RFID in Japan

Seiko Precision, Inc. is going to introduce "hybrid RFID tags" (SecureTag WT-300). It's based on the idea of combining an active RFID tag and a passive RFID tag in a single package (and thereby providing dual communication ranges).

The active-tag component provides the communication range of about 50cm, and can be used to track people's whereabouts in large spaces. The passive-tag component provides a shorter communication range, however, its identification/authentication mechanism is more secure.

It may sound similar to NICT's hybrid radio frequency identification system, which they presented at Mobile Response 2007?Workshop last year.

Seiko Precision's Press Release in Japanese

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