rfid lf tag
December 19, 2025
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<h1>RFID LF Tag: A Comprehensive Guide to Low Frequency RFID Technology</h1>
<p>In my years working with asset tracking systems, I've found that <strong>RFID LF Tag</strong> technology offers a unique reliability in challenging environments where other frequencies fail. My personal experience deploying these tags in a high-moisture manufacturing plant was a revelation; while UHF tags struggled, the LF systems performed flawlessly for tool tracking. This isn't just luck—it speaks to the inherent physical advantages of the 125 kHz to 134 kHz frequency range.</p>
<h2>Understanding the Core Technology of RFID LF Tags</h2>
<p>The operation of an <strong>RFID LF Tag</strong> is based on inductive coupling. The reader's antenna generates a magnetic field that powers the passive tag's chip and enables data transmission. This method is less susceptible to interference from metals and liquids, a fact I've leveraged in numerous successful deployments. A colleague of mine has a particular talent for designing LF antenna systems that maximize read range in these difficult scenarios, often achieving results 20% better than standard setups.</p>
<h3>Technical Specifications and Detailed Parameters</h3>
<p>For engineers and integrators, precise specifications are crucial. Below are the detailed technical parameters for a standard passive <strong>RFID LF Tag</strong>. *Please note: These technical parameters are for reference data only. For exact specifications, you need to contact backend management.*</p>
<h4>Reference Technical Data Sheet</h4>
<ul>
<li><strong>Operating Frequency:</strong> 125 kHz ± 2% or 134.2 kHz (Depending on region and standard)</li>
<li><strong>Chip Code/Type:</strong> EM4100, EM4102, T5577, Hitag S/S256. (The EM4102 is a common 64-bit read-only device).</li>
<li><strong>Communication Protocol:</strong> FDX-B (Full Duplex) or SEQ (Sequential).</li>
<li><strong>Data Capacity:</strong> Typically 64 bits to 2048 bits, depending on the chip.</li>
<li><strong>Read Range:</strong> 10 cm to 1.2 meters, heavily dependent on antenna size and power.</li>
<li><strong>Detailed Dimensions (Sample Disc Tag):</strong> Diameter: 25.0 mm, Thickness: 2.0 mm, Weight: ~3.5 grams.
The Use of RFID for Human Identity Verification
<p>The operation of an <strong>RFID LF Tag</strong> is based on inductive coupling. The reader's antenna generates a magnetic field that powers the passive tag's chip and enables data transmission. This method is less susceptible to interference from metals and liquids, a fact I've leveraged in numerous successful deployments. A colleague of mine has a particular talent for designing LF antenna systems that maximize read range in these difficult scenarios, often achieving results 20% better than standard setups.</p>
<h3>Technical Specifications and Detailed Parameters</h3>
<p>For engineers and integrators, precise specifications are crucial. Below are the detailed technical parameters for a standard passive <strong>RFID LF Tag</strong>. *Please note: These technical parameters are for reference data only. For exact specifications, you need to contact backend management.*</p>
<h4>Reference Technical Data Sheet</h4>
<ul>
<li><strong>Operating Frequency:</strong> 125 kHz ± 2% or 134.2 kHz (Depending on region and standard)</li>
<li><strong>Chip Code/Type:</strong> EM4100, EM4102, T5577, Hitag S/S256. (The EM4102 is a common 64-bit read-only device).</li>
<li><strong>Communication Protocol:</strong> FDX-B (Full Duplex) or SEQ (Sequential).</li>
<li><strong>Data Capacity:</strong> Typically 64 bits to 2048 bits, depending on the chip.</li>
<li><strong>Read Range:</strong> 10 cm to 1.2 meters, heavily dependent on antenna size and power.</li>
<li><strong>Detailed Dimensions (Sample Disc Tag):</strong> Diameter: 25.0 mm, Thickness: 2.0 mm, Weight: ~3.5 grams.Phone: +86 19925232774
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