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Member #757943

Member Since: January 3, 2016

Country: United States

  • Your statement that 'most RFID devices have a maximum range of a few inches' has no bearing on how far such devices can be tracked by suitable technology; most people can't read a car number plate at 200m but a spy satellite can resolve one from orbit. The use of similar passive tags on insects (with a somewhat longer antenna than glass tags, but lower energy radar than is available to military users) has a range of around 500m - e.g. http://rspb.royalsocietypublishing.org/content/272/1565/785

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