UART To WiFi And Ethernet Module, Embedded UART Serial Server, Industrial WiFi Module, Integrated 802.11b/g/n Module

SKU: 25116
Part Number: UART-WIFI232-B2
Brand: Waveshare


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UART To WiFi And Ethernet Module, Embedded UART Serial Server, Industrial WiFi Module, Integrated 802.11b/g/n Module
Features at a glance

This is an industrial-grade integrated 802.11b/g/n module, which can realize TTL serial port, WiFi, and Ethernet port bi-directional transparent transmission. It combines multi functions in one, including serial server, Modbus gateway, MQTT gateway, UART to HTTPD Client, etc. Traditional serial port devices or MCU control devices can quickly access the WiFi wireless network by using this WiFi module. It is small in size, easy to install, and suitable for applications like data acquisition, IoT gateway, safety & security IoT, and intelligent instrument monitoring...

Product Description Embedded module Industrial rail-mount module with plastic case Industrial rail-mount/wall-mount module with metal case, PoE function optional
Power supply DC 3.3V (±5%) DC 5~36V DC 6~36V DC 6~36V / PoE port
Power supply method Pin header Screw terminal DC 5.5 power port, screw terminal DC 5.5 power port, screw terminal, or PoE port
(L × W × H)
25.00×40.00×8.00mm 109.66×28.00×64.71mm 84.00×64.00×24.00mm
Ethernet 10 / 100M auto-negotiation (Connection via pin header) 10 / 100M auto-negotiation RJ45 connector
WIFI 802.11b/g/n compliant
Serial port UART RS485 (ESD/EFT/surge protection) RS232 (ESD/EFT)
RS485 (ESD/EFT/surge protection)
Wireless specification
Frequency Band 2.412 ~ 2.484 GHz
Wireless network Station / AP / AP+Station Mode
Security mechanism WPA-PSK / WPA2-PSK
Encryption type TKIP / AES
Transmitting power 802.11b: +19dBm (Max.@11Mbps)
802.11g: +18dBm (Max.@54Mbps)
802.11n: +17dBm (Max.@HT20, MCS7); +17dBm (Max.@HT40, MCS7)
Receiving sensitivity 802.11b: -89dBm (@11Mbps)
802.11g: -81dBm (@54Mbps)
802.11n: -73dBm (@HT20, MCS7); -71dBm (@HT40, MCS7)
Serial specification
Baudrate 300 ~ 460800 bps
Parity bit none, odd, even, mark, space
Data bit 5 ~ 9 bits
Flow control RTS/CTS N/A
Protocol TCP / UDP / ARP / ICMP / DHCP / DNS / HTTP / MQTT
Configuration host, web browser, serial AT command
Communication method TCP/IP direct communication, VCOM
Operating mode Transparent transmission, serial command, HTTPD Client, Modbus TCP to Modbus RTU
Environment requirement
Operating temperature -40℃ ~ 85℃
Humidity range 5% ~ 95% relative humidity

Primary function

Support UART To WiFi, UART To Ethernet, Ethernet to WiFi, etc.

Function Block Diagram
Support transparent transmission mode

Support TCP Server, TCP Client, UDP Server, UDP Client

Devices can subscribe to other MQTT client messages, and can publish topic information to the server. Supports subscription of 6 messages and publication of 6 topics, wider range of use and more applicable scenarios. Users can view device-related information through terminal devices or cloud platforms.

After the user has set the HTTP header through AT commands or web page, the module can send data to the HTTP server, or obtain data from the HTTP server

Users send data to servers according to the protocol and can send data to different servers without restarting

Support Modbus TCP And Modbus RTU Interconversion Mode

Support multi wireless networking methods

Support AP mode, STA mode, and AP+STA mode


Multi Configuration Methods

Supports multi configuration methods such as hosts, Web Browser and serial port Configuration

Built-In webpage

Built-in webpage, and supports setting IP address, port number, serial port baud rate and other parameters through webpage.

AT Command Mode

The user can query the current status of the module or set related parameters by sending AT commands

Socket Distribution Protocol

In the transparent transmission mode, the serial device can send data to the specified Socket link; the network data of each Socket is sent to the serial device through the serial port

Support Websocket function

The Websocket function is to realize the data interaction between the module webpage and the module serial port; The Websocketserver function can make the serial port of the module interact with the webpage in real time, replacing the earlier HTTPGET, POST, and PUT methods for a faster response time.

Customized registration packets, heartbeat packets

The registration package is used to identify the device information to the server, so that the server can identify the device

100M Ethernet port

Through this Ethernet port, it is possible to transfer data between the WiFi, serial port and Ethernet port.

Application Scenarios
Interface introduction
Product show

Outline dimensions
Resources & Services

Weight: 0.011 kg

Quick Overview

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