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2. Card reader - Wikipedia

   en.wikipedia.org/wiki/Card_reader

   A card reader is a data input device that reads data from a card-shaped storage medium and provides the data to a computer. Card readers can acquire data from a card via a number of methods, including: optical scanning of printed text or barcodes or holes on punched cards, electrical signals from connections made or interrupted by a card's punched holes or embedded circuitry, or electronic ...

3. FeliCa - Wikipedia

   en.wikipedia.org/wiki/FeliCa

   FeliCa is a contactless RFID smart card system from Sony in Japan, primarily used in electronic money cards. The name stands for Felicity Card.First utilized in the Octopus card system in Hong Kong, [1] the technology is used in a variety of cards also in countries such as Singapore, Japan, Indonesia, Macau, the Philippines and the United States.

4. Radio-frequency identification - Wikipedia

   en.wikipedia.org/wiki/Radio-frequency_identification

   When triggered by an electromagnetic interrogation pulse from a nearby RFID reader device, the tag transmits digital data, usually an identifying inventory number, back to the reader. This number can be used to track inventory goods. [1] Passive tags are powered by energy from the RFID reader's interrogating radio waves. Active tags are powered ...

5. RFID skimming - Wikipedia

   en.wikipedia.org/wiki/RFID_skimming

   Most modern mobile telephones running Android OS have a built in NFC reader that can be used to unlawfully scan contactless payment cards. A criminal can hide the scanner e.g. inside a glove or a bag, and then place it close to the victim and wirelessly steal the victim's payment card information.

6. MIFARE - Wikipedia

   en.wikipedia.org/wiki/MIFARE

   The maximal read/write distance between card and reader is 10 centimetres (3.9 in), but the actual distance depends on the field power generated by the reader and its antenna size. In 2010, NXP announced the discontinuation of the MIFARE DESFire (MF3ICD40) after it had introduced its successor MIFARE DESFire EV1 (MF3ICD41) in late 2008.

7. Calypso (electronic ticketing system) - Wikipedia

   en.wikipedia.org/wiki/Calypso_(electronic...

   The contactless interface (improperly called RFID) ensuring both remote powering and communication between the reader and the card. A Calypso card, whatever its form (card, watch, mobile phone or other NFC object, etc.) has a microprocessor which contains all the information related to its owner rights for the application, and which implements ...