When using RFID, what is an ARPT (Active Reader Passive Tag)?
a. It is a battery-powered tag actively transmits its credentials at regular time intervals, which can be read remotely.
b. It is a tag that requires an active reader, but still contains a battery in the tag.
c. It is a tag that is activated by an active reader, and uses power from the reader's radio to power its transmission.
d. It is a tag that can be read remotely up to a distance of 50 m, but requires a powerful active reader.
ANSWER: c
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