RFID cards are compact and durable smart identification devices designed in a card format for convenient authentication and data access. They use radio frequency identification technology to store and transmit data wirelessly, enabling quick and secure verification without direct contact. These cards are ideal for applications such as access control, employee identification, public transportation, and membership management systems. Due to their reliability, ease of use, and compatibility with common card readers, RFID cards are widely used in corporate offices, educational institutions, and secure facilities.