Answer:
Tiny computer chips that transmit information about the contents of containers.
Explanation:
Radio frequency identification tags refer to tiny chips that utilize electromagnetic fields so as to automatically trace and identify tags attached with objects.
The technology uses radio waves so as to read or capture stored details of a tag attached with an object.
A tag is capable of being read even while away by several feets.
Radio frequency tags are of two kinds, passive and battery powered. While a passive tag uses radio wave energy so as to relay the stored details back to interrogator.
Whereas a battery powered tag includes an embedded battery which powers such relay of details.
