... development tools, readers, fingerprint products and smart card operating systems (COS). ChipCity products are applied in Telecommunication, Banking ... AT90SC7272C, AT90SC144144CT and others. ChipCity's Smart Card Operating Systems (COS) are for (U) SIM cards, Banking, ... Remote Controllers, Suitcases, Modules, Bio-Character Scanners, Recognition Systems and others. You are welcome to contact us for ...