Keysight N9937A FieldFox Handheld Microwave Analyzer

N9937A FieldFox Handheld Microwave Spectrum Analyzer – 18 GHz

Overview

The Keysight N9937A FieldFox is a rugged, lightweight handheld microwave spectrum analyzer designed for demanding field environments. With a frequency range up to 18 GHz, it integrates multiple instruments into a single 3.0 kg unit, including a spectrum analyzer, interference analyzer, distance-to-fault generator, preamplifier, power meter, and more. This all-in-one portability makes it ideal for field maintenance, troubleshooting, and in-depth RF testing without sacrificing measurement accuracy or performance.

Applications

Perfect for RF engineers and technicians performing spectrum monitoring, interference detection, radar analysis, over-the-air (OTA) testing for 5G TF and LTE, and I/Q data capture for signal analysis.

Technical Specifications

• Frequency Range: Up to 18 GHz

• Measurement Accuracy: ± 0.5 dB without warm-up

• Real-Time Bandwidth: 10 MHz gap-free for intermittent signal capture

• Radar Analysis: Portable radar pulse profile characterization

• Over-the-Air Testing: 5G TF, LTE, and other wireless standards

• I/Q Data Capture: For RF monitoring and analysis

• GPS/GNSS: For geolocation and timestamping

• Weight: 3.0 kg (6.6 lb) – portable and field-ready

Integrated Features

• Spectrum analyzer

• Interference analyzer

• Distance-to-fault (DTF) generator

• Built-in preamplifier

• Power meter

• GPS/GNSS receiver

Included Accessories

• AC/DC adapter

• Localized power cord

• Rechargeable Li-ion battery

• Soft carrying case with backpack and shoulder straps

• Quick Reference Guide