YHY522R 13.56MHz Dual-Standard Contactless RFID Reader / Writer Module
The YHY522R is a versatile 13.56MHz high-frequency RFID reader/writer module supporting both ISO14443A (MIFARE family) and ISO15693 protocols. Engineered for low-power battery-operated systems and embedded hardware, it provides full read/modify/write capabilities for advanced smart cards—including MIFARE Classic, Ultralight, and DESFire—with selectable UART and SPI host interfaces for integration with industrial MCUs, Arduino, and Raspberry Pi platforms.
13.56 MHz HF
ISO14443A & ISO15693
UART / SPI Selectable
Full Read & Program/Write
Encrypted Data Transfer
Low-Power Portable Ready
| Product Model | YHY522R |
| Device Classification | 13.56 MHz Contactless RFID Reader / Writer Module |
| Supported Tag Architectures | MIFARE Classic (1K/4K), MIFARE Ultralight, MIFARE DESFire, ISO15693 vicinage tags, and ISO14443A-compliant transponders |
| Hardware Read/Write Functions | Bi-directional operation: contact-free read interrogation and on-card sector/block programming and memory modification |
| Host Communication Interfaces | Universal Asynchronous Receiver/Transmitter (UART) and Serial Peripheral Interface (SPI) for seamless MCU/SoC integration |
| Platform Ecosystem Compatibility | Directly compatible with embedded ARM/STM32 systems, Arduino, Raspberry Pi, and industrial microcontroller architectures |
| Security & Encryption | Supports multi-level hardware encryption schemes to safeguard data exchanges against unauthorized interception |
| Target Applications | Door entry & building access control, contactless electronic payment terminals, automated warehouse inventory management, and industrial tool/asset tracking |
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