executive brief

How a Credential is ‘Read’

HID Global

Understand How a Credential is ‘Read’

The purpose of this paper is to briefly explain the nature of the data on an HID card and the steps required to get that data to the controller and unlock a door. This information applies to both 125 kHz Prox cards and to 13.56 MHz iCLASS® cards.

Any card access system will consist of four basic elements which are explored on an individual basis in this white paper.

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