ADVERTISEMENT

How RFID Tags Work

More In This Article

Typically an RFID system relies on the interaction of a reader device with both an RFID tag and a database containing information associated with that tag. At a minimum, tags consist of an integrated circuit encoded with a unique ID number and a metal coil or antenna able to conduct energy received from the reader.

Click pages to enlarge.

Share this Article:

Comments

You must sign in or register as a ScientificAmerican.com member to submit a comment.
Scientific American Holiday Sale

Scientific American Mind Digital

Get 6 bi-monthly digital issues
+ 1yr of archive access for just $9.99

Hurry this offer ends soon! >

X

Email this Article

X

Next Article