High frequency inlay for card 1, used in contactless card and ... 5*5, 3*8 3, thickness: 0.45mm High frequency inlay for card Features: Working Frequency: 125KHZChip type: EM 4100, EM4102, TK4100, EM4200 ... , etc.Material: PVC, PETInlay Format: 2*4, 2*5, 5*5, 3*6 ... per carton: up to 6Weight:0.95±0.05kg/roll;6.46±0.3kg/ carton (2.1±0.11lbs/roll; ...