The ACR1552U USB NFC Reader IV is a versatile device that functions as an NFC reader/writer, keyboard emulator, and card emulator. It supports various smart card types. With a high-speed communication capability and a built-in Secure Access Module (SAM) slot, it enhances the security of contactless transactions. Compatible with major operating systems such as Windows®, Linux®, macOS, and Android™, this plug-and-play reader is suitable for applications in finance, healthcare, and government sectors.