High frequency inlay for card 1, used in contactless card and RFID label 2, format: 2*4, 2*5, 5*5, 3*8 3, thickness: 0.45mm ... High frequency inlay for card Features: Working Frequency: 125KHZChip type: EM ... .Material: PVC, PETInlay Format: 2*4, 2*5, 5*5, 3*6, 3*7, 3*8,4*8,4*10, etcThickness: 0.45± 0.02 ...