The Keysight N9916B FieldFox is a handheld microwave analyzer delivering integrated spectrum analysis, vector network analysis, and cable/antenna testing in a rugged, field-deployable package. Built for RF technicians and engineers performing maintenance, troubleshooting, and deployment verification on cables, antennas, filters, and amplifiers in demanding environments, the N9916B combines portability with durability—meeting MIL-PRF-28800F Class 2 and MIL-STD-810G standards.
– Technical Specifications
Frequency Coverage
• Cable and Antenna Analyzer (CAT) and Vector Network Analyzer (VNA): 30 kHz to 14 GHz
• Spectrum Analyzer (SA): 9 kHz to 14 GHz
Vector Network Analysis
• Simultaneous four S-parameter measurement
• Dynamic range: 115 dB
Spectrum Analysis
• Amplitude accuracy: ±0.3 dB without warm-up
• Real-time bandwidth up to 120 MHz gap-free
Additional Capabilities
• Over-the-air measurements for 5G NR, LTE, and 5GTF
• USB power sensor integration
• Optional built-in power meter and vector voltmeter
• PathWave Vector Signal Analysis (89600 VSA) software for signal recording and demodulation
• Analysis bandwidth options: 40 MHz and 120 MHz
Environmental Performance
• Operating temperature: –10 to +55 °C
• Completely sealed enclosure with water-resistant chassis, keypad, and case
• Type-N (female) test port connectors
• Built-in GPS/GNSS receiver for geolocation and timestamping
• Weight: 3.4 kg
– Key Features
• 115 dB dynamic range for S-parameter measurement
• Field-hardened design meets MIL-PRF-28800F Class 2 and MIL-STD-810G requirements
• Modular architecture with optional VNA, spectrum analyzer, power meter, and vector voltmeter capabilities
• Real-time gap-free measurement bandwidth to 120 MHz
• Rechargeable Li-ion battery with AC/DC adapter
• Soft carrying case included
– Typical Applications
• Cable and antenna characterization in field deployments
• S-parameter and network analysis
• 5G NR and LTE over-the-air measurements
• Spectrum monitoring and interference analysis
• Power measurement via integrated sensors
– Compatibility & Integration
Type-N connector compatibility. Supports external USB power sensors. Integrates with PathWave VSA software for advanced signal analysis, recording, and playback.
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