High frequency inlay for card 1, used in contactless card and RFID ... , 5*5, 3*8 3, thickness: 0.45mm High frequency inlay for card Features: Working Frequency: 125KHZChip type: EM 4100, EM4102, TK4100, EM4200 ... , 3*7, 3*8,4*8,4*10, etcThickness: 0.45± 0.02(FCP), 0.52±0.02mm (W/B), etc ...