What is RFID and how does it work?

RFID (Radio Frequency Identification) technology allows for the automatic identification and tracking of objects using radio waves. Unlike barcodes, RFID does not require line of sight, can be read at a distance, and in motion, making it a key tool in logistics, asset management, and inventory processes across multiple sectors.

How does RFID work?

The RFID system consists of three main components:

• RFID Tag: Contains a microchip with unique data.

• RFID Reader: Emits radio signals to activate the tag and capture the information.

• Antenna: Facilitates communication between the reader and the tag.

When the reader sends a signal, the tag responds by transmitting its data to the reader, which sends it to the management system (RFID software) for real-time processing.

A Brief History of RFID

The origins of RFID date back to World War II, used to identify allied aircraft. In the 1970s, it was adopted in the agricultural sector for livestock tracking, and later in toll systems. Today, it is a mature technology with cross-industry applications in retail, healthcare, food, security, and logistics.

Current RFID Applications

RFID has become a strategic ally in many industries. Some of its most common applications include:

1. Logistics and Inventory

• Real-time control and traceability.

• Reduction of human errors.

• Operational time savings.

2. Retail

• Automated stock control.

• Loss prevention.

• Improved shopping experience.

3. Healthcare

• Patient and medical equipment management.

• Reduction of medication errors.

• Enhanced hospital traceability security.

4. Food and Cold Chain

• Temperature control and traceability.

• Compliance with regulations.

• Quick detection of spoiled products.

5. Security and Access Control

• Identification of people and vehicles.

• Control of building and event entrances/exits.

• Integration with biometric systems.

Benefits of RFID Over Other Technologies

• Fast and simultaneous reading of multiple objects.

• Greater precision and automation.

• Long-term cost savings.

• Real-time data for smarter decision-making.

• Reduction of physical contact and improvement in operational hygiene.

Why RFID is the Future?

With the digitization of industrial processes, RFID is increasingly integrated into IoT solutions, Artificial Intelligence, and Big Data, enabling automated decision-making and resource optimization. Its use will continue to grow as companies seek efficiency, traceability, and security in their operations.

Kyubi System and RFID

At Kyubi System, we design custom RFID solutions for demanding industries. From RFID cabins, tunnels, software, tags, and readers, to integration with business systems. We support each client in their digital transformation with cutting-edge technology and expert support.

Want to know how to apply RFID in your business?
Contact us and find out how we can help optimize your processes with RFID.

Frequently Asked Questions about RFID (FAQ)

• Does RFID replace barcodes?
  Yes, in many applications, RFID offers greater speed and accuracy than traditional barcodes.

• How far can an RFID tag be read?
  It depends on the type of tag and reader, but it can range from a few centimeters to several meters.

• Is RFID usage safe?
  Yes. With access control and encryption, RFID is a secure technology.