Description
Imagine a site visit with no bench, no mains socket and no laptop. The Keysight N9938B spectrum analyzer is a rugged FieldFox handheld that reaches 26.5 GHz and runs on battery. It weighs approximately 3.4 kg, so one engineer can carry it. Lost in HCM lists it for rental and sale, with service on request.
What the handheld offers
- Maximum frequency of 26.5 GHz.
- Maximum analysis bandwidth of 120 MHz, as configured.
- Amplitude accuracy of up to plus or minus 0.3 dB.
- No vector network analyzer capability.
- Weight of approximately 3.4 kg.
Installed hardware, options and licenses can change these values. So the configuration in your quote takes precedence.
Options that change the job
Several features arrive as configuration options. Gap-free real-time analysis with 120 MHz bandwidth helps catch intermittent emissions. A tracking generator, a preamplifier, interference analysis and time gating are also options. In addition, GPS/GNSS and IQ capture support monitoring and geolocation work. List the ones you need when you ask for a quote.
Field work for the Keysight N9938B spectrum analyzer
First, interference hunting is the classic case. Radio and microwave links, satellite earth stations and radar sites all need quick checks at the antenna. Transmitter verification and portable over-the-air LTE and 5G NR analysis also fit, because the unit runs on battery. As a result, the same unit can serve a maintenance round and a spectrum survey.
Not a network analyzer
This model measures spectrum only. If you must test cables, antennas or filters with S-parameters, choose a combination FieldFox instead. Teams also compare it with the Rohde & Schwarz FSH and FPH or the Anritsu Spectrum Master. Judge them on frequency range, real-time bandwidth, noise level, GPS and battery condition.
Rent, buy new or buy used
A rental of the Keysight N9938B spectrum analyzer covers a defined project, an urgent replacement or a production peak. So ownership makes more sense when crews use the unit every week. Lost in HCM can also quote new or used units, and each quote states the condition, configuration and accessories. Please request a quote from Lost in HCM with your frequency range, options, delivery site and dates. More spectrum and signal analyzers sit on the category page, and you can contact SMK Vietnam for help. The Keysight website has the official data.
Keysight N9938B spectrum analyzer questions
Does the N9938B measure S-parameters?
No. It is a spectrum-analyzer model. Select a combination FieldFox when you need vector network measurements.
Is real-time analysis part of every unit?
No. Gap-free real-time analysis is an option, so ask for it by name in the quote.
Can I buy one instead of renting?
Yes. Lost in HCM can quote new or used handheld analyzers, depending on configuration and availability.
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