In fact, depending on the specific features of the radio tag, the scanner reader can be a few feet away or several hundred.

Perhaps the ultimate solution to the standards problem will be radio tags built into the body of each car.

Still, development and adoption of radio tags have been slowed by concerns on cost, reliability and security.

If all objects and people in daily life were equipped with radio tags, they could be identified and inventoried by computers.

This individual was eventually released with a small radio tag attached to its soft body.

These radio tags, or transponders, can be used to time vehicles between points in a freeway system.

Convincing Christians that radio tags are a glide path toward the end of days may be a stiff challenge.

I've attached radio tags, so if they do, I'll probably be able to find them again.

Another, expensive technology that can provide information about this species are satellite-monitored radio tags.

Then he saw that Taiwanese toy designers were experimenting with radio tags, and the light went on.