Is it possible Rf communication among 2 hardware ?

oziesin · ‎2021-12-23

I have 2 device that have on independent st25dv NFC chips and also st32 mcu.

I wonder that 2 devices can communicate each other without any physical connection ?

For example i want one device is act like mobile phone. is it possible ?

Olivier L · ‎2021-12-23

Hi,

That would be nice but unfortunately that is not feasible. An NFC Tag can not talk to another NFC Tag because none is generating an RF Field. It is mandatory to have an NFC Reader.

A side comment: An NFC Reader can be set in Card Emulation Mode so it can emulate a tag. By this way, an NFC Reader can communicate with another NFC Reader. One being set in Card Emulation mode.

A mobile phone is an NFC Reader and it can be set into card emulation mode.

Regards

Olivier

View solution in original post

Olivier L · ‎2021-12-23

Hi,

That would be nice but unfortunately that is not feasible. An NFC Tag can not talk to another NFC Tag because none is generating an RF Field. It is mandatory to have an NFC Reader.

A side comment: An NFC Reader can be set in Card Emulation Mode so it can emulate a tag. By this way, an NFC Reader can communicate with another NFC Reader. One being set in Card Emulation mode.

A mobile phone is an NFC Reader and it can be set into card emulation mode.

Regards

Olivier

oziesin · ‎2021-12-23

Thank you, Olivier I just wanted to ask for be sure.