The vector signal explorer software extends the R&S®FPL1000 spectrum analyzer to a signal analyzer. The R&S®VSE-K106 option analyzes NB-IoT uplink and downlink signals in all three NB-IoT operation modes: in-band, guard band and standalone.
![R&S®FPL1000 Spectrum analyzer, Front Low R&S®FPL1000 Spectrum analyzer, Front Low](https://cdn.rohde-schwarz.com/image/products/test-and-measurement/analyzers/signal-and-spectrum-analyzers/benchtop-analyzers/fpl1000/fpl1000-spectrum-analyzer-front-low-rohde-schwarz_200_100775_120_68_3.jpg)
R&S®FPL1000 Spectrum analyzer
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