Hi All,
These accessories, including adapters and daughter boards, add specific functions to compatible STM32 boards (Nucleo, Discovery, etc.), extending their capabilities with options such as radio connectivity, serial memories, vision cameras, and video displays.
B-WBA5M-WPAN | Product - STMicroelectronics
STM32WBA5M connectivity expansion board

B-M2MEM-PACK1 | Product - STMicroelectronics
M.2 serial memory pack for Nucleo-144 boards

B-CAMS-IMX | Product - STMicroelectronics
Camera module bundle for STM32 boards

What ever you task or interest, we are here to help: Accessories for STM32 boards - STMicroelectronics
Thanks Em.