Status: B-Models Current Production — A-Models Vary
Overview
The Keysight FieldFox is the industry’s highest-performance handheld RF and microwave analyzer, combining cable/antenna testing, spectrum analysis, VNA capability, and power measurement in a single rugged, battery-powered instrument. Models cover frequencies from 2 MHz to 54 GHz. The FieldFox is MIL-PRF-28800F Class 2 compliant for harsh field environments. A-Series models remain widely deployed while B-Series models offer improved performance and additional measurement modes. All FieldFox models are software-upgradeable to add measurement functions after purchase.
Specifications
| Parameter | Value |
|---|---|
| Frequency | 2 MHz to 54 GHz (model dependent) |
| Functions | Cable/antenna test, VNA, spectrum analyzer, power meter, interference analyzer (model dependent) |
| Dynamic Range | Up to 107 dB (VNA mode) |
| Ruggedness | MIL-PRF-28800F Class 2, IP53, 3-foot drop tested |
| Battery | Up to 4 hours field operation |
| Key Features | Multi-function, field-upgradeable, GPS, built-in power sensor, QuickCal, interference analysis |
Models We Service
Select your model below to request a repair. If your exact configuration isn’t listed, choose the closest match — the evaluation and repair process is the same across all Keysight FieldFox configurations.
| Model | Description | Service |
|---|---|---|
| Keysight N9962A | FieldFox, 50 GHz microwave spectrum analyzer | Request Repair |
| Keysight N9961A | FieldFox, 44 GHz spectrum analyzer | Request Repair |
| Keysight N9960A | FieldFox, 32 GHz spectrum analyzer | Request Repair |
| Keysight N9952A | FieldFox, 50 GHz microwave analyzer | Request Repair |
| Keysight N9951A | FieldFox, 44 GHz microwave analyzer | Request Repair |
| Keysight N9950A | FieldFox, 32 GHz microwave analyzer | Request Repair |
| Keysight N9918B | FieldFox, 26.5 GHz microwave analyzer | Request Repair |
| Keysight N9918A | FieldFox, 26.5 GHz microwave analyzer | Request Repair |
| Keysight N9917B | FieldFox, 18 GHz microwave analyzer | Request Repair |
| Keysight N9917A | FieldFox, 18 GHz microwave analyzer | Request Repair |
| Keysight N9916B | FieldFox, 14 GHz microwave analyzer | Request Repair |
| Keysight N9916A | FieldFox, 14 GHz microwave analyzer | Request Repair |
| Keysight N9915B | FieldFox, 9 GHz microwave analyzer | Request Repair |
| Keysight N9915A | FieldFox, 9 GHz microwave analyzer | Request Repair |
| Keysight N9914B | FieldFox, 6.5 GHz RF analyzer | Request Repair |
| Keysight N9914A | FieldFox, 6.5 GHz RF analyzer | Request Repair |
| Keysight N9913B | FieldFox, 4 GHz RF analyzer | Request Repair |
| Keysight N9913A | FieldFox, 4 GHz RF analyzer | Request Repair |
| Keysight N9912A | FieldFox, 2 MHz–4/6 GHz RF analyzer | Request Repair |
| Keysight N9938B | FieldFox, 26.5 GHz spectrum analyzer | Request Repair |
| Keysight N9938A | FieldFox, 26.5 GHz spectrum analyzer | Request Repair |
| Keysight N9937B | FieldFox, 18 GHz spectrum analyzer | Request Repair |
| Keysight N9937A | FieldFox, 18 GHz spectrum analyzer | Request Repair |
| Keysight N9936B | FieldFox, 14 GHz spectrum analyzer | Request Repair |
| Keysight N9935B | FieldFox, 9 GHz spectrum analyzer | Request Repair |
| Keysight N9935A | FieldFox, 9 GHz spectrum analyzer | Request Repair |
| Keysight N9934B | FieldFox, 6.5 GHz spectrum analyzer | Request Repair |
| Keysight N9933B | FieldFox, 4 GHz spectrum analyzer | Request Repair |
Common Keysight FieldFox Failures We Repair
- Test port connector wear from repeated field connections — N-type and 3.5mm
- Battery cell degradation from charge cycling
- LCD display failure from field impact or temperature extremes
- Internal synthesizer lock failures
- Receiver sensitivity degradation
- USB/LAN interface failures
- GPS module failures
- Keypad button membrane wear
Our technicians perform component-level diagnostics on every Keysight FieldFox unit. We identify and repair the specific failed components rather than replacing entire assemblies when possible, reducing your repair cost and turnaround time.
Calibration
Every Keysight FieldFox repair includes NIST-traceable calibration. We verify all critical measurement parameters against our reference standards and provide a detailed calibration certificate documenting measured performance against the manufacturer’s published specifications.
Who Uses the Keysight FieldFox?
The Keysight N9912A–N9962A FieldFox Handheld RF and Microwave Analyzers are used by cell tower installation and maintenance, satellite ground station service, military RF maintenance, broadcast engineering, cable/antenna system installation, and field RF troubleshooting.
Our Repair Process
- Ship Your Instrument: Send your Keysight FieldFox to our facility from anywhere in the US. We provide prepaid shipping labels on request.
- Free Evaluation: Our technicians perform a complete diagnostic assessment and provide a firm, no-obligation repair quote.
- Expert Repair: Upon approval, we perform component-level repair using OEM-grade parts.
- NIST-Traceable Calibration: Full calibration with documented results across all critical parameters.
- Return Shipment: Your instrument is securely packaged and returned with calibration certificate, repair documentation, and our 90-day warranty.
Request a Repair
Contact us for professional Keysight FieldFox repair and calibration. Our team is ready to evaluate your instrument and provide a no-obligation quote.
Email: info@junecompany.com | All repairs include a 90-day parts and labor warranty.
