A technology originally developed to help the military track operatives in the field may in the next few years be used by parents to find kids in an amusement park.

Gentag will try to commercialize what it calls a Radar Response Tag, which effectively acts as an accurate homing beacon. In field tests, the tag can track someone more than 12 miles away and pinpoint their location within 3 feet, said Gentag founder John Peeters in an interview.

Twelve miles far exceeds the capabilities of conventional radio frequency ID (RFID) chips. The signal range of those chips is measured in feet. The longer-range global positioning system reaches farther, but the radar response system can track people through walls and other environmental obstacles.A technology originally developed to help the military track operatives in the field may in the next few years be used by parents to find kids in an amusement park.

Gentag will try to commercialize what it calls a Radar Response Tag, which effectively acts as an accurate homing beacon. In field tests, the tag can track someone more than 12 miles away and pinpoint their location within 3 feet, said Gentag founder John Peeters in an interview.

Twelve miles far exceeds the capabilities of conventional radio frequency ID (RFID) chips. The signal range of those chips is measured in feet. The longer-range global positioning system reaches farther, but the radar response system can track people through walls and other environmental obstacles.

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