Agilent/Keysight N9927A

The Agilent/Keysight N9927A FieldFox is a portable handheld microwave vector network analyzer engineered for field deployment from 30 kHz to 18 GHz. This rugged instrument delivers S-parameter analysis, cable and antenna characterization, power measurement, and pulse RF analysis in a compact 3.0 kg package.

Technical Specifications

Frequency Range: 30 kHz to 18 GHz Vector Network Analyzer Performance:

• Dynamic range up to 94 dB with four independent sensitive receivers


• Trace noise: 0.004 dB rms


• S-parameter measurements: S11, S21 (base) or full two-port S11, S21, S12, S22 with magnitude and phase


• Mixed-mode (balanced) S-parameters and common-mode/differential-mode reflection measurements


• Calibration methods: QuickCal, full 2-port unknown thru, TRL, OSL, response, and enhanced response calibration Output Power: Up to 1 dBm with flat power in 1 dB steps across frequency span. Low-power CAT mode: -45 dBm nominal. DC Bias Source:


• Voltage range: 1 to 32 VDC


• Maximum current: 650 mA


• Maximum power: 8 W


• Supports amplifier biasing and tower-mounted amplifier powering Power Meter & Pulse Capabilities:


• USB power sensor measurements with independent source/receiver frequencies


• Average and pulse power measurement


• Channel power accuracy: ±0.5 dB


• Supports Agilent USB peak power sensors (18 and 40 GHz models)


• Pulse characterization: peak power, peak-to-average ratio, rise time, fall time, pulse repetition frequency

Key Features

• Bright, low-reflection display with backlit keys


• Glove-operable large buttons for field operation


• Lightweight 3.0 kg form factor


• Configurable to include vector voltmeter and time-domain reflectometer options

Connectors & Integration Supports Type-N 50 Ω, Type-N 75 Ω, 7/16 DIN, TNC, 3.5 mm, 2.4 mm, and waveguide connectors.