Radio Frequency Identification (RFID) is a technology that uses radio waves to identify and track objects. It consists of two main components: an RFID tag, which contains a microchip and an antenna, and an RFID reader, which emits radio waves to communicate with the tag. When the tag comes within range of the reader, it transmits its stored information, allowing for automatic identification and data collection. RFID is commonly used in various industries, including retail, logistics, and healthcare. For example, inventory management systems utilize RFID to monitor stock levels, while animal tracking employs RFID tags to keep tabs on livestock. This technology enhances efficiency and accuracy in tracking and managing items.