Definitions for "Proximity Card"
a card that can be "read" without mechanical contact, at a distance of a few inches or feet away
Proximity cards allow access and tracking utilizing contactless technology (usually by communicating through a built-in antenna).
Cards based on proximity technology are read when they come within range of the reader's antenna. The read range can vary from less than a centimeter to more than a meter, depending on the type.
Keywords:  emr, login, alternative, mechanism
an alternative mechanism to login to an EMR