Description of RFID 13.56MHZ Reader Writer Module
Quick Overview
The RFID 13.56MHz Reader Writer Module enables wireless identification and data exchange between tags and reader devices. This module specifically operates at a frequency of 13.56 MHz and is widely used for access control, asset tracking, and secure data transfer applications.
How It Works
The module generates an electromagnetic field at 13.56 MHz. When an RFID tag comes into proximity, it gets powered by this electromagnetic field. The tag then transmits its ID or stored data back to the reader. The reader captures this data, which can be read or further processed by a connected microcontroller or computer.
Technical Specification
- Operating Voltage: 3.3V to 5V DC
- Frequency: 13.56 MHz
- Communication Interface: SPI, UART, or I2C (varies by model)
- Reading Range: Up to 10 cm (depends on the tag and environment)
- Supported Card Types: ISO/IEC 14443 A & B, Mifare, FeliCa, NFC
Key Features
- Multi-Protocol Support: Compatible with a wide range of RFID standards.
- Easy Integration: Common interfaces like SPI, UART, and I2C simplify connection to microcontrollers.
- Energy-Efficient: Low power consumption suitable for battery-operated devices.
- Secure Data Handling: Built-in encryption and secure key storage (in some models).
Application
- Access control systems for secure entry to buildings or restricted areas
- Inventory tracking in retail and manufacturing
- Contactless payment systems
- Smart cards for public transport
- Educational STEM kits that teach about wireless communication and security
Summary
An RFID 13.56MHz Reader-Writer Module is a versatile device used for reading and writing data to RFID (Radio-Frequency Identification) tags operating at the 13.56MHz frequency. It communicates with RFID tags via electromagnetic fields, allowing data to be exchanged between the module and the tags. These modules are widely used in access control systems, inventory management, and identification applications for efficient data capture and tracking purposes.
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