... :85.5mm*54mm,0.84mm +/-0.02mm 4.13.56mhz Thermal rewrite card with rfid chip ThicknessPrint color MaterialMagnetic chipRewrite area0.22mmBluePET1750oeinvisible magnetic layerN/AFull ... .RFID chips ICs available at 125KHz: EM4100, EM4102, EM4200, EM4435, Atmel Temic5577, NXP Hitag1, Hitag2, HitagS, TK4100 etc…ICs available at 13.56MHz ... XL, G2XM, MONZA Gen2, ST XRA G2 Thermal rewrite card with rfid chip