... 45mm, 30mm/25mm/35mm/40mm diameterSize and shape can be customized Chip type- LF(125KHz):TK4100, EM4200 ... classic S70, Mifare Ultralight, ultralight-C, NTAG203 ,I-CODE SIL, TI2048 etc.-UHF(860MHz-960MHz):UCODE GEN2 ... mifare nfc tagProduction PicturesChip characteristic HF 13.56mhz CHIP can be with data codable ( URL ,Number ,test ... got the goods there are several pieces can not useDo not be worry we will ...