YRP Ubiquitous Networking Laboratory has developed the world's smallest RFID tag with integrated batteries (Photo: Nikkei.Net).
The cube sized RFID tag measures 15x15x15mm. The battery can last 2 years.
YRP Ubiquitous Networking Laboratory plans to release a production version of the RFID tag within the year.
More details on Nikkei.Net (Subscription). See also YRP UNL site (Japanese).
Japanese YRP UNL laboratory also created the RFID Wristwatch.
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