Or wrap it in tin foil for a poor-man's farady cage. You could do slightly better with one of those passport RFID shields if that didn't cut it. Whenever they

Or wrap it in tin foil for a poor-man's farady cage. You could do slightly better with one of those passport RFID shields if that didn't cut it. Whenever they want you to present it, happily do so and then put it back in its cage