RFID2 unit is a radio frequency identification unit that operates at a frequency of 13.56MHz. It features a built-in WS1850S chip, which enables various functions related to RFID technology.By utilizing magnetic field induction technology, RFID2 unit enables non-contact and two-way information interaction. RFID2 unit supports multiple functions, including reading and writing card data, card recognition, recording information, and encoding RF cards. It facilitates tasks such as authorization and authentication processes for proximity cards.RFID 2 unit finds applications in various scenarios. It can be integrated into access control systems, allowing authorized personnel to gain entry to secure areas. It can also be used in check-in systems for events or facilities, enabling efficient registration and identification of attendees. In warehouse management, RFID 2 unit can be utilized for goods entry and storage, providing accurate tracking and inventory management. Additionally, it can assist in community vehicle entry and exit registration, ensuring secure and controlled access for residents or visitors.