11008725

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11008725

  1. 1. 11008725<br />
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  7. 7. Use a battery<br />communicate over distances of several meters<br />Semi-passive Tags<br />Contain built-in batteries to power the chip’s circuitry, resist interference and circumvent a lack of power from the reader signal due to long distance. <br />They are different from active tags in that they only transmit data at the time a response is received<br />Passive Tags<br />Derive their power from the field generated by the reader<br />without having an active transmitter to transfer the information stored<br />

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