Part Number	Manufacturer / Brand	Brife Description
SPBT2532C2.AT	STMicroelectronics	RF TXRX MODULE BLUETOOTH
SPBT2532C2.AT2	STMicroelectronics	RF TXRX MODULE BLUETOOTH
SPBT2632C1A	STMicroelectronics	SPBT2632C1A STM IC ORIGINAL
SPBT2632C1A.AT2	STMicroelectronics	RF TXRX MOD BLUETOOTH CHIP ANT
SPBT2632C2A.AT2	STMicroelectronics	RF TXRX MOD BLUETOOTH CHIP ANT