The Mifare Classic 4K NXP EV1 Cards with Hi-Co Magnetic Stripe are contactless cards embedded with a genuine NXP smart chip. It also comes with a high coercivity magnetic stripe for data encoding. Sold in packs of 100 High-coercivity magnetic stripe (2750 Oersted) 4KB memory capacity Operates at 13.56 MHz frequency range Individually programmed with a 4-byte NUID number
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