RS-485 IoT Gateway

  • RS-485 IoT gateway is used for transmitting data from one device to another usually far away by using a wired LAN or a Wi-Fi.
  • It is useful for establishing communication between devices which are physically impossible to interconnect.
  • The device contains a LAN port, 802.11 b/g/n WLAN, serial device server with RS-232 or RS-485 IoT Gateway connectivity option.
  • It attaches IEEE 802.11b/g/n network devices with serial and Ethernet ports.
  • It handles Virtual COM, TCP server/client, UDP server/client, and HTTPS client.
  • It provides Modbus RTU to Modbus TCP support.
  • With just one RJ45 Ethernet interface, it offers numerous networking modes.
  • Specific MQTT/SSL firmware (contact sales).
RS-485 IoT Gateway
RS-485 IoT Gateway
RS-485 IoT Gateway
RS-485 IoT Gateway

The IoT Gateway can realize the bi-directional transparent data transmission between RS-232/RS-485, Wi-Fi, and Ethernet. To understand the working this equipment, read our case study on RS-485 IoT Gateway. You can assign working details, make serial data and TCP/IP data package transparent transfer by the converter, and assign working details via Web Server or setup software with a simple configuration.

Hardware interface

The hardware interface of RS-485 consists of,

  • RS-232
  • RS-485
  • DC Barrel Jack Connector
  • Ethernet interface
  • Wi-Fi Antenna
  • Operating voltage between 5v-60v DC
  • Wi-Fi 802.11b/g/n compatibility
  • Ethernet upto 10Mbps
  • Dual core ARM controller
  • Hard reset Button
  • IP65 Casing
  • Static Resistant Plastic
RS-485 IoT Gateway


  • Support RS-232/RS-485 to 802.11 a/b/g/n WLAN Serial Device Server and Wi-Fi @ 2.4GHz 802.11b/g/n wireless standards.
  • It handles the HTTP Client, UDP Client, TCP Client, UDP Server, and TCP Server modes.
  • It supports STA, AP, and STA+AP.
  • Support serial ports that are RS-232 or RS-485.
  • Inbuilt electrostatic shielding.
  • Supports heartbeat packet functionality.
  • Support the Websocket feature.
  • Support scheduling and timeout reset features.
  • Support the Web Server, install the program, and configure the serial/network AT command module.
  • Allow for hardware reloading.
RS-485 IoT Gateway Solution


RS-485 IoT Gateway Solution
Ethernet 1x LAN port
Wifi 1 x 802.11b/g/n Wi-Fi interface
Buffer (Rx/TX) Max 16K bytes
Protection 2 KV Electromagnetic isolation for Ethernet port
Network Protocol IP/TCP/UDP/DHCP/DNS/https/ARP/ ICMP/WebSocket/https client
Speed Rate 10/100 Mbps
Wi-Fi Certificate FCC/CE
Wi-Fi 802.11 b/g/n
Frequency Range 2.412GHz-2.484GHz
RS-485 IoT Gateway
802.11b +19dBm(Max)
802.11g +18dBm(Max)
02.11n +17dBm(Max)
RS-485 IoT Gateway
802.11b -89dBm
802.11g -81dBm
802.11n -73dBm
RS-485 IoT Gateway
Interface Standard
RS232 300~460.8Kbps
RS-485 300~460.8Kbps
Input Voltage DC5~36V
Operating Temp. -40℃~ 85℃
Storage Temp. -40℃~ 125℃
Size: 86*82.5*25mm(L*W*H)
RS-485 IoT Gateway
Network Mode: Station/AP/AP+Station
Encryption WEP64/WEP128/TKIP/AES
Work Mode Transparent transmission, serial AT, https Client, ModbusTCP <=>Modbus RTU
Max. Client Number in TCP Server Mode 24
Configuration Web server

Frequently Asked Questions (FAQ)

Well, the RS-485/422/485 IoT Gateway allows communication between two devices. One of which could be a computer that's connected via Wi-Fi or Bluetooth, and the other can be any other device with an RS-485 port, such as a sensor, HVAC unit, or even another computer! It's perfect for connecting sensors to your home automation system without the need for Ethernet cabling!

The key benefits of RS-485 IoT Gateway over other serial communication methods include its ability to tolerate electrical noise, long cable runs, support for numerous slaves on a single connection, and quick data transmission speeds.

Want more information on the RS-485 IoT gateway? HashStudioz can help you in the best possible ways!!

The RS-485 IoT gateway is a device that enables seamless integration of RS-485 devices into Ethernet-based IoT networks, allowing for efficient data transmission and communication between industrial equipment and control systems.

An RS-485 to WiFi converter allows RS-485 devices to connect to wireless networks, providing flexibility and mobility in IoT applications where wired connections may be impractical or costly.

An RS-485 to TCP/IP converter facilitates the integration of RS-485 devices into TCP/IP-based networks, enabling remote monitoring, control, and data exchange in industrial IoT environments.

The RS-485 IoT gateway incorporates robust security features such as data encryption, authentication, and access control to ensure secure data transmission over Ethernet, WiFi, or TCP/IP networks.