... pieces , conjoined plastic bag Chip Mifare ultralight ,1k , UL-C ,NTAG 203 ,TOPAZ 512 Main Features:•Printing : Customized card surface ... 2. Chip craft available : data en-codable ( URL ,Number ,test or name) and chip encryption • IC Chip can be: LF ... FM11RF08, Mifare classic S50, Mifare classic S70, Mifare Ultralight, ultralight-C, NTAG203• Reading/Writing Distance: 2CM-5CM• Antenna available : Etching ...