... , T5557, Hitag1, Hitag2, Hitags 256. Mifare 1K, Mifare 4K RFID key tagchuangxinjia produce many kinds of keychains with different material ... , Mifare 4K, Mifare Ultralight, ICODE SLI etc.Product name: RFID key tag Mateial: PVC Chip option: EM4100, EM4102, TK4100, ... , Hitags 256. Mifare 1K, Mifare 4K, Mifare Ultralight, ICODE, Legic, SR176, Ti2048 Frequency: 125KHz and 13.56MHz Reading distance: Depends ...