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Help CenterKeysight N9937B FieldFox Handheld Microwave Spectrum Analyzer, 9 KHz to 18 GHz
Product Spotlights
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.
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Keysight N9937B FieldFox Handheld Microwave Spectrum Analyzer, 9 kHz to 18 GHz
FieldFox Handheld Microwave Spectrum Analyzer N9936B ：9 kHz to 14 GHz
FieldFox Handheld Microwave Spectrum Analyzer N9937B ：9 kHz to 18 GHz
FieldFox Handheld Microwave Spectrum Analyzer N9938B ：9 kHz to 26.5 GHz
A lightweight, durable, microwave spectrum analyzer, interference analyzer, distance-tracking
generator, preamplifier, power meter, and more
Highlights
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 (± 0.3 dB) without warmup.
•Capture intermittent signals with 120 MHz gap-free, real-time bandwidth.
•Characterize radar pulse profiles with a portable solution.
•Perform over-the-air measurements for 5G NR and LTE.
•Capture I/Q data for RF signal monitoring and analysis.
•Use GPS/GNSS for geolocation and timestamping.
•Carry one lightweight unit at 3.4 kg (7.4 lb).
What's included:
•AC/DC adapter
•Localized power cord
•Rechargeable Li-ion battery
•Soft carrying case with backpack and shoulder straps
•Quick Reference Guide
N9937B 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.
Why choose FieldFox?
•A truly software-defined analyzer, the newly introduced N9912C RF analyzer in particular, offers the
maximum flexibility and the least initial investment to meet rapidly changing market requirements
•Ideal 5G deployment and field-testing tool with 120 MHz real-time bandwidth and over-the-air (OTA) measurements
•Ability for 5G, satellite and radar operators to make true RF coverage measurements, up to 54 GHz and beyond,
and beamforming verification with phased array antenna support
•Simplified field signal monitoring with wideband capture and recording of fully corrected IQ data
•Highly efficient radar and EW systems diagnostics with spectrum analysis, full 2-port VNA, power meter, pulse
and noise figure measurements and results that correlate with high-performance bench top instruments.
•Durable handheld analyzers that can withstand your toughest working conditions
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