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How Do Key Cards Work? [Solved]

A keycard is a security token that grants you access through electrically-powered doors. These systems require a keycard reader (installed on the door) and you gain access by either tapping your card on the reader (proximity reader), swiping it (swipe reader), or inserting it (insert reader).

Proximity Cards Explained - How Prox Cards Work

In this video we explain how proximity

What is a Key Card System?

What is a

Model 3 Guide | Key Card

Key Card