RFID smart cards have deeply integrated into daily life, with their core value lying in contactless rapid identification and data interaction. They are widely used in scenarios such as identity authentication, payment and settlement, intelligent management, and IoT connectivity. Below is a systematic overview of their current mainstream application areas:
1. Access Control and Identity Management
RFID smart cards serve as electronic identification documents, playing a pivotal role in security control scenarios
Building and Community Access Control: Permissions are verified via card swiping or induction, allowing only authorized personnel to enter and exit, thereby enhancing security.
Campus Identity Integration: Combines functions such as student ID cards, dormitory access control, and library borrowing, supports dynamic permission allocation, and some universities incorporate facial recognition to prevent proxy borrowing.
Corporate Attendance and Visitor Management: Automatically records employee entry and exit times, with temporary permissions and validity periods set for visitor cards, simplifying management processes.
II. Intelligent Transportation and Travel
Urban public transportation systems widely employ RFID technology to achieve efficient operation
Bus and subway ticketing: Passengers can complete the payment by swiping their cards, supporting multi-city usage (e.g., city transit cards), thereby improving travel efficiency.
Parking Management: Residential complexes or shopping mall parking lots utilize RFID to identify vehicle identities, enabling automatic barrier lifting and billing.
Railway freight tracking: Real-time monitoring of train and container locations in the logistics process to optimize scheduling and safety management.
III. Campus and Educational Administration
Universities utilize RFID smart cards to build a "seamless" smart campus ecosystem:
Automated Teaching Attendance: Deploy readers in classrooms for instant sign-in when students enter, with data directly linked to the academic management system.
Consumption and Resource Control: Card payments are supported in scenarios such as cafeterias, supermarkets, and laundries; bathrooms use card-insertion for power supply and charge based on usage duration to reduce waste.
Equipment Asset Management: High-value experimental instruments are tagged with RFID for borrowing registration and location tracking.
IV. Retail and Membership Services
RFID smart cards enhance the consumer experience and operational efficiency in commercial scenarios:
Membership Points and Personalized Services: Track consumption behavior, automatically accumulate points, and push discount offers based on preferences.
RFID-enabled automatic checkout in unmanned supermarkets: Products are embedded with RFID tags, allowing the system to automatically identify purchased items and deduct payments when customers leave.
Electronic Tickets and Smart Lockers: Scenic spots and venues use RFID cards as electronic tickets, with smart lockers accessible via these cards, supporting multiple uses.
V. Financial and Payment Functions
High-frequency RFID technology drives the intelligent upgrade of traditional cards:
Bank card contactless payment: Most newly issued bank cards in China are equipped with RFID (NFC) functionality, enabling "tap-to-pay" operations.
R1: "Alipay" must be translated as Alipay.  
The original text: Electronic wallet linkage: Campus cards or city cards can be linked to Alipay or WeChat for recharging, enabling integrated online and offline payments.  

Translation:.
VI. Book and Asset Management
Smart Library Borrowing and Returning: Books are tagged with RFID labels, supporting batch borrowing, self-service returns, and theft detection. Some institutions are transitioning to UHF solutions to reduce costs.
Asset Full Life Cycle Tracking: Enterprise fixed assets, medical equipment, etc., achieve precise positioning and maintenance alerts via RFID.
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