BBC Moneybox - contactless hiccups

Peter Tomlinson pwt at
Sat May 18 14:03:51 BST 2013

Well, it all depends...

... on how much power the card needs to function

... on how much power the terminal actually radiates (sic, its a 
magnetic field thing).

I'm copying this to Chris Stanford who runs the ISO/IEC JTC1/SC17/WG8 UK 
Panel for Contactless cards.


Peter Tomlinson

On 18/05/2013 11:34, Roland Perry wrote:
>          "Some Marks and Spencer customers have told the BBC of cases
>          where the chain's contactless payment terminals have taken money
>          from cards other than the ones intended for payment.
>          "Card are supposed to be within about 4cm of the front of the
>          contactless terminal to work.
>          "But some customers say payments have been taken from cards
>          while in purses and wallets at much greater distances.

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