N9912A FieldFox RF Analyzer, Handheld Cable and Antenna Analyzer and Handheld Spectrum Analyzer, 4/6


click to collapse this panelKey Specifications

  • Cable and Antenna Analyzer – 2 MHz to 4 GHz and optional 6 GHz, directivity > 42 dB, 1.5 ms per point
  • Network Analyzer – 2 MHz to 4 GHz and optional 6 GHz, S11 magnitude and phase, S21 magnitude
  • Spectrum Analyzer – 5 kHz to 4 GHz and optional 6 GHz, DANL: -148 dBm, 1 second / full span (6 GHz)
  • Interference Analyzer – Spectrogram, waterfall display, record and play back
  • Power Meter – 9 kHz to 24 GHz U2000 Series USB power sensor dependent
  • Vector Voltmeter – 2 MHz to 4 GHz and optional 6 GHz, compare phase and electrical length

click to collapse this panelDescription

View 90 Second FieldFox Flash Demo

The FieldFox RF Analyzer is the world’s most integrated handheld instrument for wireless network installation and maintenance. It combines cable/antenna analysis, spectrum analysis, interference analysis, power meter measurements, vector network analysis, and a vector voltmeter into one rugged, compact, lightweight and weather-resistant package. Standard accessories include AC/DC adapter, battery, soft carrying case, and user manual. Additional accessories are available under N9910X RF and MW handheld accessories


  • Cable and antenna analyzer for return loss, one-port cable loss, distance to fault, line sweeping, and VSWR measurements
  • Handheld network analyzer (S11, S21, phase, and Smith Chart). Need all 4 S-parameters? Check out the FieldFox RF VNA N9923A
  • Handheld spectrum analyzer, optional preamplifier
  • Cable trimming
  • Channel power, adjacent channel power (ACP), and occupied bandwidth (OBW)


  • Integrated QuickCal allows you to calibrate FieldFox without a calibration kit, providing worry-free accuracy and repeatability
  • Immediate calibration with FieldFox’s CalReady makes the unit calibration ready at the test port immediately following power-up
  • Broadband calibration with automatic interpolation to eliminate re-calibration of FieldFox when the test frequency or the number of points changes
  • Mechanical open, short, load calibration support

Discuss cable and antenna measurements: Installation and Maintenance Discussion Forum

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Shipping Details

  • Please pay more attention to your order address which MUST MATCH your shipping address. (If you’re from Russia, Please leave your full name. It is very important)
  • Items will be shipped within 3 business days after payment.
  • Please check items when delivered, if damaged, please kindly accept it and contact us immediately.  We will make a confirmation and resend you a new one.


Shipping By Shipping Cost Estimated Delivery Time Tracking Information
Thembay Express Free Shipping 12-20 days Not available
LEX $20.00 - $50.00 04-12 days Available
Lorem Ex $26.00 - $70.00 03-17 days Available

Packaging Details

  • Unit Type: piece
  • Package Size: 25cm x 32cm x 5cm (9.84in x 12.60in x 1.97in)
  • Package Weight: 0.56kg (1.23lb.)