High frequency inlay for card 1, used in contactless card and ... 5, 5*5, 3*8 3, thickness: 0.45mm High frequency inlay for card Features: Working Frequency: 125KHZChip type: EM 4100, EM4102, TK4100 ... 7, 3*8,4*8,4*10, etcThickness: 0.45± 0.02(FCP), 0.52±0.02mm (W/B), etc.Antenna: Cooper Antenna.User ... up to 6Weight:0.95±0.05kg/roll;6.46±0.3kg/ carton (2.1±0.11lbs/roll; 14.2±0.66lbs/carton)Performance ...