Keysight handheld spectrum analyzers include Fieldfox handheld RF and microwave analyzer models.
N9938B is a portable battery-operated microwave spectrum analyzer; configurations also include full band tracking generator and preamplifier, interference analyzer, time gating, VSWR and reflection measurements, and built-in power meter.
| Maximum analysis bandwidth | 120 MHz |
| Maximum frequency | 26.5 GHz |
| VNA capabilities | No |
| Maximum IQ streaming bandwidth | 1 MHz |
Identify interference, verify signal coverage, optimize performance, and use gapless IQ data for spectrum monitoring, demodulation, and 5G NR quality metrics.
Perform in-depth troubleshooting and maintenance for RF cables and antennas, identifying faults with time-domain reflectometry and measuring S-parameters.
Make accurate, user-definable channel power measurements with the built-in power meter. Pair with an external USB peak power sensor to efficiently characterize pulsed RF signals.
Generate analog modulations and user-defined pulse sequences with the built-in pulse signal generator.
| VNA capabilities | Yes – optional, No |
| Maximum frequency | 10 GHz to 54 GHz |
| Maximum analysis bandwidth | 40 MHz to 120 MHz |
| Maximum IQ streaming bandwidth | 1 MHz to 120 MHz |
N9938B is a portable battery-operated microwave spectrum analyzer; configurations also include full band tracking generator and preamplifier, interference analyzer, time gating, VSWR and reflection measurements, and built-in power meter.
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). |
AC/DC adapter
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