Passive NFC tags are lightweight and energy-efficient near-field communication devices designed to operate without an internal power source. They use NFC technology powered by the electromagnetic field of a nearby reader or smartphone to store and transmit data wirelessly over short distances, enabling quick interaction without direct contact. These tags are ideal for applications such as smart labeling, product authentication, and simple automation tasks like triggering digital content or actions. Due to their low cost, long lifespan, and easy deployment, passive NFC tags are widely used in retail, marketing, smart packaging, and consumer engagement systems.
