List and describe the two different types of RFID tags?

What will be an ideal response?


Passive RFID tags do not have their own power supply. Instead, the tiny electrical current induced in the antenna by the incoming signal from the transceiver provides enough power for the tag to send a response. Because it does not require a power supply, passive RFID tags can be very small-some are only 0.4 mm  0.4 mm and thinner than a sheet of paper. However, with a passive tag the amount of data sent back must also be very small, typically just an ID number. Passive tags have ranges from about 10 millimeters up to 6 meters.

Active RFID tags must have their own power source. Although this makes the tags larger (such as the size of a coin), the tags have longer ranges and larger memories than passive tags, as well as the ability to store additional information sent by the transceiver. Many active tags have a range of 30 or more meters and a battery life of several years.

Computer Science & Information Technology

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