Keysight N9951B FieldFox Microwave Analyzer
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Keysight N9951B FieldFox microwave analyzer provides 44 GHz frequency coverage with 120 MHz real-time bandwidth, combining VNA and spectrum analyzer functions.
Product details
| Model | N9951B |
| Manufacturer | Keysight |
| Category | Vector Network Analyzers |
| Availability | Made to order |
Description
Overview
The Keysight N9951B is a portable handheld FieldFox microwave analyzer delivering comprehensive RF and microwave analysis capabilities in the field. With 44 GHz maximum frequency, 120 MHz real-time bandwidth, and integration of multiple measurement functions into a single 3.4 kg unit, the N9951B enables field deployment, troubleshooting, and optimization of 5G networks and microwave systems.
Key Features
- Frequency coverage from 30 kHz to 44 GHz
- 120 MHz real-time bandwidth for capturing transient signals
- Vector Network Analyzer (2-port, 115 dB dynamic range)
- Spectrum Analyzer with ±0.3 dB accuracy and no warmup time required
- Over-the-air measurement capability for 5G NR and LTE
- Built-in cable and antenna analyzer
- GPS/GNSS receiver for geolocation and timestamping
- Lightweight design at 3.4 kg (7.4 lb)
- 100 MHz gap-free real-time spectrum analysis
Applications
- 5G New Radio (5G NR) network deployment and optimization
- LTE field testing and troubleshooting
- Microwave and millimeter-wave network verification
- Cable and antenna analysis
- AM/FM field strength measurement
- Automotive radar and satellite communication testing
- EMI/RFI troubleshooting
Specifications
| High Frequency (range) | 20GHz <= 50GHz |
| Low Frequency (range) | 100kHz <= 1MHz |
| Connector Type | 2.4mm-Male (Jack) |
| Frequency | 44 GHz |
| Series | B-Series |
| Backlight | Yes |
| Battery Life | 4 hrs. |
| Battery Type | Lithium-Ion |
| Connector Type | NMD 2.4 mm (m) |
| Dimensions | 11.5 x 7.4 x 3.2 in. |
| Display | 6.5" Transflective Color LCD-LED |
| Dynamic Range | 105 dB |
| Frequency Range | 300 kHz to 44 GHz |
| Function | CAT, VNA, SA |
| Includes | AC/DC Adapter, Localized Power Cord, Quick Reference Guide, Rechargeable Li-Ion Battery, Soft Carrying Case with Backpack and Shoulder Straps |
| Number of Ports | 2 |
| Operating Temperature Range | 0 to 55°C |
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Keysight N9951B FieldFox Microwave Analyzer
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