Description
The Keysight N9938A is a FieldFox A-series handheld spectrum analyzer that covers frequencies up to 26.5 GHz. It is designed for engineers who need lab-grade spectrum measurements at towers, rooftops, ships and remote sites. The battery-powered unit is sealed against dust and moisture, and the display remains readable in sunlight. Field teams use it to verify microwave radios, locate interference, check satellite and radar signals, and document transmitter performance during installation and routine maintenance of RF and microwave systems.
Key features
- Spectrum analysis up to 26.5 GHz
- Lightweight handheld format with battery operation
- Sealed, rugged housing for outdoor use
- Sunlight-readable display
- Interference analysis and channel power measurements
Typical applications
- Point-to-point microwave radio installation
- Satellite and VSAT signal checks
- Radar system maintenance
- Field interference investigations
Specifications
| Brand | Keysight |
|---|---|
| Model | N9938A |
| Product type | Handheld microwave spectrum analyzer |
| Series | FieldFox A-series |
| Upper frequency | 26.5 GHz |
| Power | Rechargeable battery or AC adapter |
| Form factor | Handheld, rugged |





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