Overview
This is a RS485 device data acquisitor / IoT gateway designed for industrial environment. It combines multi functions in one, including serial server, Modbus gateway, MQTT gateway, RS485 to HTTPD Client, etc. With RS485, WIFI and Ethernet ports, the module can realize functions such as serial to WIFI, serial to Ethernet, Ethernet to WIFI and so on. Using screw terminals for power input, it supports 5~36V wide range power supply. Rail-mount V0 flame-retardant case design, small in size, easy to install.

Specifications
1. Communication
(1). Ethernet: 10 / 100M auto-negotiation RJ45 connector
(2). WIFI: 802.11b/g/n compliant
(3). Serial port: RS485 interface (Anti-surge, Lightningproof, Over-current protection)

2. Wireless specification
(1). Frequency Band: 2.412 ~ 2.484 GHz
(2). Wireless network: Station / AP / AP+Station Mode
(3). Security mechanism: WPA-PSK / WPA2-PSK
(4). Encryption type: TKIP / AES
(5). Transmitting power
802.11b: +19dBm (Max.@11Mbps)
802.11g: +18dBm (Max.@54Mbps)
802.11n: +17dBm (Max.@HT20, MCS7); +17dBm (Max.@HT40, MCS7)
(6). Receiving sensitivity
802.11b: -89dBm (@11Mbps)
802.11g: -81dBm (@54Mbps)
802.11n: -73dBm (@HT20, MCS7); -71dBm (@HT40, MCS7)

3. Serial specification
(1). Baudrate: 300 ~ 460800 bps
(2). Parity bit: none, odd, even, mark, space
(3). Data bit: 5 ~ 9 bits
(4). Flow control: N/A

4. Software
(1). Protocol: TCP / UDP / ARP / ICMP / DHCP / DNS / HTTP / MQTT
(2). Configuration: host, web browser, serial AT command
(3). Communication method: TCP/IP direct communication, VCOM
(4). Operating mode: Transparent transmission, serial command, HTTPD Client, Modbus TCP to Modbus RTU

Package Content
1. RS485 TO WIFI/ETH x1
2. Antenna x1

Note
Development Resources and Technical Support are provided, please feel free to contact us if you have any problem!

Brand	Waveshare
Manufacturer	Waveshare
Model	RS485 zu WiFi/Ethernet Modul
Model Name	RS485 TO WIFI/ETH Serial Server
Package Dimensions	15.29 x 10.31 x 5.21 cm; 150 g
Item model number	RS485 zu WiFi/Ethernet Modul
Memory Slots Available	1
Graphics Card Interface	PCI Express
Compatible Devices	Personal Computer
Batteries Included	No
Batteries Required	No
Wireless Type	802.11n, 802.11bgn, 802.11b, 802.11g 108 Mbps
Number of Ports	2
Manufacturer	Waveshare
Item Weight	150 g

RS485 to WIFI/Ethernet Converter, Modbus MQTT Gateway, RS485 Serial Server Rail-Mount, with RS485, WIFI and Ethernet ports, Support RS485 to WIFI, RS485 to Ethernet, Ethernet to WIFI, etc.

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