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  2. Payment terminal - Wikipedia

    en.wikipedia.org/wiki/Payment_terminal

    PAX Technology S90 credit card terminal with a Visa card inserted.. A payment terminal, also known as a point of sale (POS) terminal, credit card machine, card reader, PIN pad, EFTPOS terminal (or by the older term as PDQ terminal which stands for "Process Data Quickly" [1]), is a device which interfaces with payment cards to make electronic funds transfers.

  3. EFTPOS - Wikipedia

    en.wikipedia.org/wiki/EFTPOS

    To pay using this system, a customer passes the card within 4 cm of a reader at a merchant checkout. Using this method, for transactions under a specified limit, the customer does not need to authenticate their identity by PIN entry or signature, as on a regular EFTPOS machine. For transactions over the above limit, PIN verification is required.

  4. Contactless payment - Wikipedia

    en.wikipedia.org/wiki/Contactless_payment

    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 ...

  5. How to make payments with your phone - AOL

    www.aol.com/finance/payments-phone-164336000.html

    Then, hold your phone over the credit card reader to make the payment. Samsung Pay. If you’ve got a Samsung phone, you’ll want to set up Samsung Pay. The app comes pre-installed on most ...

  6. Credit card imprinter - Wikipedia

    en.wikipedia.org/wiki/Credit_card_imprinter

    Manual card imprinter Another type of manual card imprinter (Janome M220) with a smaller sliding handle. A credit card imprinter, colloquially known as a ZipZap machine, click-clack machine or Knuckle Buster, is a manual device that was used by merchants to record credit card transactions before the advent of payment terminals.

  7. Square (financial services) - Wikipedia

    en.wikipedia.org/wiki/Square_(financial_services)

    It accepts credit card payments by connecting to a mobile device's audio jack. The original version consisted of a read head directly wired to a 3.5 mm audio jack, through which unencrypted, analog card information was fed to smartphones for amplification and digitization. [53] Square Reader also supports Apple Lightning on post-2018 products.