These days, keeping places safe doesn't just mean using locks and keys. It also means using better, more efficient technologies. More and more, entry control systems rely on radio frequency identification (RFID). Elucidating their nature and highlighting the multiple advantages connected with use of RFID technology for access control purposes, this article presents a complete examination of RFID access control systems. Comprehending RFID Access Control Systems An RFID access control system fundamentally uses radio waves to establish communication between a tag and a reader. The tags, which include a distinct identifier, are affixed to objects or individuals, and the reader scans and verifies these tags in order to authorize or prohibit access. The smooth integration of many components facilitates the establishment of a keyless, safe, and automated setting, hence augmenting convenience and security measures. There are two primary classifications for RFID systems: passi...