FSW_AN_IMD_1E.pdf Application Note: Intermodulation Distortion Measurements on Modern Spectrum Analyzers.
36508g30_s05s08R16.3CH5.pdf 3GPPTS36.508V16.3.0(2019-12)CH5,CH6,CH7,CH8... TestenvironmentforRFtest;TestenvironmentforSignallingtest;TestenvironmentforRRMtests;NB-IoTtestenviron