nRF52840 Thread communication performance test

I would like to perform a test to confirm the receiving characteristics of the nRF52840.
When I looked at the RF Performance Test Guidelines White Paper, I believe it said, "How to make this sensitivity measurement test firmware on a simple MCU is described for each nRF device in the nRF performance test instructions." However, when I checked the nRF52 series documentation, I was unable to find any materials describing how to test the performance of the MCU.
If there are any materials that describe how to test the performance of the nRF52 series, I would appreciate it if you could let me know.

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