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NB-IoT Multi-Evaluation Measurement
R&S
®
CMW-KM300/-KS300
217
User Manual 1178.5689.02 ─ 06
Figure 3-9: Spectrum Emission Mask view
The measurement covers a symmetric frequency range of 4 MHz around the carrier
center frequency.
According to 3GPP TS 36.521, the measurement must be carried out at maximum out-
put power of the UE.
See also
Chapter 3.3.6.6, "Spectrum Emission Mask"
Margin results
To show/hide the margin results, use the softkey - hotkey combination "Display" - "Mar-
gin On | Off".
Figure 3-10: Emission mask, margin results
A margin indicates the vertical distance between the spectrum emission mask limit line
and a trace. For each emission mask area, the margin represents the "worst" value,
i.e. the minimum determined for the frequencies of the area:
GUI Reference
深圳德标仪器
135-1095-0799