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N9938A FieldFox Handheld Microwave Spectrum Analyzer, 26.5 GHz
A lightweight, durable, microwave spectrum analyzer, interference analyzer, distance-tracking generator, preamplifier, power meter, and more
Configuration
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Never Sacrifice Capability or Portability
Keysight's FieldFox portable analyzers are equipped to handle your toughest working environments during routine maintenance, in-depth troubleshooting, and anything in between. Choose the Keysight FieldFox configuration that best meets your needs.
- Make accurate spectrum analyzer measurements (± 0.5 dB) without warmup.
- Capture intermittent signals with 10 MHz gap-free, real-time bandwidth.
- Characterize radar pulse profiles with a portable solution.
- Perform over-the-air measurements for 5G TF and LTE.
- Capture I/Q data for RF signal monitoring and analysis.
- Use GPS/GNSS for geolocation and timestamping.
- Carry one lightweight unit at 3.0 kg (6.6 lb).
What's included:
- AC/DC adapter
- Localized power cord
- Rechargeable Li-ion battery
- LAN cable
- Soft carrying case with backpack and shoulder straps
- Quick Reference Guide
KEY SPECIFICATIONS
Number of Built-In Ports
2 ports
Maximum Frequency
26.5 GHz
Output Power
Up to 1 dBm
Type
Handheld
Number of Built-In Ports
Maximum Frequency
Output Power
Type
2 ports
26.5 GHz
Up to 1 dBm
Handheld
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Additional SA Based Features:
Real-Time Spectrum Analysis
Noise Figure Measurements
Over-The-Air Measurements
Built-In Power Meter
Extended Range Transmission Analysis (ERTA)
Applications-Cellular:
89600 VSA Software
Over-The-Air LTE FDD and 5GTF
Applications-Digital Video:
89600 VSA Software
Applications-General Purpose:
AM/FM Tune and Listen
Field Strength Measurement
SCPI Code Compatibility
Spectrogram
Stimulus Response
Applications-Wireless Connectivity:
89600 VSA Software
Bandwidth Options:
10 MHz (standard)
Cable and Antenna Analyzer:
No
DANL @1 GHz:
-155 dBm
Frequency:
26.5 GHz
Instrument Type:
Spectrum Analyzer
Maximum Analysis Bandwidth:
10 MHz
Maximum Frequency:
26.5 GHz
Maximum Real-Time Bandwidth:
10 MHz
Number of Built-In Ports:
2 ports
Output Power:
Up to 1 dBm
Overall Amplitude Accuracy:
±0.35 dB
Phase Noise @1 GHz (1 MHz offset):
-113 dBc/Hz
Phase Noise @1 GHz (10 kHz offset):
-111 dBc/Hz
Phase Noise @1 GHz (30 kHz offset):
-108 dBc/Hz
Power Measurement Using USB Sensor:
Frequency-Offset
CW or Swept-Frequency
RF Pulse Test with Peak Sensor
SA Start Frequency:
5 kHz
Spectrum Analyzer:
Yes - Standard
Spur Free Dynamic Range:
> 105 dB
Standard Attenuator Range:
30 dB
Standard Attenuator Step:
5 dB
System Features:
GPS Receiver - Internal Only
Remote Control Capability
Built-In DC Source
Type:
Handheld
TOI @1 GHz (3rd Order Intercept):
+15 dBm
Vector Network Analyzer:
No
N9938A FieldFox Handheld Software
Make your FieldFox handheld analyzer more capable with convenient software upgrades — engineered to deliver precise measurements in the field.
- Carry one portable instrument that handles routine maintenance and in-depth troubleshooting.
- Configure as a spectrum analyzer, built-in power meter, tracking generator, and more.
- Order software pre-installed or upgrade an existing instrument.
PathWave Vector Signal Analysis (89600 VSA) Software
- Record signals in the field and evaluate them later using 89600 VSA.
- Demodulate and perform comprehensive vector signal analysis to optimize your deployment.
- Decode and verify MAC, RLC, and RRC-layer messages across multiple radio frames.
- Analyze and troubleshoot signals in cellular, wireless-connectivity, aerospace, defense, and general-purpose applications.
Interested in the N9938A?
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