Agilent/Keysight N9938B
The Agilent/Keysight N9938B is a FieldFox handheld microwave analyzer that delivers precise measurements. It combines spectrum analysis, network analysis, and cable and antenna analysis in a single instrument, ideal for field testing and maintenance.
- Model
- Keysight N9938B
- Calibration
- Available on request
- Price
- $10,590
- RFQ ref
- N9938B
This unit
The Keysight N9938B FieldFox is a handheld spectrum analyzer delivering lab-grade RF and microwave measurements in field environments. Operating from 9 kHz to 26.5 GHz, this ruggedized instrument combines spectrum analysis, network analysis, and cable/antenna characterization in a single 3.4 kg unit. Engineers and technicians deploy it for wireless infrastructure maintenance, radar diagnostics, 5G NR and LTE over-the-air measurements, and signal monitoring across demanding field conditions.
Technical Specifications
Frequency Performance- Frequency Range: 9 kHz to 26.5 GHz (usable to 5 kHz)
- Analysis Bandwidth: 10 MHz standard; optional 40 MHz, 100 MHz, or 120 MHz configurations
- Maximum IQ Streaming Bandwidth: 1 MHz Measurement Accuracy
- Spectrum Analyzer Accuracy: ±0.3 dB (without warmup)
- Amplitude Accuracy: ±0.3 dB
- Displayed Average Noise Level @ 1 GHz: -163 dBm
- Spur-Free Dynamic Range: ≥105 dB
- Dynamic Range: 117 dB Physical & Environmental
- Form Factor: Handheld
- Weight: 3.4 kg (7.4 lb)
- Operating Temperature: -10 to +55 °C
- Environmental Rating: IEC/EN 60529 ingress protection; MIL-PRF-28800F Class 2; MIL-STD-810G Method 511.5 Procedure I
- Construction: Water-resistant chassis, keypad, and case
Key Features
- Capture intermittent signals with gap-free, real-time bandwidth to 120 MHz
- Radar pulse profile characterization
- I/Q data capture for RF signal monitoring and analysis
- Real-Time Spectrum Analysis (RTSA) option (N9938B-350)
- I/Q Analyzer option (N9938B-351)
- Analog Demodulation option (N9938B-355)
- Noise Figure Measurements option (N9938B-356)
- EMI Measurements option (N9938B-361)
Typical Applications
- 5G NR and LTE over-the-air testing
- Wireless infrastructure field maintenance
- Radar system diagnostics
- RF signal characterization in field deployments
- Cable and antenna verification
Compatibility & Integration The N9938B supports multiple measurement modes and optional software licenses to extend functionality across spectrum analysis, network analysis, and signal demodulation workflows.
Keysight N9938B — Repair & Calibration Service
Aumictech offers NIST-traceable calibration and repair for the Keysight N9938B. All calibrations are performed to NIST-traceable standards and ship with a certificate. Turnaround is typically 1–3 business days after receipt.
Keysight N9938B price
This Keysight N9938B is listed at $10,590. Calibration is available separately from $450. Contact us for volume pricing or if you need multiple units.
Keysight N9938B calibration cost
NIST-traceable calibration for the Keysight N9938B is $450 (standard — pass/fail certificate and calibration sticker) or $650 (full measured data at every test point, reference standards documented, traceability chain included). Turnaround is 1 to 3 business days after receipt. See full calibration details →
