<h1>Power Over RFID: Revolutionizing Wireless Power and Data Transmission</h1> <p><strong>Power over RFID</strong> represents a significant leap in wireless technology, merging energy harvesting with robust data communication. From my experience in IoT system design, the ability to power a device solely through RF signals has transformed how we approach low-power sensor networks. I've personally worked on projects where passive RFID tags, powered entirely by the reader's signal, eliminated the need for battery replacement in hard-to-reach environmental monitors. This skill in implementing batteryless solutions has become a cornerstone of my design philosophy.</p> <h2>How Power Over RFID Systems Function</h2> <p>In my view, the elegance of <strong>Power over RFID</strong> lies in its simplicity. The reader emits a radio frequency signal. The tag's antenna captures this energy, rectifies it to DC, and uses it to power a small microchip. This chip then modulates the reflected signal, sending data back to the reader. It's a beautifully self-contained system.</p> <h3>Technical Specifications and Product Parameters</h3> <p>For engineers and developers, here are detailed technical indicators for a typical <strong>Power over RFID</strong> system module. These specifications are crucial for integration.</p> <h4>Reader Module (Example: TIANJUN TRF-7960A-PoR Series)</h4> <ul> <li><strong>Operating Frequency:</strong> 860 MHz - 960 MHz (UHF), configurable.</li> <li><strong>RF Power Output:</strong> Up to 30 dBm (1 Watt) EIRP, compliant with regional regulations.</li> <li><strong>Communication Protocol:</strong> EPCglobal UHF Class 1 Gen 2 / ISO 18000-6C.</li> <li><strong>Power Supply for Reader:</strong> 12 VDC, 2A.</li> <li><strong>Interface:</strong> USB 3.0, RS-232, GPIO.</li> <li><strong>Chipset:</strong> Integrated RF front-end with baseband processor, code: TJRF7960A.</li> </ul> <h4>Passive Tag Specifications</h4> <ul> <li><strong>Chip:</strong> NXP UCODE 8 / Impinj Monza R6 (or equivalent TIANJUN inlay chip TJ-UC8).</li> <li><strong>Activation Power (Minimum):</strong> -15 dBm (approx. 30 µW).</li> <li><strong>Memory:</strong> 96-bit to 512-bit EPC, 64-bit TID, user memory up to 512 bits.</li> <li><strong>Read Range:</strong> Up to 10 meters with optimal reader power and antenna.</li> <li><strong>Physical Dimensions (Sample Inlay):</strong>