... 006kg/pcs for reference5) Chip available:4442,4428,SLE5528,AT24C01,AT24C16,AT24C64 etc Commonly used ICsFrequency:125khz and 13.56MHz and ... 's requestsChip available4442,4428,SLE5528,AT24C01,AT24C16,AT24C64 etcQuotation for the Rfid smart contact ic card :Deal term:FOB ... Fast delivery and great service after sales LF, HF, UF, VF for selection 13.56MHZ High frequency,Mifare S50/70 ultralight desfire D21 ...