Keysight N9951D 44 GHz Microwave Analyzer

Overview

The Keysight N9951D is a 44 GHz handheld combination analyzer providing a versatile, all-in-one solution for cable and antenna testing, spectrum monitoring, signal analysis and generation, and interference hunting. Operating from 300 kHz to 44 GHz with a maximum analysis bandwidth of 120 MHz, this rugged field-deployable analyzer delivers reliable performance in both lab and field settings. The analyzer features a Linux-based operating system, intuitive touchscreen interface, and software-defined architecture with more than 25 configurable license-key options to meet evolving testing needs.

Key Features

• Frequency coverage: 300 kHz to 44 GHz (VNA/CAT) and 9 kHz to 44 GHz (Spectrum Analyzer)
• Maximum analysis bandwidth: 120 MHz gap-free, real-time bandwidth
• IQ streaming capability: up to 120 MHz
• Configurable operation modes: VNA, spectrum analyzer, pulse generator, power meter, vector voltmeter, direction-finding receiver, and additional software-defined functions
• Field-swappable battery with up to 4 hours runtime
• Lightweight design at 3.6 kg (8 lb) with rugged, weatherproof MIL-spec housing
• Spectrum analysis accuracy: ±0.1 dB without warm-up requirement
• 2.4 mm (m) test port connector
• Linux-based operating system with touchscreen interface for simplified operation and file management

Applications

• Cable and antenna testing and characterization
• Spectrum monitoring and interference detection
• 5G/LTE over-the-air (OTA) field testing
• RF signal generation and power measurements
• Time-domain cable fault location (TDR)
• Electromagnetic field (EMF) measurements
• Vector network analysis and mixed-mode S-parameter measurements