NFC Card Tag (MIFARE Classic 13.56MHz/1K S50)

This NFC MIFARE Classic card is a versatile tool, commonly used for electronic locks or customer identification. It features an NXP S50 chip and an antenna, and gets passively powered by the reader/writer when placed just a few inches away. It's also compatible with NFC Shield. Key specs include 1 KiloByte (8 KiloBit) non-volatile EEPROM storage, a built-in encryption engine with a 48-bit key, a 4 Byte unique identifier on the chip, and a 13.56 MHz frequency.

Using this NFC card tag is easy. First, make sure your reader/writer device is compatible with the 13.56 MHz frequency. Then, bring the card within a couple of inches of the reader/writer to power it up and start the communication. You can use it for electronic locks by simply tapping the card near the lock's sensor. For customer identification, link the card's unique identifier to the relevant customer information. When it comes to maintenance, keep the card away from strong magnetic fields and extreme temperatures, as these can affect its performance. Also, avoid bending or scratching the card to ensure its long - term functionality.