... : data en-codable ( URL ,Number ,test or name) and chip encryption l IC Chip can be: LF(125KHz):TK4100, EM4200, T5577 etc.HF ... Materialhigh quality PVC/PETSize85.6mm*53.98mm or as required Chip typesEM4100,EM4102,TK4100,EM4305,EM4450,ATM5577,F1108,Philips MF1S50 MF1S70 ...