Product details
Keysight FieldFox N9928A Handheld Microwave Vector Network Analyzer 26.5 GHz RF Test Equipment
The Keysight FieldFox N9928A Handheld Microwave Vector Network Analyzer is a portable RF and microwave test instrument for accurate cable, antenna, and component measurements up to 26.5 GHz. It provides VNA, cable and antenna analyzer, vector voltmeter, and time-domain measurement capabilities for field engineers, RF technicians, and communication system maintenance teams.
Portable microwave testing solution for field and laboratory environments.
Performs accurate RF measurements without requiring large benchtop equipment.
Helps identify cable faults, antenna problems, and signal performance issues.
Supports fast troubleshooting for wireless, aerospace, defense, and communication systems.
Provides reliable measurements with calibration support for field conditions.
Key Features
Handheld microwave vector network analyzer (VNA).
Frequency range up to 26.5 GHz.
Measures all four S-parameters with a single connection.
Supports cable and antenna analysis functions.
Time-domain reflectometry (TDR) measurement capability.
Vector voltmeter measurement mode.
Built-in calibration functions including QuickCal and full two-port calibration.
Portable design with rechargeable battery operation.
Lightweight field-ready construction.
Technical Specifications
Model: Keysight FieldFox N9928A
Instrument Type: Handheld Microwave Vector Network Analyzer
Frequency Range: 30 kHz to 26.5 GHz
Measurement Modes:
Vector Network Analyzer (VNA)
Cable and Antenna Analyzer (CAT)
Time Domain Reflectometry (TDR)
Vector Voltmeter (VVM)
System Impedance: 50 Ω nominal
S-Parameters: Full two-port S-parameter measurements
Dynamic Range: Up to 95 dB
Frequency Resolution: Up to 1 Hz depending on frequency range
Calibration: QuickCal, SOLT, TRL calibration support
Power Supply: Rechargeable Li-ion battery / AC adapter
Weight: Approximately 3 kg (6.6 lb)
Applications
RF cable testing and fault location.
Antenna installation and maintenance.
Wireless communication system testing.
Microwave component characterization.
Filter, amplifier, and RF module testing.
Aerospace and defense communication systems.
Satellite communication equipment inspection.
Field RF network troubleshooting.







