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A contactless smart card is a card in which the chip communicates with the card reader through an induction technology similar to that of an RFID (at data rates of 106 to 848 kbit/s). These cards require only close proximity to an antenna to complete a transaction.
A proximity card or prox card [1] also known as a key card or keycard is a contactless smart card which can be read without inserting it into a reader device, as required by earlier magnetic stripe cards such as credit cards and contact type smart cards. [2] The proximity cards are part of the contactless card technologies.
EMV contactless symbol used on compatible payment terminals. EMV stands for "Europay, Mastercard, and Visa", the three companies that created the standard.Contactless payment systems are credit cards and debit cards, key fobs, smart cards, or other devices, including smartphones and other mobile devices, that use radio-frequency identification (RFID) or near-field communication (NFC) for ...
Contactless smart cards communicate with readers under protocols defined in the ISO/IEC 14443 standard. They support data rates of 106–848 kbit/s. These cards require only proximity to an antenna to communicate. Like smart cards with contacts, contactless cards do not have an internal power source.
The contactless IC is based on an 8051 processor with 3DES/AES cryptographic accelerator, making very fast transactions possible. 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.
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.
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