EEVblog #890 – ArmourCard Active RFID Jamming Teardown

What’s inside the ArmourCard active RFID jammer for NFC contactless credit cards?
Does it work? Will it protect you from skimming?
Forum: http://www.eevblog.com/forum/blog/eevblog-890-armourcard-active-rfid-jamming-teardown/

Patent: https://www.google.com/patents/WO2014085862A1
Lithium Battery: http://www.gmbattery.com/dl/cp4/CP/CP142828.pdf

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