Modbus RS485 – Ethernet Gateway with WiFi & Digital Input

HashStudioz introduces a Modbus to LAN / WiFi Gateway, enhancing wireless data communication with secure two-way transmission. Our Smart Modbus Gateways Series simplifies data transfer from Modbus slaves to centralised servers via WiFi, supporting various devices like energy meters and PLCs. Configuration is remote and versatile, accessible via a web portal, PC utility, or server IP commands. With built-in smart data redundancy, data transfer reliability is ensured. A cloud-based graphic interface allows easy device management, facilitating the monitoring and control of RTU devices effortlessly.


  • Bridges Modbus TCP Ethernet and RS485 RTU serial networks
  • Modbus TCP: up to 10 Masters on hardwired ethernet and Wi-Fi interfaces simultaneously
  • Modbus RTU: up to 30 slave devices
  • Multiple connection points: 1 x Ethernet, 2 x RS485: R1 – Slave devices, R2 – RTU Master, WiFi
  • Serial data rate: up to 115.2 kbps
  • WiFi interface can be configured as a Client or Access Point / Hotspot
  • Ultra-compact DIN rail mount
  • The WiFi antenna is removable and has a standard SMA connector allowing external antennae to be utilised.
  • 12 – 24Vdc OR 24Vac input required


  • Fire and Security Panels
  • Vending Machines
  • Remote equipment management
  • Access Control
  • Industrial Control
  • Home Automation
  • Instrumentation
  • Power Management


Rtu Interface
2.4 GHz WiFi interface
Buffer (Rx/Tx)
Max 16K bytes
TCP/IP Protocol
Speed Rate
Data format
Input Voltage
6-30V DC
HTTP Methods
Configurable GET/POST
3mm pitch screw terminal blocks
Network Type
2G / 4G LTE
Network Model
Work Mode
Transparent transmission, Modbus RTU
Max. Slave
RS485 Modbus
RTU, Transparent
Baud rate
9600 – 115200 Kbps (SW selectable)
Power Supply
12V – 24 VDC
LED Indicator
Power, Net Act, Sim Status, LTE Status, Modbus Communication
Network Type
Operation Temperature
-6 – 60 °C
Wifi Certificate


Q1: What is a Modbus to LAN/WiFi Gateway?
  • A1: A Modbus to LAN/WiFi Gateway is a device designed to facilitate wireless data communication by bridging Modbus TCP Ethernet and RS485 RTU serial networks. It enables secure two-way transmission of data between Modbus slaves and central servers via LAN or WiFi connections.
Q2: Can the Modbus to LAN/WiFi Gateway support multiple Modbus slave devices simultaneously?
  • A2: Yes, the gateway supports connection to up to 30 Modbus slave devices, allowing for efficient data transfer from multiple sources to central servers.
Q3: What kind of technical support is available for the Modbus to LAN/WiFi Gateway?
  • A3: HashStudioz provides comprehensive technical support for the Modbus to LAN/WiFi Gateway, including assistance with installation, configuration, troubleshooting, and any other inquiries. Customers can reach out to our support team for prompt assistance and guidance.
Q4. What are the areas of application where this gateway can be utilized effectively?
  • A4. The 5 Analog Input Modbus RS485 Gateway can be employed in various sectors including intelligent irrigation, automated parking, logistics management, utility supervision, and industrial automation systems, among others.
Q5. How does this gateway ensure seamless communication with legacy devices?
  • A5. Operating in half-duplex mode, it requires only two wires for transmitting and receiving data, making it compatible with legacy systems.


Q1. What is the purpose of a 4G-LTE RS485 Modbus Gateway with 5 Digital Inputs?
  • A1: The 4G-LTE RS485 Modbus Gateway with 5 Digital Inputs is designed to enable communication between remote devices using Modbus protocol over a 4G-LTE network. It also allows monitoring of up to 5 digital input signals with a minimum read time of 0.5 seconds.
Q2. Is it possible to expand the number of digital inputs?
  • A2: No, the 4G-LTE Modbus Gateway is designed with a fixed number of 5 digital inputs. In case more inputs are needed, you may need to use additional gateways or external devices to aggregate and communicate signals.
Q3. What are the main features of the 4G-LTE RS485 Modbus Gateway?
  • A3: The main features of this gateway include:
    • 4G-LTE connectivity for remote communication
    • RS485 interface for connecting Modbus devices
    • 5 digital input channels for monitoring signals
    • Support for Modbus RTU and Modbus ASCII protocols
    • Built-in SIM card slot for mobile network connectivity
    • Secure and reliable communication with encryption and authentication
Q4. Is the gateway compatible with all Modbus devices?
  • A4: The gateway supports both Modbus RTU and Modbus ASCII protocols, making it compatible with a wide range of Modbus devices. For specific compatibility details, consult the gateway's documentation or contact the manufacturer.
Q5: How can digital inputs be utilized?
  • A4: The 4G-LTE Modbus Gateway has 5 digital input channels that can monitor the status of various devices or signals. For example, they can monitor the status of sensors, switches, alarms, or any other digital signal. It is possible to configure the input channels to trigger specific events or actions based on detected signal changes.
Q6. Can the gateway be accessed remotely for configuration and monitoring?
  • A6: Yes, the 4G-LTE Modbus Gateway can be remotely accessed through the mobile network connection. There are many methods for remotely configuring, monitoring, and retrieving data, including web-based interfaces, APIs, or specific software provided by the manufacturer.
Q7. What is the power supply requirement for the 4G-LTE Modbus Gateway?
  • A7: Typically, the gateway operates on a 12V DC power supply, but it's always recommended to refer to the product's specifications or user manual for accurate power supply requirements.
Q8. Does the gateway offer any security features?
  • A8: Yes, the 4G-LTE Modbus Gateway has built-in security features to protect communication and data integrity. These include encryption, authentication, and secure protocols to ensure a secure connection between the gateway and the connected devices.