Description
The Keysight N9961A is an A-series FieldFox handheld microwave spectrum analyzer with frequency coverage up to 44 GHz. It brings benchtop-style spectrum measurements to field sites in a battery-powered, sealed housing built for harsh conditions. Technicians can measure signal power, find interference and verify transmitters at microwave and millimeter-wave frequencies without returning equipment to the lab. Satellite ground station crews, microwave backhaul installers, defense maintenance teams and radar technicians use it for installation, maintenance and troubleshooting work.
Key features
- Spectrum analysis up to 44 GHz
- Handheld, battery-powered operation
- Rugged housing designed for field use
- Daylight-viewable display
- Interference hunting and signal power measurements
Typical applications
- Microwave and millimeter-wave backhaul link installation
- Satellite communications ground station maintenance
- Radar and electronic warfare system verification
- Interference detection and spectrum monitoring
Specifications
| Brand | Keysight |
|---|---|
| Model | N9961A |
| Product type | Handheld microwave spectrum analyzer |
| Series | FieldFox A-series |
| Upper frequency | 44 GHz |
| Power | Rechargeable battery or AC adapter |
| Form factor | Handheld, rugged |





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