US Patent 7837123 Identification token and method of making identification token

In accordance with some embodiments, a method includes enabling operation of an RFID integrated circuit of a first card in an identification token using a first switch; and enabling operation of an RFID integrated circuit of a second card in an identification token using a second switch. In accordance with some embodiments, an identification token includes: a first card including an RFID integrated circuit; a second card including an RFID integrated circuit; a first switch to enable operation of the RFID integrated circuit of the first card; and a second switch to enable operation of the RFID integrated circuit of the second card.