| 摘要 |
A mailable assembly includes a backing sheet and a proximity identification card adhered by its rear surface to the backing sheet. The card includes a plastic body, a radio frequency identification (RFID) chip embedded in the plastic body, and an antenna embedded in the plastic body and coupled to the RFID chip. The assembly also includes a protective label adhered to the front surface of the card. The label includes an adhesive layer by which the label is adhered to the card and at least one conductive layer for shielding the antenna from RF radiation.
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