That will not work out. Even ignoring the elephant in the room that is powering the display, a smartphone communicates wirelessly over hundreds of meters.<p>You will never get that much power from RFID readers in any practical setup (if you&#x27;re McGyver, a setup with thousands of readers, if not way more, and a few square meters of antenna might &#x27;work&#x27;, for a loose definition of the word)