RS232/485 To WiFi/Ethernet Module (Modbus/MQTT Gateway) - The Pi Hut

RS232/485 To WiFi/Ethernet Module (Modbus/MQTT Gateway)

Name: RS232/485 To WiFi/Ethernet Module (Modbus/MQTT Gateway)
Brand: Waveshare
SKU: WAV-25222
Price: 28.50 GBP
Availability: InStock

WaveshareSKU: WAV-25222

£28.50

incl. VAT

excl. VAT

Only 10 units left

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This serial server combines functions like a serial server, Modbus gateway, and MQTT gateway, and also enables serial port data to be converted to HTTPD Client. With interfaces for RS232, RS485, WiFi, and Ethernet, it supports various data transfer methods, including from serial port to WiFi and Ethernet to WiFi.

It includes multiple power supply interfaces, accepting a wide range of 6~36V, and has an optional PoE function. Its metal case allows for both wall-mount and rail-mount installations and its compact size makes it easy to install. It is ideal for data acquisition and serving as an IoT gateway in safety and security projects.

Note: The power supply is NOT included, it is recommended to use this 12V Power Adapter

Features

RS232/485 to Network
Multi Transparent Transmission Modes
HTTPD/MQTT
Modbus Gateway
RJ45 Ethernet Port
Host/Webpage/Serial Configuration
Wall-Mount and Rail-Mount Support

Specifications

Power supply	DC 6~36V
Power supply method	DC 5.5 power port, screw terminal
Dimensions
(L x W x H)	84.00 x 64.00 x 24.00mm
Communication
Ethernet	10 / 100M auto-negotiation RJ45 connector
WIFI	802.11b/g/n compliant
Serial port	RS232 (ESD/EFT)
	RS485 (ESD/EFT/surge protection)
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