Misreading Prevention Radio Wave Shield: Simple Experiment with UHF Band RFID Signal Blocking Material
The interruption of the radio waves was confirmed not by measuring devices or the generation of noise (interference), but by checking the recognition capability of UHF band RFID.
UHF band RFID has the advantage of being able to recognize multiple targets over long distances (typically a few to about 10 meters), but it struggles with recognizing specific areas or orientations, leading to cases of unintended tag recognition, commonly referred to as "misreads." The basic countermeasure is to limit the reach of the radio waves from the reader side through "radio wave shielding," or to eliminate the radio wave path to tags that cause unintended recognition. In this instance, we will release a video of a simple experiment conducted on materials used for "shielding radio waves." *For detailed content of the column, please refer to the related link. For more information, feel free to download the PDF or contact us directly.*
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*You can view the detailed content of the column through the related link. For more information, please download the PDF or feel free to contact us.*
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C-Rex is a manufacturer of seal and label printing and processing. We create products and services that have "a little difference," ranging from brand labels that serve as the face of products to security labels and IC tags that can be used on-site. Additionally, we design and manufacture various labeling machines and packaging equipment that help improve labor efficiency and productivity in response to labor shortages.