There are several ways to encode cards, each designed to hold a different style or amount of data – selecting the best encoding method for your ID cards really depends on how you will use the cards.
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Barcode Encoding
Barcodes are the most common type of encoding used with ID cards, from retail membership programs to cashless payment systems at schools.
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Magnetic Stripe Encoding
Requiring specialized cards and a printer upgrade, magnetic stripe encoding is more expensive but offers more flexibility than barcodes.
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Smart Card & RFID Encoding
An advanced form of encoding, smart cards and RFID cards use chips or wireless antennas to send card data to the card reader.
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Proximity Card Encoding
Proximity cards, a type of smart card, are used for access control to unlock doors without the use of a traditional key system.