Carry Precision With You: Keysight FieldFox Handheld RF Analyzers

Keysight FieldFox RF analyzer

Benefits of Keysight's Portable FieldFox RF Analyzer All-rounders

  • Rugged design, ideal for field use.
  • Many models and options for customization to meet your needs.
  • First-class technical data.

Carry Precision With You: Keysight FieldFox Handheld RF Analyzers

The Keysight FieldFox instruments are products for field measurements of RF spectrum, cables and antennas, filters, isolators, transmission lines, transmit power, analog/digital modulation analysis and more. Depending on the variant and features/added options, these handheld instruments are complete, multifunctional RF analyzers for a wide range of applications such as automotive/automotive, broadcast, cellular, all types of point-to-point communications, RF equipment manufacturers, government agencies such as fire, police, emergency services, medical, satellite, military, transportation or education.

The FieldFox basic devices can be microwave SA (signale/spectrum analyzers), microwave VNA (vector network analyzers), CAT/antenna analyzers or combination devices with various options such as RTSA (real time spectrum analysis), tracking generator, pre-amplifier, TDR, RF power-sensor support, EMI/EMF, OTA, and many more.

Keysight FieldFox-Display

The N9912C is mostly configurable via software (also bandwidth upgrades, SA) and thus very flexible. Frequency range up to 10 GHz.

Model Overview - FieldFox A, B, C Compared

Keysight FieldFox models

Type FieldFox model number Frequency range Cable and antenna test VNA transmission/reflection 2-port transmission Spectrum analysis Realtime spectrum analysis Interference AM/FM, ASK, FSK modulation Over-the-air measurements
Software-defined multifunctional RF analyzers N9912C 5 kHz...10 GHz ✓ (CA) ✓ (NA) Option ✓ (SA) Option Option Option Option
▸C series Model CAT-/VNA frequency SA frequency RTSA Frequency update Full 2 port VNA 4G/5G OTA EMI/EMF IQA and IQ streaming Noise figure Testport connector
N9912C-CA4 5 kHz...4 GHz - ✓ ✓ ✓ ✓ ✓ - - Type N (female)
N9912C-CA6 5 kHz...6.5 GHz - ✓ ✓ ✓ ✓ ✓ - - Type N (female)
N9912C-CAX 5 kHz...10 GHz - ✓ ✓ ✓ ✓ ✓ - - Type N (female)
N9912C-NA4 5 kHz...4 GHz - ✓ ✓ ✓ ✓ ✓ - - Type N (female)
N9912C-NA6 5 kHz...6.5 GHz - ✓ ✓ ✓ ✓ ✓ - - Type N (female)
N9912C-NAX 5 kHz...10 GHz - ✓ ✓ ✓ ✓ ✓ - - Type N (female)
N9912C-SA4 - 5 kHz...4 GHz ✓ ✓ ✓ ✓ ✓ - - Type N (female)
N9912C-SA6 - 5 kHz...6.5 GHz ✓ ✓ ✓ ✓ ✓ - - Type N (female)
N9912C-SAX - 5 kHz...10 GHz ✓ ✓ ✓ ✓ ✓ - - Type N (female)

The FieldFox series A and B were discontinued/EOL, replaced by C series.

Agilent's Electronic Measurement Group is now Keysight Technologies.