Sim, você pode, de acordo com Australian Business Traveller :
In response to a series of Australian Business Traveller enquiries, Qantas today confirmed that the electronic tags are not linked to any one traveller's frequent flyer profile, but rather, are linked to a specific check-in.
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At the bag drop, the Q Bag Tag is synchronised with the boarding pass or Qantas card and flight details that are scanned at the bag drop. The flight details are then recorded in the Q Bag Tag for that flight. The Q Bag Tag does not store any personal information (except the original frequent flyer number the tag was allocated to, so we can find the owner of the tag if it were lost).