The radio frequency switching system comprises an input/output terminal connectable to a radio frequency antenna, a receiving terminal, a transmission terminal, a group of diodes operatively interposed between the input/output terminal, the receiving terminal and the transmission terminal, at least a selection device between a receiving configuration, in which the input/output terminal is operatively connected to the receiving terminal, and a transmission configuration, wherein the input/output terminal is operatively connected to the transmission terminal, and a DC/DC voltage converter operatively connected to the group of diodes and able to generate a predetermined output voltage.