BBC discovers that Oyster users can be overcharged for incomplete journeys
On Thu, 10 Mar 2011 17:00:36 -0000
"tim...." wrote:
Given a powerful enough directed RF signal you could certainly power up
and
send signals to an Oyster card from a distance.
Only of you wanted to fry the human holding it, at the same time
Why? It shouldn't need much more power than you'd get from those shop
security gates.
B2003
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