Electromagnetic (EM) Electronic Article Surveillance Systems

Yes. TAGIT 3D EM sysaYes. TAGIT 3D EM systems can detect EM labels concealed inside aluminium foil and booster bags, while also delivering reliable detection performance on metal, curved, and small-format products.tems detect EM labels even through aluminium foil and booster bags, and perform reliably on metal, curved, and small-format products.

Yes. TAGIT EM labels are compatible with most standard electromagnetic (EM) EAS systems, including mixed and legacy installations.
Exception: Compatibility with certain Meto systems cannot be guaranteed when using standard EM labels.

For environments that combine Meto and non-Meto infrastructures, TAGIT offers dual-technology EM labels. These labels support both detection formats and can be applied either during manufacturing or at the distribution center (DC), ensuring reliable operation across different EM system platforms.

Yes. TAGIT 3D EM systems can detect EM labels applied to metal and metal-containing objects, where conventional electromagnetic systems may experience reduced performance.

Detection performance can be affected if the metal object is strongly magnetized, as this may interfere with the electromagnetic response of the label and reduce detection reliability.

For most retail, library, and industrial applications, TAGIT's patented 3D EM technology provides reliable detection on a wide range of metal-containing products and packaging.

The optimal EM label depends primarily on the size, shape, material, and packaging of the product.

Larger products typically benefit from longer EM labels, which provide a stronger signal and increased detection range.

Smaller products often require compact, high-performance labels such as TAGIT Twin Labels or Power Labels, which deliver reliable detection while fitting into limited application areas.

In general, longer labels offer increased detection performance, while high-performance label formats are designed to improve results on challenging surfaces, complex packaging, metal-containing products, or space-constrained applications.

TAGIT offers more than 300 EM label formats and can recommend the most suitable solution based on your product and security requirements.
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TAGIT 3D EM systems enable protection of a wider range of high-shrink and difficult-to-protect products compared to many alternative technologies, helping retailers reduce overall shrinkage and improve return on investment.

Actual ROI depends on factors such as store size, product mix, theft levels, and existing security coverage. In most cases, ROI is driven by measurable reductions in theft-related losses and improved protection of high-value merchandise.

Request our ROI Calculator to estimate potential savings for your store or facility, or contact us for a tailored assessment.

Only items with strong magnetic properties may interfere with electromagnetic detection and therefore cannot always be protected reliably using EM labels.

Apart from this limitation, TAGIT 3D EM technology is highly versatile and compatible with a broad range of retail, library, document security, and institutional applications. It can be used to protect products and assets that are often difficult to secure with other EAS technologies.

Environmental noise interference in electromagnetic (EM) EAS systems is caused by nearby equipment or infrastructure that generates or distorts electromagnetic fields, potentially affecting detection stability and signal performance.
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Common sources include:
- Air conditioning systems and industrial electrical equipment
- Computer monitors, servers, and IT infrastructure
- High-frequency or specialized lighting systems
- Other EM EAS systems installed nearby (including certain legacy EM installations)

This type of interference is a known characteristic of all electromagnetic security systems and is not specific to TAGIT solutions.

TAGIT's patented 3D EM technology is designed to maintain stable detection performance in environments with typical electromagnetic noise, supporting reliable operation in retail, library, government, and institutional applications.

If environmental noise cannot be reduced physically, detection performance can be optimized through system configuration and tuning methods:

Master–Master configurations to enhance system robustness in demanding installations
‍Sensor-based tuning and calibration for fine adjustment of detection sensitivity and field stability

These approaches help maintain reliable EM EAS detection performance even in environments with persistent electromagnetic interference or complex installation conditions.

If environmental noise cannot be reduced physically, detection performance can often be improved through system configuration, calibration, and advanced tuning methods.

Common approaches include:
- Master–Master configurations to increase system robustness in demanding installation environments
- Sensor-based tuning and calibration to optimize detection sensitivity, field stability, and overall system performance

These methods help maintain reliable EM EAS detection even in environments with persistent electromagnetic interference, nearby electrical equipment, or complex installation conditions.

TAGIT's patented 3D EM technology is specifically designed to support stable operation in challenging retail, library, and institutional environments.

Detection range and aisle width can be further improved through the right combination of label selection, system configuration, and system tuning.