?Access control refers to the process of granting access to certain entities or persons and refusing access to others. Access used to be primarily physical and was controlled via gates, locks, and ...

The most common access card worldwide is a proximity card. Proximity cards contain a computer chip that receives radio frequency energy from the reader, and its processor transmits the card number to ...

Millions of proximity (Prox) access control cards are in use today in myriad applications. Most commonly, proximity cards are used for access to apartment complexes, gated communities, parking areas ...