{"title":"UART To WiFi And Ethernet Module, Embedded UART Serial Server, Industrial WiFi Module, Integrated 802.11b/g/n Module","handle":"uart-to-wifi-and-ethernet-module-embedded-uart-serial-server-industrial-wifi-module-integrated-802-11b-g-n-module","url":"/products/uart-to-wifi-and-ethernet-module-embedded-uart-serial-server-industrial-wifi-module-integrated-802-11b-g-n-module","description":"The UART-WIFI232-B2 is an industrial-grade embedded module that provides bidirectional transparent transmission between TTL serial (UART), WiFi (802.11b/g/n), and 100 Mbps Ethernet. It functions as a serial server, Modbus gateway, MQTT gateway, and HTTP client, enabling traditional serial devices or MCU-controlled equipment to quickly connect to wireless and wired networks.\n\nConfiguration is available via AT commands, a built-in web interface, or host serial port settings, making it flexible for a wide range of IoT and industrial automation applications.\n\nKey Features\n\n\nTriple Interface – UART to WiFi, UART to Ethernet, and Ethernet to WiFi bridging\n\nTransparent Transmission – TCP Server/Client, UDP Server/Client modes\n\nMQTT Gateway – Subscribe to 6 topics and publish 6 topics simultaneously\n\nModbus Gateway – Modbus TCP to Modbus RTU interconversion\n\nHTTP Client – Send and receive data from HTTP servers\n\nWebSocket Support – Real-time serial-to-web data interaction\n\n100 Mbps Ethernet – Wired network connectivity alongside WiFi\n\nMultiple WiFi Modes – AP, STA, and AP+STA\n\nBuilt-in Web Interface – Configure IP, port, baud rate, and other parameters via browser\n\nAT Command Support – Query status and set parameters via serial commands\n\nRegistration & Heartbeat Packets – Device identification and connection monitoring\n\n\nSpecifications\n\n\nWiFi Standard – 802.11b/g/n\n\nEthernet – 100 Mbps\n\nSerial Interface – UART (TTL)\n\nWiFi Modes – AP, STA, AP+STA\n\nProtocols – TCP, UDP, MQTT, HTTP, Modbus TCP/RTU, WebSocket\n\nConfiguration – AT commands, web browser, serial port\n\n\nPackage Contents\n\n1× UART-WIFI232-B2 module\n1× IPX 2.4 GHz 2 dBi antenna\n\n\nIdeal For\n\nIndustrial IoT gateways and data acquisition\nConnecting legacy serial devices to WiFi/Ethernet networks\nModbus TCP/RTU protocol conversion\nRemote monitoring and intelligent instrument control\n\n\nResources\n\nWaveshare Wiki – Documentation & Downloads\n","vendor":"Waveshare","product_type":"","in_stock":true,"options":[],"variants":[{"id":1451,"title":"Default Title","sku":"WS-25116","price":20.69,"on_sale":false,"in_stock":true,"available_quantity":10,"option1":"Default Title"}]}