Keysight FieldFox N9913B

Keysight FieldFox N9913B

FieldFox Handheld Microwave Analyser, 4 GHz

Key features of N9913B:

  • Base model includes cable and antenna analyser.
  • Expand capabilities with vector network analyser and spectrum analyser options.
  • Capture elusive signals with 100 MHz gap-free, real-time bandwidth.
    Measure all four S-parameters simultaneously with 115 dB dynamic range.
  • Make accurate spectrum analyser 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).

For technical sales, pricing and product demonstrations contact our test equipment engineers on 0330 313 3220 or email


:Maximum Frequency:4 GHz
:Minimum Frequency:30 kHz
:SA Start Frequency:5 kHz
:System Dynamic Range:> 114 dB
:Best Speed at 1001 Point, 1 Sweep :171 us/pt
:Output Power:8 dBm
:Trace Noise:0.001 dB
:Number of Built-In Ports:2 ports
:Instrument Type:Combination Analyser
:Cable and Antenna Analyser:Yes - Standard
:Spectrum Analyser:Yes - Optional
:Vector Network Analyser:Yes - Optional
:Additional CAT/VNA Based Features:•Vector Voltmeter •Mixed-Mode S-Parameters •DTF/TDR Cable Measurements
:Additional SA Based Features:•Built-In Power Meter •Extended Range Transmission Analysis (ERTA) •Real-Time Spectrum Analysis •Noise Figure Measurements •Over-The-Air Measurements
:System Features:Built-In DC Source GPS Receiver - Internal Only Remote Control Capability
:Power Measurement Using USB Sensor:CW or Swept-Frequency Frequency-Offset RF Pulse Test with Peak Sensor
:Standard Attenuator Range:40 dB
:DANL @1 GHz:-163 dBm
:Maximum Analysis Bandwidth:100 MHz
:Phase Noise @1 GHz (1 MHz offset):-124 dBc/Hz
:Phase Noise @1 GHz (10 kHz offset):-117 dBc/Hz
:Phase Noise @1 GHz (30 kHz offset):-115 dBc/Hz
:Spur Free Dynamic Range:> 104 dB
:TOI @1 GHz (3rd Order Intercept):+11 dBm
:Applications Available:Yes
:Maximum Real-Time Bandwidth:100 MHz
:Bandwidth Options:10 standard, 40, 100 MHz
:Performance Level:◆◆◆◆◇◇
:Applications-Cellular:•89600 VSA Software •Over-The-Air LTE FDD and 5GTF
:Applications-Digital Video:89600 VSA Software
:Applications-General Purpose:•AM/FM Tune and Listen •Cable and Antenna Analysis •Field Strength Measurement •SCPI Code Compatibility •Spectrogram •Stimulus Response
:Applications-Wireless Connectivity:89600 VSA Software