Our MIFARE Classic� EV1 1K RFID key fobs in blue are a reliable and cost-effective alternative to traditional physical access control cards. Made with genuine NXP Phillips chips, these fobs operate at an efficient frequency of 13.56 MHz and come equipped with 1kb of memory. These key fobs are designed without a battery, allowing for an unlimited number of reads, making them perfect for access control and management purposes. Additionally, we are a MIFARE registered partner, ensuring that you can order with confidence. Genuine NXP Phillips chipsNo-battery design for infinite readsPerfect for access control and management purposes