UART To WiFi And Ethernet Module (Modbus/MQTT Gateway)

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This 802.11b/g/n module has different connectivity options, including a TTL serial port, WiFi, and ethernet for bi-directional transparent transmission. It has several functions, such as a serial server, Modbus gateway, MQTT gateway, and UART to HTTPD Client, providing quick WiFi network access for traditional serial port devices or MCU control devices. Compact and easy to install, this module is ideal for data acquisition, IoT gateway functions, and safety & security IoT applications.

Features

  • Embedded Design
  • UART to WIFI/ETH
  • Multi Transparent Transmission Modes
  • HTTPD/MQTT
  • Modbus Gateway
  • Host/Webpage/Serial Configuration

Specifications

Power supply DC 3.3V (±5%)
Power supply method Pin header
Dimensions
(L × W × H) 25.00 x 40.00 x 8.00mm
Communication
Ethernet 10 / 100M auto-negotiation (Connection via pin header)
WIFI 802.11b/g/n compliant
Serial port
Embedded UART
Wireless Specifications
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 Specifications
Baudrate 300 ~ 460800 bps
Parity bit None, odd, even, mark, space
Data bit 5 ~ 9 bits
Flow control RTS/CTS
SOFTWARE
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 Requirements
Operating temperature -40℃ ~ 85℃
Humidity range 5% ~ 95% relative humidity

Resources

Pinout

Package Contents

  • 1x UART To WiFi And Ethernet Module
  • 1x IPX 2.4G 2DB Antenna

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