RFID emulate chip

I know for personal experience that the RFID chip pn532 can’t emulate uid because it block the first bytes to 0x08, so impossible to emulate a full uid. The question is: the flipper now use a chip for the rfid or “simply” an antenna and all is done by the mcu? I have tried to search in the documentation but i didn’t find it, probably i didn’t see it

MCU with minimal circuitry.

The STM32WB55 microcontroller unit is used for the 125 kHz RFID functionality.

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Thanks :slight_smile: