A very small radio transmitter that can be attached to an object, animal, etc., to enable its location to be tracked from the radio signals it transmits.
Origin
1970s; earliest use found in Ecological Monographs. From radio- + tag.
Definition of radio tag in US English:
radio tag
nounˈreɪdɪəʊ ˌtaɡ
A very small radio transmitter that can be attached to an object, animal, etc., to enable its location to be tracked from the radio signals it transmits.
Origin
1970s; earliest use found in Ecological Monographs. From radio- + tag.