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Spectrum analyzers measure the magnitude of an input signal versus frequency within the full frequency range of the instrument. The primary use is to measure the power of the spectrum of known and unknown signals. The input signal that most common spectrum analyzers measure is electrical; however, spectral compositions of other signals, such as acoustic pressure waves and optical light waves, can be considered through the use of an appropriate transducer. Spectrum analyzers for other types of signals also exist, such as optical spectrum analyzers which use direct optical techniques such as a monochromator to make measurements.

Somerset provides a wide range of field portable spectrum analyzers from leading manufacturers such as Anritsu.


Cable & Antenna Spectrum Analyzer
Site Master

2 MHz to 4 GHz

2 MHz to 6 GHz

The Site Master S361E/S362E is a 4 or 6 GHz cable and antenna analyzer that can be configured to include either a 4 or 6 GHz spectrum analyzer, 2-port transmission measurement with built-in 32V bias tee, an interference analyzer with spectrogram displays, a channel scanner, power meter, high accuracy power meter, and GPS receiver for time and location stamping.

Microwave Cable & Antenna, Spectrum Analyzer
Site Master

1 MHz to 8/14/20/30/40 GHz

Field Master Pro Hi-performance RF Spectrum Analyzer

9 KHz to 9/14/20/26.5/32.5/43.5/54 GHz

The S820E delivers bench-top microwave performance in a compact handheld package. With 110 dB of dynamic range up to 40 GHz, the S820E even surpasses the performance of older generation bench-top VNA’s. 

The performance of the Field Master Pro MS2090A exceeds expectations for what can be achieved in a
portable field instrument. 54 GHz frequency coverage coupled with 110 MHz measurement bandwidth
and –164 dBm DANL delivers accuracy previously reserved for only benchtop instruments. Now, you can
maintain complete confidence in your measurements wherever you are.


In addition to the core products that we carry, we can also offer accessories such as phase-matched cables, adapters, calibration kits, antennas and more with your rentals!