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N9912A -104 111

  • ModelN9912A
  • MakerAgilent
  • DescriptionFieldFox Handheld RF Analyzer, 4 GHz and 6 GHz
  • Option104 111
  • Rental문의요망
  • Stock문의요망


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.

What’s included:

  • AC/DC adapter
  • Rechargeable Li-ion battery
  • Soft carrying case with backpack and shoulder strap
  • Standard model includes cable and antenna analyzer (CAT)

EU customers only:

  • Contact Keysight Authorized Distributors for quotation and ordering. This model is no longer available directly from Keysight due to lack of compliance with EU RoHS 2011/65/EU.

Keysight N9912A FieldFox Handheld RF Analyzer, 4 GHz and 6 GHz

Download the FieldFox Handheld Analyzers B-Series Data Sheet

Keysight N9912A FieldFox Key Features and Functions

  • CAT and VNA: 2 MHz to 4/6 GHz
  • SA: 100 kHz to 4/6 GHz
  • Carry the world’s most integrated handheld RF analyzer: standard model includes cable and antenna analyzer
  • Expand capabilities with optional T/R VNA, spectrum analyzer, built-in power meter, and more
  • Save time by measuring RL and DTF simultaneously in the same sweep
  • Calibrate simply in the field with QuickCal
  • Easily measure average and pulse power with a USB power sensor
  • Lightest, all-in-one analyzer at only 6.2 lb. (2.8 kg)

Keysight N9912A FieldFox Specifications

Maximum Frequency

4 or 6 GHz

Minimum Frequency

2 MHz

SA Start Frequency

5 kHz

System Dynamic Range

72 dB

Best Speed at 1001 Point, 1 Sweep

400 us/pt

Output Power

7 dBm

Trace Noise


Number of Built-In Ports

2 ports

Instrument Type

Combination Analyzer

Cable and Antenna Analyzer

Yes – Standard

Spectrum Analyzer

Yes – Optional

Vector Network Analyzer

Yes – Optional

Additional CAT/VNA Based Features

  • QuickCal (Subset)
  • Vector Voltmeter

Additional SA Based Features

Built-In Power Meter

System Features

GPS Receiver – External Only

Power Measurement Using USB Sensor

  • CW or Swept-Frequency
  • Frequency-Offset
  • RF Pulse Test with Peak Sensor

Standard Attenuator Range

31 dB

Standard Attenuator Step

1 dB


-148 dBm

Maximum Analysis Bandwidth


Phase Noise @1 GHz (1 MHz offset)

-115 dBc/Hz

Phase Noise @1 GHz (10 kHz offset)

-88 dBc/Hz

Phase Noise @1 GHz (30 kHz offset)

-89 dBc/Hz

TOI @1 GHz (3rd Order Intercept)

+18 dBm

Applications Available


Maximum Real-Time Bandwidth


Bandwidth Options


Performance Level




Applications-Digital Video


Applications-General Purpose

  • AM/FM Tune and Listen
  • Cable Fault Location
  • Field Strength Measurement
  • Spectrogram
  • Stimulus Response

Applications-Wireless Connectivity


Handheld / Modular


104 :2 MHz to 4 GHz

111: Corrected with QuickCal 





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