Contactless

[kon-takt-lis] /ˈkɒn tækt lɪs/

adjective
1.
noting or pertaining to technology or devices that use radio waves to relay identifying information to an electronic reader, so that the device does not need to be in direct contact with the reader:
contactless credit and debit cards.
/ˈkɒntæktlɪs/
adjective
1.
without contacts
2.
referring to payment systems which use RFID technology and do not require the customer’s signature or pin number

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