{"product_id":"em-18-rfid-reader-module-125khz-uart-rfid-card-reader-for-arduino-esp32-raspberry-pi-access-control-projects","title":"EM-18 RFID Reader Module | 125KHz UART RFID Card Reader for Arduino, ESP32, Raspberry Pi \u0026 Access Control Projects","description":"\u003cp data-start=\"171\" data-end=\"525\" class=\"PDq2pG_selectionAnchorContainer\"\u003eThe \u003cstrong data-start=\"175\" data-end=\"203\"\u003eEM-18 RFID Reader Module\u003c\/strong\u003e is a compact and reliable \u003cstrong data-start=\"230\" data-end=\"252\"\u003e125KHz RFID reader\u003c\/strong\u003e designed for contactless identification and access control applications. It supports \u003cstrong data-start=\"338\" data-end=\"383\"\u003eEM4100-compatible RFID cards and key tags\u003c\/strong\u003e, making it an excellent choice for security systems, attendance machines, door access control, automation, and embedded electronics projects.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"527\" data-end=\"863\"\u003eThe module communicates through a \u003cstrong data-start=\"561\" data-end=\"582\"\u003eUART (TTL Serial)\u003c\/strong\u003e interface, allowing seamless integration with \u003cstrong data-start=\"629\" data-end=\"715\"\u003eArduino, ESP32, ESP8266, Raspberry Pi, STM32, PIC, AVR, and other microcontrollers\u003c\/strong\u003e. Simply present a compatible RFID card or tag near the reader, and the unique ID is transmitted to the controller for authentication or processing.\u003c\/p\u003e\n\u003cp data-start=\"865\" data-end=\"1036\"\u003eWith its fast response, stable performance, and low power consumption, the EM-18 RFID Reader Module is widely used in educational, industrial, and commercial applications.\u003c\/p\u003e\n\u003chr data-start=\"1038\" data-end=\"1041\"\u003e\n\u003ch2 data-section-id=\"1a3ueyz\" data-start=\"1043\" data-end=\"1060\"\u003eSpecifications\u003c\/h2\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"1062\" data-end=\"1763\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"1062\" data-end=\"1091\"\u003e\n\u003ctr data-start=\"1062\" data-end=\"1091\"\u003e\n\u003cth data-start=\"1062\" data-end=\"1074\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eParameter\u003c\/th\u003e\n\u003cth data-start=\"1074\" data-end=\"1091\" data-col-size=\"md\" class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"1121\" data-end=\"1763\"\u003e\n\u003ctr data-start=\"1121\" data-end=\"1164\"\u003e\n\u003ctd data-start=\"1121\" data-end=\"1136\" data-col-size=\"sm\"\u003eProduct Name\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1136\" data-end=\"1164\"\u003eEM-18 RFID Reader Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1165\" data-end=\"1201\"\u003e\n\u003ctd data-start=\"1165\" data-end=\"1179\" data-col-size=\"sm\"\u003eModule Type\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1179\" data-end=\"1201\"\u003eRFID Reader Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1202\" data-end=\"1234\"\u003e\n\u003ctd data-start=\"1202\" data-end=\"1224\" data-col-size=\"sm\"\u003eOperating Frequency\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1224\" data-end=\"1234\"\u003e125KHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1235\" data-end=\"1301\"\u003e\n\u003ctd data-start=\"1235\" data-end=\"1258\" data-col-size=\"sm\"\u003eSupported RFID Cards\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1258\" data-end=\"1301\"\u003eEM4100 Compatible RFID Cards \u0026amp; Key Tags\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1302\" data-end=\"1349\"\u003e\n\u003ctd data-start=\"1302\" data-end=\"1328\" data-col-size=\"sm\"\u003eCommunication Interface\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1328\" data-end=\"1349\"\u003eUART (TTL Serial)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1350\" data-end=\"1381\"\u003e\n\u003ctd data-start=\"1350\" data-end=\"1366\" data-col-size=\"sm\"\u003eOutput Format\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1366\" data-end=\"1381\"\u003eSerial Data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1382\" data-end=\"1411\"\u003e\n\u003ctd data-start=\"1382\" data-end=\"1402\" data-col-size=\"sm\"\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1402\" data-end=\"1411\"\u003e5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1412\" data-end=\"1452\"\u003e\n\u003ctd data-start=\"1412\" data-end=\"1432\" data-col-size=\"sm\"\u003eOperating Current\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1432\" data-end=\"1452\"\u003eTypically \u0026lt; 70mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1453\" data-end=\"1522\"\u003e\n\u003ctd data-start=\"1453\" data-end=\"1472\" data-col-size=\"sm\"\u003eReading Distance\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1472\" data-end=\"1522\"\u003eUp to 8–12 cm (Depending on Tag \u0026amp; Environment)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1523\" data-end=\"1547\"\u003e\n\u003ctd data-start=\"1523\" data-end=\"1535\" data-col-size=\"sm\"\u003eBaud Rate\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1535\" data-end=\"1547\"\u003e9600 bps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1548\" data-end=\"1571\"\u003e\n\u003ctd data-start=\"1548\" data-end=\"1564\" data-col-size=\"sm\"\u003eLED Indicator\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1564\" data-end=\"1571\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1572\" data-end=\"1593\"\u003e\n\u003ctd data-start=\"1572\" data-end=\"1581\" data-col-size=\"sm\"\u003eBuzzer\u003c\/td\u003e\n\u003ctd data-start=\"1581\" data-end=\"1593\" data-col-size=\"md\"\u003eBuilt-in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1594\" data-end=\"1618\"\u003e\n\u003ctd data-start=\"1594\" data-end=\"1604\" data-col-size=\"sm\"\u003eAntenna\u003c\/td\u003e\n\u003ctd data-start=\"1604\" data-end=\"1618\" data-col-size=\"md\"\u003eIntegrated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1619\" data-end=\"1644\"\u003e\n\u003ctd data-start=\"1619\" data-end=\"1630\" data-col-size=\"sm\"\u003eMounting\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1630\" data-end=\"1644\"\u003ePCB Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1645\" data-end=\"1687\"\u003e\n\u003ctd data-start=\"1645\" data-end=\"1669\" data-col-size=\"sm\"\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1669\" data-end=\"1687\"\u003e-20°C to +70°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1688\" data-end=\"1763\"\u003e\n\u003ctd data-start=\"1688\" data-end=\"1703\" data-col-size=\"sm\"\u003eApplications\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1703\" data-end=\"1763\"\u003eAccess Control, Attendance, Automation, Security Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"1765\" data-end=\"1768\"\u003e\n\u003ch2 data-section-id=\"1ma7m6t\" data-start=\"1770\" data-end=\"1785\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"1787\" data-end=\"2181\"\u003e\n\u003cli data-section-id=\"w8knc4\" data-start=\"1787\" data-end=\"1820\"\u003eSupports 125KHz RFID technology\u003c\/li\u003e\n\u003cli data-section-id=\"1e697b6\" data-start=\"1821\" data-end=\"1869\"\u003eCompatible with EM4100 RFID cards and key tags\u003c\/li\u003e\n\u003cli data-section-id=\"dr34eu\" data-start=\"1870\" data-end=\"1901\"\u003eUART TTL serial communication\u003c\/li\u003e\n\u003cli data-section-id=\"i7pwj2\" data-start=\"1902\" data-end=\"1936\"\u003eFast and accurate card detection\u003c\/li\u003e\n\u003cli data-section-id=\"ilbz30\" data-start=\"1937\" data-end=\"1968\"\u003eBuilt-in LED status indicator\u003c\/li\u003e\n\u003cli data-section-id=\"v49rlg\" data-start=\"1969\" data-end=\"2010\"\u003eIntegrated buzzer for scan confirmation\u003c\/li\u003e\n\u003cli data-section-id=\"fk93d0\" data-start=\"2011\" data-end=\"2057\"\u003eReading distance up to approximately 8–12 cm\u003c\/li\u003e\n\u003cli data-section-id=\"jhmxae\" data-start=\"2058\" data-end=\"2081\"\u003eLow power consumption\u003c\/li\u003e\n\u003cli data-section-id=\"pnyh8x\" data-start=\"2082\" data-end=\"2128\"\u003eEasy interface with popular microcontrollers\u003c\/li\u003e\n\u003cli data-section-id=\"8xrbh8\" data-start=\"2129\" data-end=\"2181\"\u003eIdeal for embedded systems and automation projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2183\" data-end=\"2186\"\u003e\n\u003ch2 data-section-id=\"mu966k\" data-start=\"2188\" data-end=\"2203\"\u003eApplications\u003c\/h2\u003e\n\u003cul data-start=\"2205\" data-end=\"2528\"\u003e\n\u003cli data-section-id=\"y5mxjw\" data-start=\"2205\" data-end=\"2236\"\u003eRFID-based attendance systems\u003c\/li\u003e\n\u003cli data-section-id=\"1e6o1vh\" data-start=\"2237\" data-end=\"2258\"\u003eDoor access control\u003c\/li\u003e\n\u003cli data-section-id=\"1cvik09\" data-start=\"2259\" data-end=\"2272\"\u003eSmart locks\u003c\/li\u003e\n\u003cli data-section-id=\"4sgy6w\" data-start=\"2273\" data-end=\"2290\"\u003eHome automation\u003c\/li\u003e\n\u003cli data-section-id=\"1oprlwk\" data-start=\"2291\" data-end=\"2309\"\u003eArduino projects\u003c\/li\u003e\n\u003cli data-section-id=\"wid5ji\" data-start=\"2310\" data-end=\"2338\"\u003eESP32 and ESP8266 projects\u003c\/li\u003e\n\u003cli data-section-id=\"zqtbzt\" data-start=\"2339\" data-end=\"2362\"\u003eRaspberry Pi projects\u003c\/li\u003e\n\u003cli data-section-id=\"3k0v2r\" data-start=\"2363\" data-end=\"2381\"\u003eIoT applications\u003c\/li\u003e\n\u003cli data-section-id=\"cftsug\" data-start=\"2382\" data-end=\"2400\"\u003eSecurity systems\u003c\/li\u003e\n\u003cli data-section-id=\"1eqi4uv\" data-start=\"2401\" data-end=\"2417\"\u003eAsset tracking\u003c\/li\u003e\n\u003cli data-section-id=\"1gfud5l\" data-start=\"2418\" data-end=\"2439\"\u003eUser authentication\u003c\/li\u003e\n\u003cli data-section-id=\"rb6wls\" data-start=\"2440\" data-end=\"2463\"\u003eIndustrial automation\u003c\/li\u003e\n\u003cli data-section-id=\"1aacywo\" data-start=\"2464\" data-end=\"2498\"\u003eEducational electronics projects\u003c\/li\u003e\n\u003cli data-section-id=\"1nty0k0\" data-start=\"2499\" data-end=\"2528\"\u003eEmbedded system development\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2530\" data-end=\"2533\"\u003e\n\u003ch2 data-section-id=\"6hv2og\" data-start=\"2535\" data-end=\"2554\"\u003ePackage Includes\u003c\/h2\u003e\n\u003cul data-start=\"2556\" data-end=\"2590\"\u003e\n\u003cli data-section-id=\"1692h2c\" data-start=\"2556\" data-end=\"2590\"\u003e\u003cstrong data-start=\"2558\" data-end=\"2590\"\u003e1 × EM-18 RFID Reader Module\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MAJESTRONICZ","offers":[{"title":"Default Title","offer_id":47962622984350,"sku":null,"price":259.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/9257\/2574\/files\/shopping_13.webp?v=1783774191","url":"https:\/\/majestronicz.in\/products\/em-18-rfid-reader-module-125khz-uart-rfid-card-reader-for-arduino-esp32-raspberry-pi-access-control-projects","provider":"MAJESTRONICZ","version":"1.0","type":"link"}