Keysight N9918A FieldFox Handheld Microwave Analyzer

Keysight N9918A – FieldFox Handheld Microwave Analyzer

The Keysight N9918A FieldFox is a multifunction, handheld microwave analyzer operating up to 26.5 GHz. Compact, rugged, and feature-rich, it is the ideal solution for field engineers performing installation, verification, and maintenance on RF and microwave systems.

As part of Keysight’s FieldFox family, the N9918A offers comprehensive RF testing in a single portable device — including cable and antenna testing, spectrum analysis, vector network analysis (VNA), time-domain reflectometry (TDR), and more. It is well-suited for aerospace, defense, broadcasting, and wireless telecom field operations.

Detailed Specifications

• Frequency range: Up to 26.5 GHz

• VNA capability: 2-port full S-parameter measurements

• DTF/TDR support: Measured in the same sweep

• Spectrum accuracy: ± 0.5 dB (no warm-up required)

• Dynamic range: Up to 100 dB

• Weight: 3.0 kg (6.6 lb)

• Battery runtime: ~4 hours

Integrated Features

• Standard cable and antenna analyzer

• Optional vector network analyzer (VNA)

• Optional spectrum analyzer

• Built-in vector voltmeter and power meter

• QuickCal field calibration

• Time-domain reflectometry (TDR) and distance-to-fault (DTF)

• Support for USB power sensors (average and pulse)

Hardware & Interfaces

• Display: High-contrast, outdoor-readable LCD

• Connectivity: USB, LAN, GPS (optional), external trigger

• Included accessories:

  • AC/DC adapter

  • Rechargeable Li-ion battery

  • Localized power cord

  • Soft carrying case with backpack and shoulder straps

  • Quick Reference Guide

Physical Specifications & Power

• Dimensions: Approx. 292 × 188 × 72 mm

• Weight: 3.0 kg (6.6 lb)

• Power input: 100–240 V AC, 50/60 Hz

• Battery: Rechargeable, removable Li-ion battery