Blank White 2K EV3 Mifare Desfire Cards - Pack of 100These MIFARE DESFire EV3 2K cards use NXP’s latest chip technology to deliver fast, secure, and reliable performance. With 2KB of memory, they can support multiple applications on a single card. Operating at 13.56 MHz, they offer high-speed data transfer up to 848 Kbit/s, making them ideal for access control, transit, and other secure systems.Product weight: 0.60 kg- Sold in packs of 100- Standard CR80 credit cards size (86mm x 54mm)- 2K byte memory capacity- Ideal solution for identity, access control, and micropayment applications