A man/machine dialogue system including: an RFID read/write station including a data processor; an antenna that is magnetically connected or coupled with the read/write station; and a man/machine dialogue member including a man/machine dialogue interface and an electronic tag. The electronic tag includes an internal memory and a processor and is positioned so as to be supplied with power, via magnetic coupling, by the read/write station and so as to be in contactless communication, via magnetic coupling, with the read/write station.