In addition to duplicating common access control, elevator, water card and other functions, this device can provide a product development set for the development of membership systems, etc.ACR122U NFC reader is a connected contactless smart card reader based on 13.56MHz contactless RFID technology. It complies with the IEC18092 Near Field Communication NFC standard, supporting IC cards, 14443 Type A and Type B cards and all four NFC tags.Compliant with and PCSC standards, the ACR122U is a plugandplay USB device that can interoperate with multiple devices and applications. It uses a USB fullspeed interface 12 Mbps with an access speed of up to 424 kbps, enabling faster and more efficient read and write operations. In addition, the operating distance of the ACR122U can reach up to 5 cm, depending on the type of contactless tag.To enhance the security level, the ACR122U can be integrated with the 78163 card slot. In addition, the ACR122U NFC reader can also be provided in the form of a module, which is easy to integrate into larger devices such as POS terminals, access control systems and vending machines.ACR122U NFC reader is a perfect product for personal identity security authentication and online micropayment transactions. It can be widely used in applications such as access control, electronic payment, electronic ticketing large events and public transportation, toll collection, network verification.The ACR122U can be equipped with an optional base. By positioning the reader at the best angle, users can easily swipe contactless cards or NFC devices on the ACR122U.Application scope internet banking and online shopping, ecommerce, ewallet balance inquiry, network access, customer points discount, identity verification, ticket sales, online games, parking lot charging system, automatic toll system, public transportation, access control system, attendance, vending machines, contactless public telephones, logistics and supply chain management.Color whiteMaterial plasticPackage contents1 NFC card readerOnly the above package contents, other products are not included.Note Light and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is 13 cm.