Our red MIFARE Classic EV1 1K RFID key fobs are a reliable and easy-to-use alternative to traditional physical access control cards. Each fob is equipped with a genuine NXP Phillips chip and boasts 1kb of memory, operating at 13.56 MHz. With a no-battery design, these fobs provide an infinite number of reads. Additionally, we are a MIFARE registered partner, so you can buy with confidence.Genuine NXP Phillips chip1kb of memoryNo-battery design