Technology parameters Chip: ID: TK4100, EM4305 IC: China production induction IC chip Operating Frequency: 125KHz, 13.56MHz Induction distance: 2~10cm Work mode: ID: Read-only IC: R/W Endurance: > 100,000 times Data retention: > 10 years Working temperature: -25℃~+70℃ Material: PVC, PET, PETG, ABS, Paper Size: L85.5mm × W54mm, dikte 0.80mm of 1.80mm ( 1.80mm dik kaart met 'n draagbare gat )