Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32wl3/STM32WL33/MR_SUBG/RX_AAF_HWTRIM_OUT#0x0
RX_AAF_HWTRIM_OUT register
AAF calibration information loaded by HW.
https://github.com/modm-io/cmsis-svd-stm32