... control, time attendance, hotel management, transportation etcRelated ProductsNXP Mifare 1k card, Mifare 4k card, Mifare ultralight, Mifare DESFire, I ... field.With the development of the market, Freevision begin to R&D our own brand chips, CET5577 and CET6600, 100 ... RFID products including RFID ISO lamination cards, and also R&D some RFID shaped transponders upon customers' application.Freevision ...