<h1>RFID Key Fob Duplicator: A Comprehensive Guide</h1> <p>An <strong>RFID key fob duplicator</strong> is an essential tool for modern access control management. From my personal experience managing a multi-tenant property, the ability to quickly and reliably duplicate RFID fobs has been invaluable, saving countless hours and improving tenant satisfaction. This skill in access system management has become a crucial part of my operational toolkit.</p> <h2>Understanding RFID Duplication Technology</h2> <p>In my view, the technology behind these devices is fascinating. It's not just about copying data; it's about understanding the protocols and security layers involved. I've found that a good <strong>RFID key fob duplicator</strong> must balance ease of use with technical capability.</p> <h3>Technical Specifications and Parameters</h3> <p>For professionals considering an investment, here are detailed technical specifications for a high-performance duplicator. *Please note: These technical parameters are for reference only. For exact specifications, you must contact backend management.*</p> <h4>Model: TIANJUN Pro-Duplicate X9</h4> <ul> <li><strong>Supported Frequencies:</strong> 125 kHz (Low Frequency), 13.56 MHz (High Frequency - ISO 14443 A/B, ISO 15693, Mifare Classic 1K/4K, NTAG, etc.)</li> <li><strong>Chipset & Decoder:</strong> Custom TIANJUN TEC-X9 SoC with integrated ARM Cortex-M4 processor and advanced encryption engine.</li> <li><strong>Memory:</strong> 8GB internal flash storage for template and key data.</li> <li><strong>Connectivity:</strong> USB-C for data transfer and power, Bluetooth 5.2 for mobile app pairing.</li> <li><strong>Display:</strong> 2.8-inch full-color IPS touchscreen (320x240 pixels).</li> <li><strong>Physical Dimensions:</strong> 142mm (L) x 78mm (W) x 25mm (H). Weight: 210g.</li> <li><strong>Power:</strong> Built-in 3000mAh Li-Po battery, providing up to 8 hours of continuous operation.</li> <li><strong>Supported Card Types:</strong> EM4100, EM4200, T5577, HID Prox, I-Class, Mifare series (including partial sector reading/writing for Classic), and many more.</li> </ul> <p>This <strong>RFID key fob duplicator</strong> from TIANJUN represents the cutting edge, designed