The Keysight N9913B FieldFox is a handheld RF analyzer combining spectrum analysis, cable and antenna testing, and vector network analysis in a single portable instrument. Engineered for field deployment, it delivers accurate measurements across 5 kHz to 4 GHz without warm-up delay, supporting both routine maintenance and complex troubleshooting of RF systems and components.
Technical Specifications
Frequency Coverage
• Base CAT/VNA mode: 30 kHz to 4 GHz
• Spectrum Analyzer option: 9 kHz to 4 GHz
• Full range capability: 5 kHz to 4 GHz
Spectrum Analysis Performance
• Measurement accuracy: ±0.3 dB
• Resolution Bandwidth: 5 MHz
• DANL: −155 dBm
• Attenuation Range: 30 dB
• Amplitude Flatness: ±0.5 dB
• Third Order Intercept: 15 dBm
• Dynamic Range: 95 dB
• Phase Noise: −113 dBc/Hz @ 1 GHz
• Output Power: >8 dBm in certain bands
Vector Network Analysis
• Simultaneous four S-parameter measurement
• System Dynamic Range: >115 dB
• Full 2-port S-parameters with optional configuration
• Transmission and reflection measurement capability
Real-Time Spectrum Analysis
• 120 MHz and 100 MHz gap-free real-time bandwidth options
• Intermittent signal capture
Physical & Power
• Weight: 3.4 kg (7.4 lb)
• Battery Life: >5 hours (high-capacity Li-ion)
• Connectors: Type-N (f), 2 ports
• Includes AC/DC adapter and soft carrying case with backpack
– Key Features
• No warm-up requirement for spectrum measurements
• Modular handheld design for field-hardened environments
• Optional multi-GNSS receiver (GPS, GLONASS, BDS, Galileo) for geolocation and timestamping
• Optional Vector Voltmeter, Power Meter, and Pulse/Noise Figure measurement
• Extended Range Transmission Analysis (ERTA) option
• Over-the-Air measurements for 5G NR and LTE
• 5G NR and LTE-A demodulation with 89600 VSA software
• I/Q capture recording and playback for custom analysis
– Typical Applications
Cable and antenna characterization, spectrum monitoring, transmitter/receiver validation, component testing, field maintenance, and 5G/LTE signal analysis.
– Compatibility & Integration
Expandable via software options for VNA transmission analysis and advanced measurement capabilities. GPS/GNSS integration available with multi-constellation support.
