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Posted by freeamfva on December 3, 2024 at 10:31pm 0 Comments 0 Likes
RFID (Radio Frequency Identification) technology varies in range depending on the type of RFID system used, the frequency, and the environment. Generally, RFID tag reader from a few centimeters to several meters away. Here's a breakdown of how close you typically need to be to read different types of RFID tags:
Low-Frequency (LF) RFID Tags (125 - 134 kHz)
LF RFID tags, commonly used for short-range applications like pet identification or access control, usually have a read range of just a few centimeters (up to 10 cm or 4 inches). Due to their lower frequency, they can work well even near metals and liquids but require close proximity.
High-Frequency (HF) RFID Tags (13.56 MHz)
HF RFID tags, like those found in contactless payment cards and library books, have a read range of around 10 cm to 1 meter (up to about 3 feet). This frequency works well in many situations but still requires relative proximity.
Ultra-High-Frequency (UHF) RFID Tags (860 - 960 MHz)
UHF RFID tags are designed for longer-range applications, such as asset tracking and supply chain management. Depending on the power and environment, UHF tags can be read from several meters away, typically between 1 to 12 meters (about 3 to 40 feet) with standard readers. UHF tags are ideal when you need to track items at a distance, like scanning multiple items in a warehouse or on a conveyor.
Active RFID Tags
Unlike passive tags that rely on the reader's energy, active RFID tags have their own power source, usually a small battery. This allows them to be read from even greater distances, ranging from 30 meters (about 100 feet) to several hundred meters. Active RFID is ideal for larger spaces, like yards or large warehouses.
Factors Influencing RFID Range:
Several factors can impact RFID read range, including tag and reader quality, environmental factors, interference from other signals, and physical barriers like metal and liquids.
Why Range Matters
Knowing the required proximity for RFID tags is essential in applications like logistics, asset tracking, and retail. Intellistride, for example, provides tailored RFID solutions that optimize for range and reliability, ensuring your assets are always within reach, whether you're managing inventory or tracking shipments.
Bottom Line
If you're working with or considering RFID, Intellistride can help you choose the best solution based on your specific needs—whether close-range tracking or high-range applications for broader asset visibility.
Visit:- https://www.intellistride.com/iot-hardware/rfid-readers/
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