{"product_id":"acr122u-a9-usb-nfc-card-reader-writer-13-56mhz-rfid-smart-card-reader","title":"ACR122U-A9 USB NFC Card Reader Writer - 13.56MHz RFID Smart Card Reader","description":"\u003cstyle\u003e\n    .product-copy {\n      line-height: 1.7;\n      color: #222;\n      font-size: 16px;\n    }\n\n    .product-copy h2,\n    .product-copy h3 {\n      margin-top: 28px;\n      margin-bottom: 12px;\n      line-height: 1.3;\n    }\n\n    .product-copy p {\n      margin-bottom: 16px;\n    }\n\n    .product-copy ul {\n      margin: 12px 0 18px 22px;\n      padding: 0;\n    }\n\n    .product-copy li {\n      margin-bottom: 8px;\n    }\n\n    .product-copy table {\n      width: 100%;\n      border-collapse: collapse;\n      margin: 18px 0;\n      font-size: 15px;\n    }\n\n    .product-copy th,\n    .product-copy td {\n      border: 1px solid #ddd;\n      padding: 12px;\n      text-align: left;\n      vertical-align: top;\n    }\n\n    .product-copy th {\n      background: #f7f7f7;\n      font-weight: 700;\n      width: 35%;\n    }\n\n    .product-copy .note {\n      background: #fff8e5;\n      border-left: 4px solid #f0b429;\n      padding: 12px 14px;\n      margin: 18px 0;\n      border-radius: 6px;\n    }\n\n    .product-copy .faq-list details {\n      border: 1px solid #ddd;\n      padding: 14px 16px;\n      margin-bottom: 10px;\n      border-radius: 8px;\n      background: #fff;\n    }\n\n    .product-copy .faq-list summary {\n      cursor: pointer;\n      font-weight: 700;\n    }\n  \u003c\/style\u003e\n\u003cdiv class=\"product-copy\"\u003e\n\u003ch2\u003eACR122U-A9 USB NFC Card Reader Writer\u003c\/h2\u003e\n\u003cp\u003eThe ACR122U-A9 NFC Card Reader is a USB contactless smart card reader for 13.56MHz RFID and NFC projects. It is useful for reading supported NFC tags, RFID cards, smart cards, and contactless cards for testing, access control, attendance systems, payment demos, and identification projects.\u003c\/p\u003e\n\u003cp\u003eThis reader connects to a computer through USB and supports common NFC and RFID card applications. It is a practical choice for developers, students, makers, and technicians working on PC-linked NFC systems.\u003c\/p\u003e\n\u003ch3\u003eSelected Style\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eACR122U-A9\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eWhy Choose This NFC Reader?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWorks with 13.56MHz NFC and RFID card projects.\u003c\/li\u003e\n\u003cli\u003eUSB connection for easy PC-linked use.\u003c\/li\u003e\n\u003cli\u003eSupports contactless card reading and writing.\u003c\/li\u003e\n\u003cli\u003eUseful for access control, ID systems, attendance, and testing.\u003c\/li\u003e\n\u003cli\u003eCompact white case for desk or workbench use.\u003c\/li\u003e\n\u003cli\u003eGood for students, developers, and electronics project builders.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eNFC tag reading and writing\u003c\/li\u003e\n\u003cli\u003eRFID card testing\u003c\/li\u003e\n\u003cli\u003eAccess control systems\u003c\/li\u003e\n\u003cli\u003eTime attendance projects\u003c\/li\u003e\n\u003cli\u003eSmart card learning projects\u003c\/li\u003e\n\u003cli\u003ePC-linked ID verification\u003c\/li\u003e\n\u003cli\u003eLibrary, ticketing, and membership systems\u003c\/li\u003e\n\u003cli\u003eArduino, Raspberry Pi, or desktop NFC project testing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"note\"\u003e\n\u003cp\u003eNote: Cards, tags, drivers, software, and SDK files may not be included.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eUSB NFC card reader \/ writer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSelected Style\u003c\/th\u003e\n\u003ctd\u003eACR122U-A9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWorking Frequency\u003c\/th\u003e\n\u003ctd\u003e13.56MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInterface\u003c\/th\u003e\n\u003ctd\u003eUSB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProtocol Support\u003c\/th\u003e\n\u003ctd\u003eUSB CCID and PC\/SC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupported Standards\u003c\/th\u003e\n\u003ctd\u003eISO\/IEC 18092 NFC, ISO 14443 Type A and B, MIFARE, FeliCa, and NFC tags\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRead \/ Write Speed\u003c\/th\u003e\n\u003ctd\u003e106kbps, 212kbps, up to 424kbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eUSB Speed\u003c\/th\u003e\n\u003ctd\u003eUSB Full Speed up to 12Mbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating Distance\u003c\/th\u003e\n\u003ctd\u003eUp to 50mm, depending on card or tag type\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAntenna Size\u003c\/th\u003e\n\u003ctd\u003e50mm x 40mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePolycarbonate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003ctd\u003e98mm x 65mm x 12.8mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003eAbout 70g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating Temperature\u003c\/th\u003e\n\u003ctd\u003e0°C to 50°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eSetup Notes\u003c\/h3\u003e\n\u003cp\u003eConnect the reader to your computer through USB. Depending on your operating system and software, you may need to install the correct driver, PC\/SC tools, or NFC reader software before use.\u003c\/p\u003e\n\u003cp\u003ePlace the NFC card or tag near the reader surface. Reading distance may change depending on the card type, tag size, antenna design, and software used.\u003c\/p\u003e\n\u003ch3\u003eRecommended Add-ons\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/rfid-nfc\"\u003eRFID and NFC modules\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/cards-tags\"\u003eRFID cards and NFC tags\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/raspberry-pi\"\u003eRaspberry Pi boards\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/arduino\"\u003eArduino boards and modules\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-list\"\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the ACR122U-A9 used for?\u003c\/summary\u003e\n\u003cp\u003eIt is used for reading and writing supported 13.56MHz NFC tags, RFID cards, and contactless smart cards.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes it connect through USB?\u003c\/summary\u003e\n\u003cp\u003eYes. The reader connects to a computer through USB.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan it read MIFARE cards?\u003c\/summary\u003e\n\u003cp\u003eYes. It supports MIFARE and other supported 13.56MHz contactless card types.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the reading distance?\u003c\/summary\u003e\n\u003cp\u003eThe operating distance is up to about 50mm, depending on the card or tag used.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs software included?\u003c\/summary\u003e\n\u003cp\u003eSoftware may not be included. You may need to install compatible drivers or NFC reader tools based on your system and project.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"circuitrocks","offers":[{"title":"Default Title","offer_id":52802103017761,"sku":"1030","price":2387.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/51nbNPeqoGL._AC.jpg?v=1780622792","url":"https:\/\/circuit.rocks\/products\/acr122u-a9-usb-nfc-card-reader-writer-13-56mhz-rfid-smart-card-reader","provider":"circuitrocks","version":"1.0","type":"link"}