ELECTRONIC ARTICLE SURVEILLANCE

Three Elements of EAS

Detection Systems Deactivation Labels

-Detectors

-Controllers

-Deactivators

-Detachers

-Labels

-Hard Tag

Radio-Frequency Systems

RF Systems

Most widely used system.

Most affordable.

Due to sensitivity to EM Devices, RF type EAS may cause false alarm.

Usually 8.2 MHz.

TAGS

Soft Tags Hard Tags

Acousto-Magnetic Systems

AM Systems

Uses the 58 KHz frequency.

Has better Anti-Interference compared to RF.

Greater immunity to false alarms.

TAGS

58 KHz Label

Bar Code

58 KHz Labels

Electro Magnetic System

EM Type EAS

Best anti-interference.

Commonly used in libraries and book stores.

EM Type Tags are thin and long.

Tags can be recycled or reactivated for more than 1000 times.

TAGS

EM Soft Tags EM Tag

DEACTIVATION

DEACTIVATION

Detacher Deactivator

Magnetic

Detacher

Hand Detacher

AM Deactivator

RF Deactivator