... . used in contactless card and RFID label 2. format: 2*4, 2*5, 5*5, 3*8 3. thickness: 0.45mm ... Distance: 3-8cmData Storage Time: 10 years.Application: smart card, RFID card, contactless card, contact-free card, door access control card, attendance card and parking card Welcome ... , smart cards, irregularly shaped cards, magnetic cards, barcode card, PVC cards, etc.Thanks for your visit and look forward ...