... range of shapes. They are designed for most 125KHz and 13.56MHz applications like access control, Electronic purse, parking system, membership ... 50oC Application temp.: -25oC to 50oC Frequency: 125 KHz and 13.56 MHzChip name: EM4100, EM4102, TK4100, T5567, Mifare 1k, ICODE ...