Officer’s shield

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Possible Answers: BADGE.

Random information on the term “BADGE”:

An access badge is a credential used to gain entry to an area having automated access control entry points. Entry points may be doors, turnstiles, parking gates or other barriers.

Access badges use various technologies to identify the holder of the badge to an access control system. The most common technologies are magnetic stripe, proximity, barcode, smart cards and various biometric devices. The magnetic strip ID card was invented by Forrest Parry in 1960.

The access badge contains a number that is read by a card reader. This number is usually called facility code and programmed by the admin. The number is sent to an access control system, a computer system that makes access control decisions based on information about the credential. If the credential is included in an access control list, the access control system unlocks the controlled access point. The transaction is stored in the system for later retrieval; reports can be generated showing the date/time the card was used to enter the controlled access point.

BADGE on Wikipedia