of Built-In Ports:
2
Number of Internal Sources:
1
Phase Noise @1 GHz (30 kHz offset):
-114 dBc/Hz
SA Start Frequency:
3 kHz
Standard Attenuator Range:
0 to 40 dB
Standard Attenuator Step:
5 dB/step
System Dynamic Range:
>104 dBc
TOI @1 GHz (3rd Order Intercept):
+10 dBm
Trace Noise:
0.0011 dB @ 1 GHz
VNA Series:
FieldFox
VNA Type:
Handheld

N9912C 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.
FieldFox C-Models

Interested in an N9912C?

Accelerate the Win with KeysightCare​

As the complexity of digital and RF tests increases, elevate the productivity of your engineering teams by providing priority access to industry-leading technical experts, a comprehensive knowledge center, and committed turnaround times for repair and calibration. The instruments featured on this page include one year of KeysightCare Assured with the option to upgrade to a 3-5 year service plan. Advance your workflow with KeysightCare.  ​

  • ​Committed response time for technical support as low as 2 business hours​
  • Committed repair & calibration turnaround times as low as 5 business days​
  • Worldwide KeysightCare service and support
KeysightCare Lab

Featured Resources

View All Resources

View All Resources

Want help or have questions?