Keysight (Agilent) Technologies N9927A RF Network Analyzers


18 GHz FieldFox Microwave Vector Network Analyzer

18GHz FieldFox Microwave Analyzer
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FieldFox is equipped to handle routine maintenance, in-depth troubleshooting and anything in between. FieldFox delivers Agilent-quality measurements – wherever you need to go. Add FieldFox to your kit, and carry precision with you.

The microwave combination analyzer's base function is a cable and antenna analyzer and it can be configured to include a spectrum and network analyzer. FieldFox can be ordered with additional capabilities: power meter, independent signal generator, vector voltmeter, interference analyzer, variable DC source, built-in GPS receiver, and remote control using an iPad or iPhone.


Get precise measurements that agree with benchtop results
CalReady, QuickCal, and ECal provide accurate return loss, distance-to-fault and S-parameters
InstAlign – Unprecedented absolute amplitude accuracy across the full band, no warm-up required


Dust-free design with no fans, no vents extends instrument reliability in harsh environments
Water-resistant; withstands salty, humid environments
MIL-PRF-28800F Class 2 compliant
MIL-STD-810G, Method 511.5 Procedure I requirements for operation in explosive environments (type tested)

Key Features & Specifications

Vector network analyzer (VNA)
30 kHz to 18 GHz
Directivity > 32 dB, dynamic range 100 dB to 9 GHz, 90 dB to 18 GHz
Flat output power (± 1 dB) across whole frequency range, adjustable in 1 dB steps
Transmission/reflection (S21, S11), or full two-port (S21, S11, S12, S22)

Cable and antenna analyzer
30 kHz to 18 GHz
Distance-to-fault, return loss, cable loss

Vector voltmeter (VVM), power and pulse measurements
VVM: 30 kHz to 18 GHz, compare phase and electrical length
Average power, peak power, and pulse characterization with USB power sensors
Built-in power meter: 5 kHz to 18 GHz

N9927A OPTIONS (25)
N9927A-010 Time domain
N9927A-030 Remote control capability
N9927A-0B0 Download the product manual from the Keysight website
N9927A-112 QuickCal
N9927A-208 USB power sensor measurements versus frequency
N9927A-211 Full 2-port S-parameters
N9927A-212 1-port mixed-mode S-parameters
N9927A-215 TDR Cable Measurements
N9927A-302 USB power sensor support
N9927A-305 Cable and antenna analyzer
N9927A-307 GPS receiver
N9927A-308 Vector voltmeter
N9927A-309 DC bias variable-voltage source
N9927A-310 Built-in power meter
N9927A-330 Pulse measurements
N9927A-ABA Printed Users Guide in English
R-50C-011-10 Calibration Assurance Plan - Return to Keysight - 10 years
R-50C-011-3 Calibration Assurance Plan - Return to Keysight - 3 years
R-50C-011-5 Calibration Assurance Plan - Return to Keysight - 5 years
R-50C-011-7 Calibration Assurance Plan - Return to Keysight - 7 years
R-50C-016-3 Keysight Calibration + Uncertainties + Guardbanding - 3 years
R-50C-016-5 Keysight Calibration + Uncertainties + Guardbanding - 5 years
R-51B-001-10Z Warranty Assurance Plan - Return to Keysight - 10 years
R-51B-001-5Z Warranty Assurance Plan - Return to Keysight - 5 years
R-51B-001-7Z Warranty Assurance Plan - Return to Keysight - 7 years
N9927A PRODUCT Q & A  
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