pe42423 nrf52833 AOA AOD

 pe42423

https://devzone.nordicsemi.com/f/nordic-q-a/85732/antenna-switching-for-bluetooth-direction-finding

nwp_036.pdf

https://www.mouser.tw/datasheet/2/297/nRF52833_SoC_Product_Brief-1815256.pdf

https://infocenter.nordicsemi.com/index.jsp?topic=%2Fstruct_nrf52%2Fstruct%2Fnrf52833.html