Blank EM card 125K 1.Material:PVC,PET, etc 2.RFID Chips:EM4100,T5577,Mifare 1K,UHF ... EM card 125KProximity Cards & RFID cards13.56mHZ & 125kHZ 1.Material:PVC,PET, etc 2.Chips:EM4102,T5577,Mifare 1K,UHF 3 ... DimensionsCR80 85.60 x 53.98mmThickness0.8mm,customizationMaterialPVC/PET/PETG/ABS/PaperCard SurfaceMatt/ glossy finish Working Frequency125KHz, 13.56MHz, 868-915MHzChips ...