<h1>RFID on Phone: The Future of Contactless Technology</h1> <h2>How RFID on Phone is Changing My Daily Routine</h2> <p>I remember the first time I used <strong>RFID on phone</strong> to enter my office building. It felt like magic—simply tapping my phone against the reader instead of fumbling for a keycard. This personal experience highlighted how seamlessly this technology integrates into everyday life. My natural aptitude for adopting new tech quickly made me an evangelist among my colleagues. In my view, the convenience and security consolidation it offers are unparalleled. For instance, I now use my phone's <strong>RFID on phone</strong> capability for access control, library book checkout, and even making small payments at supported cafes.</p> <h3>Technical Specifications of TIANJUN's RFID-Enabled Phone Module</h3> <p>For developers and integrators, understanding the hardware is key. TIANJUN provides advanced NFC (Near Field Communication, a subset of RFID) modules for smartphone integration. Here are the detailed technical parameters for a typical module, the <strong>TIANJUN-TJN21</strong>:</p> <h4>TIANJUN-TJN21 NFC/RFID Module Specifications</h4> <ul> <li><strong>Chipset:</strong> TIANJUN Proprietary IC, Code: TJ-ARC-5570</li> <li><strong>Communication Frequency:</strong> 13.56 MHz (ISO/IEC 14443 A/B, ISO/IEC 15693, FeliCa)</li> <li><strong>Data Transmission Rate:</strong> Up to 424 kbit/s</li> <li><strong>Operating Range:</strong> Typically 0 to 4 cm</li> <li><strong>Physical Dimensions:</strong> 5.0mm x 5.0mm x 0.7mm (L x W x H)</li> <li><strong>Interface:</strong> Integrated Secure Element (SE) with SWP (Single Wire Protocol) connection to baseband.</li> <li><strong>Power Consumption:</strong> Active Mode: 15mA (typical); Sleep Mode: < 5µA.</li> </ul> <p><em>Note: These technical parameters are for reference data. Specific requirements and exact specifications must be confirmed by contacting the backend administration.</em></p> <h3>Entertainment and Philanthropic Applications of RFID on Phone</h3> <p>The <strong>RFID on phone</strong> functionality isn't just for utilities. A fantastic entertainment case is its use in interactive museum