Do they pose an issue for humans? I ask because I read that NFL players will be wearing battery-powered RFID tags during the Super Bowl.
Active RFID transponders, such as the ones worn by National Football League (NFL) players, emit much less energy than a cell phone. The signal does not need to travel very far to reach the receivers set up throughout the stadium, so there is no risk to human health.
—Mark Roberti, Founder and Editor, RFID Journal
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