What is EAS? Why should we care?

According to statistics, the global retail industry loses more than $30 billion annually due to theft. The loss of merchandises and books has seriously damaged the interests of the retailer. So how to prevent shoplifting and protect commercial interest is attracting more and more attention from retailers.

The below information can help you learn more about EAS system. If you understand it and applicate our loss prevention solutions , things will move in a better direction.

What is EAS System?

EAS(Electronic Article Surveillance) is a technological method for preventing shoplifting. The first EAS system that was based on RF(Radio Frequency)technology was invented by Arthur Minasy in 1966. Until today, EAS is still the most popular and effective retail security system.

How does EAS work?

EAS security system usually consists of three components:

  • The Detection system(Security gate)
  • Label and Tag
  • Deactivator or Detacher

Detection System(Security gate)

At the exit of the store, the security gate can detect any passing active tags and issue an alert. Usually, there is a transmitter and receiver working together.

Label and Tag

The tags play a very important role in the entire EAS security system. Security labels or tags are attached to every item that needs to be protected. The tag will trigger an antenna alarm when it passes through the antenna detection area.

Deactivator or Detacher(Tag remover)

Detacher is a tool for staff to remove those reusable hard tags. Deactivator is used to deactivate soft labels. The type of the detacher depends on the type of tag.

Types of EAS system

RF system (frequency: 8.2MHz)

The RF transmitter continuously emits a signal with a frequency of 7.5~8.5 MHz. When an active tag is close to the transmitter, a resonant signal is generated here. The tag reflects this signal to the receiver. The receiver will issue an alarm after processing this signal.

About 50% of retailers in the global retail sector choose RF systems because of its good performance and affordable price

AM system (frequency: 58KHz)

AM transmitter emits electromagnetic waves at a frequency of 58 kHz. When a tag with a frequency of 58KHz enters the antenna detection area, cross resonance occurs. Then the tag will gain energy from the antenna. And the energy accumulated will be reflected receiver after four consecutive times. After AM receiver processes, it will generate a current signal and then issue an alarm.

The AM system has more stable performance and more aesthetics. As a result, about 35% of retailers around the world choose AM systems.

EM system (frequency: 1~2MHz)

The EM transmitter and receiver form a closed loop magnetic field. When the EM tag enters the detection area, it will magnetize and generate a weak current signal. After EM receiver processes the signal, it will generate a DC drive horn alarm.

The EM tag has the right size and low price. So EM system is still very popular in the library, bookstore, etc.

Why should we install EAS?

  1. Firstly, it can reduce theft.
  2. Secondly, the EAS security system itself is also a deterrent to thieves.
  3. In addition, it can reduce employees and can reduce many unnecessary expenses.
  4. Not only that, it can improve the store environment and give customers a better shopping experience.

Let us start now

Airsec offers very comprehensive EAS products at very competitive prices. And we provide exceptional value and service for our customers around the world. Today, Airsec is gradually combining EAS and RFID technology to make it more effective in preventing inventory losses and managing inventory.

We sincerely hope to be your preferred supplier and create benefits for you. And Airsec is always willing to provide free samples. Why not contact Airsec now if you need to ask for some samples or get a quote?


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