host posted on May 05, 2008 19:21
The Shockingly True Story of RFID tags and Static Electricity!
Radio Frequency Identification, "RFID", is changing the world of automated identification. These devices will eventually track everything from airline luggage to the inventory at your local grocery store. The applications are unlimited, however, with all new opportunity comes the challenge of change.
RFID is a method of remotely storing and retrieving data, using devices called RFID tags. RFID devices contain antennae to enable them to receive and respond to radio-frequency queries from an RFID transceiver. There are active tags, which have an internal battery, and passive tags, which do not. The battery units send a stronger signal for a greater distance, but active tags are also larger and more expensive.
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