STM32WL33xx Datasheet Multiprotocol LPWAN 32-bit M.
STMicroelectronics
STM32WL33CB - Multiprotocol LPWAN 32-bit MCU
STM32WL33xx Datasheet Multiprotocol LPWAN 32-bit MCU Arm® Cortex®-M0+ (G)2FSK, (G)4FSK, ASK, D-BPSK, up to 256KB flash, 32KB SRAM VFQFPN48 (6 x 6 mm).