In addition to duplicating common access control, elevator cards, water cards and other functions, this device can product development kit SDK for the development of membership systems, etc. ACR122U NFC reader is a connected non-contact smart card reader based on 13.56 MHz non-contact (RFID) technology. It complies with the ISO/IEC18092 Near Field Communication (NFC) standard, supports IC cards, ISO 14443 Type A and Type B cards, and all four NFC tags. Due to compliance with and PC/ standards, ACR122U is a plug-and-play USB device can interoperate with multiple devices and applications. It uses a USB full-speed interface (12 Mbps) with an access speed of up to 424kbps, allowing faster and more efficient read and write operations. In addition, the operating distance of ACR122U can reach up to 5 cm, depending on the type of non-contact tag. In order to the security level, ACR122U can be integrated with ISO 7816-3 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 terminals, access control systems, and vending machines. ACR122U NFC reader is an 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 ( events and public transportation), highway toll collection, and network verification. ACR122U can be equipped with optional . By placing the reader at the best angle, users can easily swipe contactless cards or NFC devices on the ACR122U. Application scope: online banking and online shopping, e-commerce, e-wallet balance inquiry, network access, customer points discount, identity verification, ticketing, online gambling, parking lot charging system, automatic toll collection system, public transportation, access control system, Attendance, vending machines, contactless public telephones, logistics and supply chain management. Colour: white Material: plastic Package Contents: 1 * NFC card reader Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.