The Mifare Classic 4K NXP EV1 Cards are contactless cards embedded with genuine NXP smart chip and secure read/write capabilities. These smart cards come with up to 4KB of memory capacity. Sold in packs of 100 Standard CR80 credit card size (85.60 x 53.98mm) 4KB memory capacity Operates at 13.56 MHz frequency range Individually programmed with a 4-byte NUID number
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