The Mifare DESFire 4K NXP EV2 Cards with Hi-Co Magnetic Stripe are contactless cards with a high-coercivity magnetic stripe. It has a 4 Kbyte memory and can be used in multiple applications. Sold in packs of 100 With a high-coercivity magnetic stripe (2750 Oersted) Standard CR80 credit cards size (86mm x 54mm) 4 Kbyte memory capacity Operates at 13.56 MHz frequency range
