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 most configurable via software (also bandwidth upgrades, SA) and thus very flexible. Frequency range up to 10 GHz.
  • The N991xA/N995xA are microwave combination analyzers up to 50 GHz, upgradeable to RTSA or VNA.
    The N991xB are microwave combination analyzers up to 9 GHz, upgradeable to RTSA or VNA.
  • The N992xA are microwave network analyzers (VNA) up to 26.7 GHz without SA capability.
  • The N993xA/N996xA are microwave spectrum analyzers up to 50 GHz with full band tracking generator option and up to 120 MHz RTSA.
    The N993xB are microwave spectrum analyzers up to 9 GHz with full band tracking generator option and up to 120 MHz RTSA.
  • The N991xC are microwave combination analyzers up to 10 GHz with a full set of options such as VNA, RTSA, 4G/5G OTA.
  • The N993xC are microwave spectrum analyzers up to 10 GHz with a full set of options such as VNA, RTSA, 4G/5G OTA.

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
Microwave combination analyzers N991xA/N995xA 5 kHz...50 GHz ✓ Option Option Option Option Option Option Option
N991xB 5 kHz...54 GHz
Microwave network analyzers N992xA 30 kHz...26.5 GHz Option ✓ Option - - - - -
Microwave spectrum analyzers N993xA/N996xA 5 kHz...50 GHz Option - - ✓ Option Option Option Option
N993xB 5 kHz...9 GHz
Microwave combination analyzers N991xC 3 kHz...10 GHz ✓ Option Option ✓ Option Option - Option
Microwave spectrum analyzersn N993xC 3 kHz...10 GHz - - - ✓ Option Option - Option
▸A 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
N9912A-104 5 kHz...4 GHz (VNA extended down to 3 kHz) 5 kHz...4 GHz - - - - ✓ - - Type N (female)
N9912A-106 5 kHz...6 GHz (VNA extended down to 3 kHz) 5 kHz...6 GHz - - - - ✓ - - Type N (female)
N9913A 30 kHz...4 GHz 100 kHz...4 GHz ✓ - ✓ Only 4G ✓ ✓ ✓ Type N (female)
N9914A 30 kHz...6.5 GHz 100 kHz...6.5 GHz ✓ - ✓ Only 4G ✓ ✓ ✓ Type N (female)
N9915A 30 kHz...9 GHz 100 kHz...9 GHz ✓ - ✓ Only 4G ✓ ✓ ✓ Type N (female)
N9916A 30 kHz...14 GHz 100 kHz...14 GHz ✓ - ✓ Only 4G ✓ ✓ ✓ Type N (female)
N9917A 30 kHz...18 GHz 100 kHz...18 GHz ✓ - ✓ Only 4G ✓ ✓ ✓ Type N (female)
N9918A 30 kHz...26.5 GHz 100 kHz...26.5 GHz ✓ - ✓ Only 4G ✓ ✓ ✓ 3.5 mm (male)
N9950A 300 kHz...32 GHz 9 kHz...32 GHz ✓ - ✓ Only 4G ✓ ✓ ✓ NMD 2.4 mm (male)
N9951A 300 kHz...44 GHz 9 kHz...44 GHz ✓ - ✓ Only 4G ✓ ✓ ✓ NMD 2.4 mm (male)
N9952A 300 kHz...50 GHz 9 kHz...50 GHz ✓ - ✓ Only 4G ✓ ✓ ✓ NMD 2.4 mm (male)
N9923A-104 2 MHz...4 GHz - ✓ - ✓ Only 4G ✓ ✓ ✓ Type N (female)
N9923A-106 2 MHz...6 GHz - ✓ - ✓ Only 4G ✓ ✓ ✓ Type N (female)
N9925A 30 kHz...9 GHz - ✓ - ✓ Only 4G ✓ ✓ ✓ Type N (female)
N9926A 30 kHz...14 GHz - ✓ - ✓ Only 4G ✓ ✓ ✓ Type N (female)
N9927A 30 kHz...18 GHz - ✓ - ✓ Only 4G ✓ ✓ ✓ Type N (female)
N9928A 30 kHz...26.5 GHz - ✓ - ✓ Only 4G ✓ ✓ ✓ 3.5 mm (male)
N9935A - 100 kHz...9 GHz ✓ - ✓ Only 4G ✓ ✓ ✓ Type N (female)
N9936A - 100 kHz...14 GHz ✓ - ✓ Only 4G ✓ ✓ ✓ Type N (female)
N9937A - 100 kHz...18 GHz ✓ - ✓ Only 4G ✓ ✓ ✓ Type N (female)
N9938A - 100 kHz...26.5 GHz ✓ - ✓ Only 4G ✓ ✓ ✓ Type N (female)
N9960A - 9 kHz...32 GHz ✓ - ✓ Only 4G ✓ ✓ ✓ NMD 2.4 mm (male)
N9961A - 9 kHz...44 GHz ✓ - ✓ Only 4G ✓ ✓ ✓ NMD 2.4 mm (male)
N9962A - 9 kHz...50 GHz ✓ - ✓ Only 4G ✓ ✓ ✓ NMD 2.4 mm (male)
▸B 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
N9913B 30 kHz...4 GHz 9 kHz...4 GHz ✓ - ✓ ✓ ✓ ✓ ✓ Type N (female)
N9914B 30 kHz...6.5 GHz 9 kHz...6.5 GHz ✓ - ✓ ✓ ✓ ✓ ✓ Type N (female)
N9915B 30 kHz...9 GHz 9 kHz...9 GHz ✓ - ✓ ✓ ✓ ✓ ✓ Type N (female)
N9933B - 9 kHz...4 GHz ✓ - ✓ ✓ ✓ ✓ ✓ Type N (female)
N9934B - 9 kHz...6.5 GHz ✓ - ✓ ✓ ✓ ✓ ✓ Type N (female)
N9935B - 9 kHz...9 GHz ✓ - ✓ ✓ ✓ ✓ ✓ Type N (female)
▸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)
N9913C 5 kHz...4 GHz 3 kHz...4 GHz ✓ - ✓ ✓ ✓ ✓ ✓ Type N (female)
N9914C 5 kHz...6.5 GHz 3 kHz...6.5 GHz ✓ - ✓ ✓ ✓ ✓ ✓ Type N (female)
N9915C 5 kHz...10 GHz 3 kHz...10 GHz ✓ - ✓ ✓ ✓ ✓ ✓ Type N (female)
N9933C - 3 kHz...4 GHz ✓ - ✓ ✓ ✓ ✓ ✓ Type N (female)
N9934C - 3 kHz...6.5 GHz ✓ - ✓ ✓ ✓ ✓ ✓ Type N (female)
N9935C - 3 kHz...10 GHz ✓ - ✓ ✓ ✓ ✓ ✓ Type N (female)

FieldFox Options

▸FieldFox options for signal/spectrum analysis (SA)
▸FieldFox options for CAT/vector network analysis (CA/NA)
▸FieldFox options for RF power measurement
▸System functions and software
▸FieldFox N9912C series options basic functions and frequency upgrades

Agilent's Electronic Measurement Group is now Keysight Technologies.