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NFC (Near Field Communication) cards have become an integral part of our daily lives, enabling seamless transactions and access control. One often overlooked aspect of these cards is the choice of metal used in their construction. The most common metals employed in NFC cards are aluminum and copper. Aluminum is lightweight, making it ideal for thin and portable cards, while copper offers excellent conductivity for efficient data transfer. Some high-end NFC cards also incorporate gold or silver plating for added durability and aesthetics. The choice of metal depends on the card's intended use, balancing factors like cost, performance, and visual appeal to create a versatile tool for modern connectivity.

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