Bookstores, cosmetics stores, jewelry stores: Typical application scenarios of Lifangmei Technology's EM electromagnetic anti-theft system

2026-05-08 - Leave me a message

The EM electromagnetic security system operates at a frequency of 1.042 KHz, with a detection range of less than 90 centimeters and is not affected by metallic materials. These characteristics make it an ideal supplementary solution beyond AM and RF technologies in specific retail scenarios.

Scene One: Bookstore

Why is it applicable?

The book itself contains no metal and thus does not interfere with EM signals.

The EM soft label is narrow and flat, allowing it to be easily inserted into the pages without hindering the reading process.

The exit passage of the bookstore is usually quite narrow (less than 1 meter), which meets the EM detection distance requirements.

Configuration suggestions:

EM detection antennas are installed on both sides of the exit.

High-value books (such as picture albums and hardcover books) should be affixed with EM soft labels.

The cashier counter is equipped with an EM demagnetizer.

Dongguan Lifangmei Electronic Technology Co., Ltd.

Scene 2: Cosmetics Store

Why is it applicable?

Cosmetics are usually packaged in glass or plastic bottles, and EM signals are not affected.

The EM soft label is narrow and flat, and can be adhered to the bottom of the bottle or the side of the packaging. It does not cover the brand logo.

Cosmetics have high unit prices and small volumes, making them a key category for anti-theft measures.

Configuration suggestions:

Install EM detection antennas at the entrances and exits (made of acrylic material, integrating with the store decoration)

High-value single items (serums, perfumes, sets) are affixed with EM soft labels.

The checkout counter is equipped with an EM demagnetizer, which can quickly demagnetize.


Scene 3: Jewelry Store

Why is it applicable?

The jewelry display cases are mostly made of metal, which may cause interference to AM/RF signals.

EM technology is not affected by metals and the detection is stable.

Jewelry is small in size but of high value, and thus requires concealed protection.

Configuration suggestions:

EM detection antennas are installed on both sides of the store door.

Hard tags with EM marking are provided when high-value jewelry is displayed.

Use the special key-picking tool to remove it when making the payment.


Scene Four: Pharmacy

Why is it applicable?

The products in the pharmacy are mostly in box or bottle form, and the EM soft labels are convenient for sticking.

Some pharmacies have metal shelves, and EM is not affected.

High-value drugs (imported drugs, health supplements) require special protection.

Configuration suggestions:

Install EM detection antennas at the entrances and exits.

Attach EM soft labels to high-value medicines

The checkout counter is equipped with an EM demagnetizer.


EM System Configuration List

According to the product catalogue of Lifangmei Technology, the EM system consists of the following components:

Component Explanation
Detection antenna Door-type detector, with EM-specific frequency
Soft label Strip-shaped can be inserted into pages or stuck onto goods
Demagnetizer Eliminates the signal of the soft label during checkout
Hard label (optional) Suitable for high-value recyclable items such as jewelry

Summary of selection

EM technology is not suitable for all stores, but it may be a better choice in the following situations:

The width of the store aisles is less than 1 meter.

The shelves or display cabinets contain a large amount of metal.

Extremely narrow soft labels are required to be hidden within the product.

The detection distance doesn't need to be too long (less than 90cm is sufficient)

For stores with wide aisles (over 1.5 meters) and controllable environmental interference, AM or RF technologies remain the more mainstream options.


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