Looking for the best Modbus gateways?
We’re offering a list of ten top picks that will upgrade your industrial network.
Modbus gateways are essential tools for industrial connectivity. They bridge the gap between older serial devices and modern Ethernet networks. This simple yet powerful technology keeps your systems running smoothly.
Choosing the right Modbus gateway can transform your operations. It ensures seamless communication and boosts efficiency. With the best options, you’ll future-proof your setup.
Ready to upgrade your industrial network? Explore our top picks for reliable, easy-to-use Modbus gateways. Find the perfect match for your needs and stay ahead in the industrial game.
List of Top 10 Modbus Gateways
| Image | Title | Best For | Price |
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Moxa Americas,Inc. – MGATE MB3170-1 Port Modbus TCP to Serial Communication Gateway |
The MGATE MB3170-1 is perfect for anyone needing simple, flexible Modbus communication. It’s ideal for connecting devices in industrial settings, making integration easy and reliable. |
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waveshare Ethernet Industrial Serial Server RS485 to RJ45 Ethernet Module, TCP/IP to Serial, Support Rail-Mount/Modbus Gateway, TCP Server/TCP Client/UDP Mode/UDP Multicast Multi Communication Modes |
This product is perfect for industrial professionals managing Modbus networks or IoT gateways who need reliable RS485 to Ethernet communication. It’s ideal for engineers deploying data acquisition systems or managing multi-host communication in harsh environments. |
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PUSR DR302 DIN Rail Modbus Gateway Modbus RTU to Modbus TCP RS485 to Ethernet Converter |
The PUSR DR302 DIN Rail Modbus Gateway is perfect for anyone needing a simple, reliable way to connect RS485 devices to Ethernet networks. It’s ideal for industrial settings where easy setup and compact design matter most. |
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PUSR RS232 RS485 Modbus RTU to Modbus TCP Gateway Serial to Ethernet Converter USR-TCP232-410s |
This tool is great for engineers and tech teams who need fast, clear links between serial gear and network systems. It is also ideal for anyone who wants a simple, steady, and smart way to move data with ease. |
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PUSR TCP232-306 RS232 RS485 RS422 to Ethernet TCP IP Modbus Gateway Serial Device Server Serial to ethernet converters |
This product is perfect for anyone needing to connect serial devices to an Ethernet network. It’s ideal for industrial or commercial use where reliable and stable communication is key. |
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PUSR Din Rail “Lipstick” RS485 to Ethernet Serial Device Server Modbus Gateway RTU to TCP Rich Protocols MQTT/TCP/UDP/HTTP Edge Computing USR-DR134 |
The PUSR Din Rail “Lipstick” RS485 to Ethernet Serial Device Server is perfect for anyone needing to connect serial devices to Ethernet networks. It’s ideal for PLC, SCADA, or private server setups, making remote monitoring simple and efficient. |
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Moxa | Protocol Gateways, 1-Port, Modbus Gateway, MGate MB3180/MB3280/MB3480 Series |
The Moxa Protocol Gateways are perfect for anyone needing to connect Modbus devices easily. Whether you’re setting up a small system or managing complex networks, these gateways make it simple and flexible. |
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LINOVISION 4 Ports RS485 to Ethernet Converter, Modbus Gateway, Modbus RTU/TCP Conversion, Edge Computing, 4-Port Serial Device Server, RS485 to TCP/IP Convertor, Processor Upgraded |
This LINOVISION 4 Ports RS485 to Ethernet Converter is perfect for anyone who needs to connect multiple RS485 devices to Ethernet networks for remote monitoring and control. It’s ideal for industries with high security needs and those looking to reduce server load with edge computing. |
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TRENDnet 4-Port Fast Ethernet Industrial Modbus Gateway, 4 x Serial DB-9 Ports, 2 x Fast Ethernet Ports, Up to 100m (328 ft), IP30 Rated Housing, Extreme Temperature Protection, Black, TI-M42 |
The TRENDnet 4-Port Fast Ethernet Industrial Modbus Gateway is perfect for businesses needing reliable, secure networking in extreme conditions. It’s ideal for government projects and industrial settings where durability and compliance matter most. |
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Waveshare Industrial Serial Server RS485 to RJ45 Ethernet TCP/IP to Serial Module Support Rail-Mount Modbus Gateway |
This RS485 to RJ45 Ethernet module is perfect for industrial users needing reliable data transmission. It’s ideal for IoT projects, smart monitoring, and Modbus applications. |
Detailed Reviews
Discover the top 10 Modbus Gateways carefully selected for performance, features, and value. This guide simplifies your choice, ensuring you find the perfect fit for your needs. Dive in to explore the best options and make an informed decision with confidence.
1. Moxa Americas,Inc. – MGATE MB3170-1 Port Modbus TCP to Serial Communication Gateway

The MGATE MB3170-1 is a Modbus TCP to Serial Communication Gateway. It simplifies device connections in industrial settings. This gateway is easy to set up and use.
It supports Auto Device Routing, making configuration quick. You can route by TCP port or IP address for flexible deployment.
The gateway connects up to 32 Modbus TCP servers and 31 or 62 Modbus RTU/ASCII slaves. It also allows access by 32 Modbus TCP clients, retaining 32 requests for each Master.
| Pros | Cons |
|---|---|
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Perfect For:
The MGATE MB3170-1 is perfect for anyone needing simple, flexible Modbus communication. It’s ideal for connecting devices in industrial settings, making integration easy and reliable.
Ready to Purchase?
2. waveshare Ethernet Industrial Serial Server RS485 to RJ45 Ethernet Module, TCP/IP to Serial, Support Rail-Mount/Modbus Gateway, TCP Server/TCP Client/UDP Mode/UDP Multicast Multi Communication Modes

The Waveshare Ethernet Industrial Serial Server is a powerful tool for industrial environments. It connects RS485 devices to Ethernet networks seamlessly. This compact module supports Modbus, MQTT, and JSON protocols.
It offers multi-communication modes like TCP, UDP, and multicast. The rail-mount design allows easy installation and expansion. It also supports NTP for accurate time synchronization.
With user-defined packets, it simplifies cloud communication. The roll-polling feature ensures no crosstalk between devices. This versatile module is ideal for IoT and industrial upgrades.
| Pros | Cons |
|---|---|
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Perfect For:
This product is perfect for industrial professionals managing Modbus networks or IoT gateways who need reliable RS485 to Ethernet communication. It’s ideal for engineers deploying data acquisition systems or managing multi-host communication in harsh environments.
Ready to Purchase?
3. PUSR DR302 DIN Rail Modbus Gateway Modbus RTU to Modbus TCP RS485 to Ethernet Converter

The PUSR DR302 is a Modbus gateway that converts Modbus RTU to Modbus TCP. It’s compact, light, and easy to use. Perfect for industrial setups, it simplifies RS485 to Ethernet connections.
It supports TCP/UDP server/client and Virtual COM, making it versatile. The RS485 port is industrial-grade, ensuring reliable performance.
| Pros | Cons |
|---|---|
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Perfect For:
The PUSR DR302 DIN Rail Modbus Gateway is perfect for anyone needing a simple, reliable way to connect RS485 devices to Ethernet networks. It’s ideal for industrial settings where easy setup and compact design matter most.
Ready to Purchase?
4. PUSR RS232 RS485 Modbus RTU to Modbus TCP Gateway Serial to Ethernet Converter USR-TCP232-410s

The PUSR RS232 RS485 Modbus RTU to Modbus TCP Gateway is a serial to Ethernet converter. It connects devices easily.
It has dual serial ports for RS232 and RS485, which can work at the same time. It also has a redundant power supply for reliable operation.
You can configure it via webpage, AT command, or setup software. It supports TCP Server/Client, UDP Server/Client, and HTTPD Client modes.
| Pros | Cons |
|---|---|
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Perfect For:
This tool is great for engineers and tech teams who need fast, clear links between serial gear and network systems. It is also ideal for anyone who wants a simple, steady, and smart way to move data with ease.
Ready to Purchase?
5. PUSR TCP232-306 RS232 RS485 RS422 to Ethernet TCP IP Modbus Gateway Serial Device Server Serial to ethernet converters

The PUSR TCP232-306 is a powerful serial-to-Ethernet converter. It turns RS232, RS485, and RS422 signals into Ethernet TCP/IP easily.
It has a fast ARM core and optimized TCP/IP stack. It supports Modbus RTU to Modbus TCP and multi-host polling.
With hardware and software watchdog, it restarts automatically if it fails. It also has a 10/100Mbps Ethernet port and Auto MDI/MDIX support.
| Pros | Cons |
|---|---|
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Perfect For:
This product is perfect for anyone needing to connect serial devices to an Ethernet network. It’s ideal for industrial or commercial use where reliable and stable communication is key.
Ready to Purchase?
6. PUSR Din Rail “Lipstick” RS485 to Ethernet Serial Device Server Modbus Gateway RTU to TCP Rich Protocols MQTT/TCP/UDP/HTTP Edge Computing USR-DR134

The USR-DR134 is a compact and powerful device. It connects RS485 to Ethernet seamlessly. This tiny tool simplifies data transmission.
It supports Modbus Gateway, linking to PLC or SCADA systems. Advanced features like DHCP and heartbeat packets are included. It ensures reliable and efficient communication.
This device is perfect for edge computing. It handles MQTT, TCP, UDP, and HTTP protocols. The USR-DR134 is your go-to for smart and efficient connectivity.
| Pros | Cons |
|---|---|
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Perfect For:
The PUSR Din Rail “Lipstick” RS485 to Ethernet Serial Device Server is perfect for anyone needing to connect serial devices to Ethernet networks. It’s ideal for PLC, SCADA, or private server setups, making remote monitoring simple and efficient.
Ready to Purchase?
7. Moxa | Protocol Gateways, 1-Port, Modbus Gateway, MGate MB3180/MB3280/MB3480 Series

The Moxa MGate MB3180/MB3280/MB3480 series makes Modbus links simple and fast. It gives you smooth protocol change with clear, easy setup.
It is quick to set up. It is simple to use. It works with many Modbus systems.
You get Auto Device Routing and flexible TCP or IP-based routing. It supports Modbus TCP to RTU/ASCII change with ease. It also handles many masters at once for strong, stable work.
| Pros | Cons |
|---|---|
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Perfect For:
The Moxa Protocol Gateways are perfect for anyone needing to connect Modbus devices easily. Whether you’re setting up a small system or managing complex networks, these gateways make it simple and flexible.
Ready to Purchase?
8. LINOVISION 4 Ports RS485 to Ethernet Converter, Modbus Gateway, Modbus RTU/TCP Conversion, Edge Computing, 4-Port Serial Device Server, RS485 to TCP/IP Convertor, Processor Upgraded

The LINOVISION 4 Ports RS485 to Ethernet Converter connects your RS485 devices to Ethernet for remote control and monitoring. It acts as a Modbus Gateway, converting Modbus RTU/TCP signals for smooth communication. Its edge computing feature processes data locally, reducing server load and boosting reliability.
It offers 5 work modes, SSL/TLS encryption for data security, and a free cloud service for up to 30 devices. Its industrial design and upgraded processor ensure durability and efficient performance.
| Pros | Cons |
|---|---|
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Perfect For:
This LINOVISION 4 Ports RS485 to Ethernet Converter is perfect for anyone who needs to connect multiple RS485 devices to Ethernet networks for remote monitoring and control. It’s ideal for industries with high security needs and those looking to reduce server load with edge computing.
Ready to Purchase?
9. TRENDnet 4-Port Fast Ethernet Industrial Modbus Gateway, 4 x Serial DB-9 Ports, 2 x Fast Ethernet Ports, Up to 100m (328 ft), IP30 Rated Housing, Extreme Temperature Protection, Black, TI-M42

The TRENDnet 4-Port Fast Ethernet Industrial Modbus Gateway connects four serial devices to a network. It has 4 DB-9 ports and 2 Fast Ethernet ports, making it easy to integrate with existing systems. Its IP30-rated housing ensures durability in tough environments.
This gateway works in extreme temperatures, from -40° to 75° C. It supports RS-232, RS-422, and RS-485 protocols for flexible connectivity. The DIN-Rail and wall mount options make installation simple.
With lifetime protection and NDAA + TAA compliance, this gateway is reliable and trusted. It offers web, Telnet, and Windows-based management for easy configuration. The auto-MDI/MDIX feature ensures hassle-free setup.
| Pros | Cons |
|---|---|
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Perfect For:
The TRENDnet 4-Port Fast Ethernet Industrial Modbus Gateway is perfect for businesses needing reliable, secure networking in extreme conditions. It’s ideal for government projects and industrial settings where durability and compliance matter most.
Ready to Purchase?
10. Waveshare Industrial Serial Server RS485 to RJ45 Ethernet TCP/IP to Serial Module Support Rail-Mount Modbus Gateway

The Waveshare Industrial Serial Server is a powerful tool for industrial environments. It connects RS485 devices to Ethernet networks, making data acquisition easy. This compact module is designed for reliability and efficiency.
It supports multiple functions, including Modbus gateway, MQTT gateway, and RS485 to JSON conversion. The module features RS485 and Ethernet ports, with screw terminals for power input. It works with 9-24V power supplies, but requires a separate power source.
With its rail-mount design, this flame-retardant case is easy to install and ideal for data acquisition, IoT gateway, and intelligent monitoring applications. It enables bi-directional data transmission between RS485 and Ethernet, ensuring seamless communication.
| Pros | Cons |
|---|---|
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Perfect For:
This RS485 to RJ45 Ethernet module is perfect for industrial users needing reliable data transmission. It’s ideal for IoT projects, smart monitoring, and Modbus applications.
Ready to Purchase?
Buying Guide
Modbus gateways are essential tools for industrial connectivity. They bridge older devices with modern networks, keeping systems running smoothly. Choosing the right one can transform your operations.
Here’s what to consider when buying a Modbus gateway:
- Protocol Compatibility: Ensure it supports Modbus RTU, Modbus TCP, and other protocols like MQTT or JSON for flexible integration.
- Connectivity Options: Look for RS232, RS485, or Ethernet ports to match your device needs.
- Ease of Setup: Choose a gateway with simple configuration tools like web interfaces or AT commands.
- Scalability: Pick a model that supports multiple devices and masters for future growth.
- Durability: Opt for industrial-grade designs with extreme temperature protection and DIN-rail mounting.
- Security Features: Prioritize gateways with SSL/TLS encryption and heartbeat packets for reliable data transmission.
- Power Options: Check for redundant power supplies or wide voltage ranges (e.g., 9-24V) for uninterrupted operation.
- Edge Computing: Consider models with local data processing to reduce server load and boost efficiency.
- Cost and Value: Balance features with budget, ensuring lifetime protection or free cloud services for added value.
Explore our top picks to find the perfect match for your industrial needs and stay ahead in the game.