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hobgoblin
hobgoblin (Unverified) Posted Dec 19th 2005 1:36AM
Neutral

people seems to think that rfid chips are like a mobile phone or similar radio transmitter. not so, they only send out a return signal when a special signal is beamed at them, using the power of the first signal to power themselfs. basicly they are kinda like anti-shoplifter alarms.

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