The Keysight FieldFox N9912C is a robust, portable RF analyzer from the FieldFox C series. It has been specially developed for field use and combines laboratory measurement accuracy with maximum flexibility. Thanks to its software-defined architecture, the N9912C can be expanded at any time using a license key - without the need for additional hardware or sending in the device.
- Software-defined measuring device - functions and frequency ranges (4 / 6.5 / 10 GHz) can be flexibly activated via software options.
- Frequency range: 3 kHz up to 10 GHz (depending on model and options).
- More than 20 measurement functions in one device - ideal for installation, maintenance and troubleshooting.
- No warm-up required for specified spectrum analyzer measurements - switch on and measure.
- Compact, battery-operated and field-ready - shockproof housing, designed for outdoor use.
Make the Keysight FieldFox of the C generation your ideal companion with the configurable measurement functions:
Cable & antenna analysis (CAT)
- Distance-to-Fault (DTF), Return Loss, VSWR, cable attenuation for fast line and antenna testing.
- TDR measurements (optional) for localizing and characterizing faults in cables.
Vector network analyzer (VNA)
- Measurement of S-parameters S11, S21, S12 and S22 (option-dependent).
- Typical dynamic range up to 118 dB for precise component and system characterization.
- Extensive calibration procedures (e.g. QSOLT, Full-2-Port, ECal) for maximum accuracy.
Spectrum analyzer (SA)
- Spectrum analysis from 3 kHz to 10 GHz (depending on SA4/SA6/SAX option).
- Absolute level accuracy typ. ±0.2 dB at 50 MHz.
- Very low noise floor (DANL) down to -148 dBm typical.
Real-time spectrum analysis (RTSA, option 350)
- Real-time bandwidth up to 40 MHz (option B04, up to 120 MHz with option B10 - not available for N9912C).
- Reliable detection of short-term and intermittent signals thanks to high POI performance.
Other options
- Tracking generator / independent source with output power up to +10 dBm (option 220).
- Preamplifier with +20 dB gain over the entire frequency range (option 235).
- GNSS (GPS+) for geolocalization and time stamping of measurement data (option 307).
- Extensions for LTE, 5G NR, EMF measurements, pulse and power analysis and much more.
Application areas
- Installation and maintenance of mobile radio and 5G networks
- Broadcast and antenna technology
- Defense, aerospace
- Industry, research & Development, education
Compared to the other models in the FieldFox C series (N9913C, N9914C, N9915C), the N9912C is the most flexible basic model: It covers either 4, 6.5 or 10 GHz via software options and can be expanded both in frequency range and applications (CAT, VNA, SA, RTSA, etc.) can be expanded step by step. The N9913C, N9914C and N9915C models, on the other hand, are each designed for a fixed maximum frequency range (4 / 6.5 / 10 GHz) and therefore offer fewer options for subsequent adaptation. This makes the N9912C particularly suitable as a future-proof, freely configurable platform for individual upgrade concepts.
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