operating frequency:13.56 MHZ an IC chip smart card that requires no contact to be read 1/ Material: PVC,ABS,PET2/ Size: ISO standard 85.6 x 54mm3/ Chip models:Mifare1 S50 (1K), Mifare1 S70 (4K), EM4105, etc.4/ Available crafts: 5 color printing, magnetic stripe, signature panel, photo, barcode5/ Application: Access control, hotel locks, staff attendance and salary management,etc.Disclaimer:The ...