This document discusses using RFID (radio frequency identification) technology for smart cities. It begins with an introduction to RFID and how it can be used with IoT (Internet of Things) to identify and track objects using radio waves. It then discusses the key technologies that enable RFID functioning, including RFID readers, tags, and servers. It also covers the different types of RFID and their applications in areas like transportation, asset management, logistics, and access control. While RFID provides benefits over barcodes like faster scanning of multiple items, it also faces challenges like higher tag costs and potential signal interference from materials. Overall, the document argues that RFID can help automate tracking and reduce problems for people in a