4G IIoT RTU​

DOM-311-TSO

  • Product Status (Revision A1_v1.1): Live
  • 4G with one SIM slot for cellular WAN
  • 1 x Fast Ethernet port
  • 3 x Digital Input
  • 2 x Digital Output
  • 1 x (RS-232 or RS-485) Serial port
  • Supports Modbus TCP/RTU/ASCII Master/Slave Access
  • Durable zinc-plated steel case is corrosion-resistant to ensure device longevity
  • -30 to 70°C operating temperature to resist harsh environments
  • Wide Voltage Range Input: DC 9-36V
  • DIN-rail mounting allows for optimal device placement

Shipping Globally | Coming Soon to North America


Download the datasheet.

Where to buy

User Benefits​

Modbus Compatibility

Compatible with various Modbus TCP/RTU/ASCII protocols for IIoT legacy device integration.

IIoT Telemetry

Collect valuable data from remote sensors and devices for processing, analysis, and monitoring.

Enhanced Security with VPN Protection

Increase Protection of sensitive data transmission via VPN tunnels to help prevent unauthorized network access.

IT/OT Integration​

Converge business and production functions for access to real-time actionable data and analytics.

Industrial-Grade Durability

Corrosion-resistant zinc-plated steel casing and robust design ensure reliable operation in harsh environments.

Centralized Management

Conveniently manage remote devices from anywhere via the D-ECS management platform.​

Seamless IT/OT Integration for Enhanced Operational Efficiency​

The DOM-311-TSO 4G IIoT RTU (Remote Terminal Unit) is key to converging business operations with production processes, offering advantages such as enhanced decision-making, streamlined process automation, preventive maintenance, and maximized production output. Leveraging reliable 4G connectivity, it facilitates quick integration of remote sensors, devices, and machinery, ensuring centralized manageability and boosting competitive edge.​

With its multi-interface compatibility including RS-232/485 and digital I/O (DI/DO), the DOM-311-TSO promptly responds to IoT sensor criteria and enables digital output to end devices in the OT field, improving responsiveness and automation in industrial applications. It supports various industrial communication protocols and utilizes the Modbus transfer protocol between RTU and TCP, simplifying integration into complex automation and remote control systems, thus enhancing operational efficiency and system reliability.​

Data Telemetry​

The DOM-311-TSO provides centralized control for data acquisition from remote devices via Modbus TCP, RTU, and ASCII protocols to streamline monitoring and analytics. With multi-interface compatibility, including RS-232/485 and digital I/O (DI/DO), the device enables real-time data transfer to the control center, providing comprehensive insights and improved operational efficiency.

Data telemetryDOM311TSO560x480

Robust Build Quality​

The DOM-311-TSO supports reliable M2M connectivity with a durable zinc-plated steel casing, flexible voltage input, and tolerance for a wide range of temperatures and humidity levels. Its construction is well-suited for challenging deployment scenarios, including industrial and outdoor settings. The compact DIN-rail design offers flexible mounting options, helping integrators position the device where signal strength and installation efficiency can be optimized.

1 Data rates are theoretical. Data transfer rate depends on network capacity and signal strength.​

Related Products

4G IIoT Gateway
DOM-530-TSO
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5G IIoT Gateway
DOM-550-GSO
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Seamless Integration for Environmental Monitoring​

The DOM-311-TSO 4G IIoT RTU brings greater flexibility to environmental monitoring and industrial automation with its combination of 4G and Ethernet connectivity. Designed to bridge modern and legacy systems, it supports interfaces such as Modbus TCP/RTU/ASCII, RS-232/485, Ethernet, and Digital I/O—making it easier to connect a range of devices without overhauling existing infrastructure. This can help extend the life of current systems and reduce transition costs.

Its intuitive web-based interface allows for quick configuration from any browser, simplifying deployment and management in the field. With the ability to link to sensors, digital I/O modules, and industrial PCs, the DOM-311-TSO adapts to a wide range of monitoring scenarios. From flood detection and air quality monitoring to livestock management, fish farming, disaster response, and smart agriculture, it supports more informed decision-making through consistent data collection and streamlined operations.


Applications​

Flood
Monitoring​

Water-level detection systems provide real-time data for flood warnings.

Air Quality
Monitoring

Pollutant sensors alert when air quality thresholds are reached.

Landslide
Detection

Vibration sensor nodes provide early warnings for landslide hazards.

Wastewater
Monitoring​

Turbidity meters measure wastewater particles to assess quality compliance.​

Cellular
4G LTE
SIM
1 x SIM
Number of Digital I/O Ports
3 x DI
2 x DO
Number of Serial Ports
1 x RS-232
1 x RS-485
Ethernet Ports
1 x LAN
Ethernet Speed
10/100 Mbps Ports
Modbus
Modbus TCP/RTU/ASCII
Network
IPv4/v6
Port Forwarding
DHCP Server
NAT
Management
Web UI
SMS
D-ECS
Power Input
DC 9V-36V
VPN
OpenVPN
WAN
Cellular