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SK-Electronics Unveils Ant-Size RFID Tag

Japanese technology firm SK-Electronics has developed a passive ultrahigh-frequency (UHF) RFID tag that is less than 0.5 millimeters by 0.5 millimeters (0.02 inch by 0.02 inch) in size—small enough to fit on the back on an ant. For SK-Electronics, the fact that the tag can effectively transmit data (albeit with a maximum read range of about 2 millimeters, much shorter than the typical range of larger tags) means that the new Fine Tag, as it's called, could be applied to small products moving through the supply chain, for example, or requiring anti-counterfeit verification at a store.

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