Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/NXP Semiconductors/QN908XC/AGC/CTRL2#0x0
AGC control register 2
PPF peak detect threshold select
LNA medium gain peak detect threshold selectAMP=(400-25* LNA_MG_PK)mv
LNA high gain peak detect threshold selectAMP=(100-8* LNA_HG_PK)mv
https://github.com/cmsis-svd/cmsis-svd-data