Card readers were affected by the outage. Signs on pumps read, "Cash only, Card reader down." Some customers say they don't carry cash. "I just went to the ATM because the ATM is working ...

What You Get: PowerExpand 2-in-1 SD 4.0 Card Reader, welcome guide, 18-month warranty, and friendly customer service.

If you’ve worked with passive RFID before, you know that most readers only work within inches of the card. In [Fran’s] DEFCON talk this summer he calls it the “ass-grabbing method” of ...