Looking for the best MQTT gateways to enhance your IoT setup? Discover our top 10 picks for seamless connectivity and efficient communication in your modern IoT environment.
MQTT gateways are essential tools for modern IoT setups. They connect devices and streamline data flow. These gateways are key to efficient communication.
They support various protocols like Modbus and RS485. This makes them perfect for industrial use. Users find them easy to set up and reliable.
With MQTT gateways, you can unlock seamless connectivity. They bridge devices and cloud platforms. Explore our guide to find the best fit for your needs.
List of Top 10 MQTT Gateways
| Image | Title | Best For | Price |
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Waveshare RS485 to WiFi/Ethernet Module Rail-Mount Serial Server Modbus MQTT Gateway |
This RS485 to WiFi/Ethernet Module is perfect for industrial users needing a reliable data gateway. It’s ideal for data acquisition, IoT projects, and monitoring systems. |
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PUSR Serial to Dual Band WiFi Converter RS485 to WiFi Converter Modbus Gateway with MQTT IEEE802.11 a/b/g/n USR-DR164 |
This product is perfect for anyone who needs to connect RS485 devices to WiFi easily. It’s great for saving space and simple to set up with the Smart APlink APP. |
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RS232/485 to WiFi POE Ethernet Serial Server Converter, Modbus/MQTT Gateway, Support Serial to WIFI, Serial to Ethernet, Ethernet to WIFI, Serial to HTTPD Client etc. DC 6~36V/PoE Power Supply |
This product is perfect for engineers, IT teams, and industrial users who need fast, stable links between serial devices and network systems. It’s great for anyone who wants simple, strong, and flexible RS232/485 to WiFi or Ethernet connections. |
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LM Gateway 101- IoTLite 、IoT Data to the Cloud，Support for Modbus, BACnet, OPC UA, IEC 104, MQTT Protocols，RS485& LAN |
The LM Gateway 101- IoTLite is perfect for businesses that need to connect industrial devices to the cloud. It’s ideal for anyone using Modbus, BACnet, OPC UA, IEC 104, or MQTT protocols. |
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PUSR RS485 Serial to Ethernet Converter MQTT TCP to RTU Gateway 1 Port USR-N510 |
This converter is perfect for small factories that need secure and reliable serial‑to‑cloud links. It uses MQTT, offers SSL/TLS encryption, and has built‑in redundant power for steady uptime. |
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Waveshare RS485 to WiFi/Ethernet Serial Server, Modbus MQTT Gateway, Rail-Mount, Compact Size, Industrial Gateway, Motherboard, Mini ITX |
This RS485 to WiFi/Ethernet Serial Server is perfect for industrial users needing a compact, cost-effective solution to connect RS485 devices to WiFi or Ethernet networks. It’s easy to install and supports Modbus, MQTT, and HTTP functions, making it ideal for automation and data monitoring. |
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waveshare RS232/485 to WiFi and Ethernet Converter Serial Server, Modbus Gateway, MQTT Gateway,Serial Port to HTTPD Client, Allow Serial Port to WiFi, Serial Port to Ethernet, Ethernet to WiFi |
This RS232/485 to WiFi and Ethernet Converter is perfect for anyone who needs to connect industrial devices to modern networks. It’s ideal for factories, warehouses, or any setup where reliable data transfer 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 easy. |
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SSTCOMM Modbus RS485 to WAN MQTT Gateway GT100-MQ-RS |
This gateway is made for plant managers who need to connect PLCs and field instruments to the cloud. It lets them send data to Azure, AWS, or any MQTT server with a single, easy‑to‑install device. |
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waveshare 2-Ch RS485 to POE Ethernet Converter Industrial Isolated Serial Server, 2-Ch RS485 Independent Operation, Dual POE ETH Ports, Modbus Gateway MQTT Gateway JSON Support, Rail-Mount Metal Case |
This Waveshare 2-Ch RS485 to POE Ethernet Converter is perfect for industrial settings. It’s ideal for upgrading Modbus networks and connecting devices in factories, warehouses, or automation systems. |
Detailed Reviews
Discover the top 10 MQTT Gateways tailored for your needs. Each product is expertly reviewed for performance, features, and value. Whether you prioritize reliability or affordability, this guide ensures you find the perfect match. Dive in to explore the best options and make an informed choice with confidence.
1. Waveshare RS485 to WiFi/Ethernet Module Rail-Mount Serial Server Modbus MQTT Gateway
The Waveshare RS485 to WiFi/Ethernet Module is a powerful IoT gateway designed for industrial environments. It connects devices and collects data efficiently.
It supports RS485, WiFi, and Ethernet, making it versatile for various setups. The rail-mount design ensures easy installation and durability.
This module is compact and flame-retardant, ideal for data acquisition and monitoring. Power supply is not included, so check the manual carefully.
| Pros | Cons |
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Perfect For:
This RS485 to WiFi/Ethernet Module is perfect for industrial users needing a reliable data gateway. It’s ideal for data acquisition, IoT projects, and monitoring systems.
Ready to Purchase?
2. PUSR Serial to Dual Band WiFi Converter RS485 to WiFi Converter Modbus Gateway with MQTT IEEE802.11 a/b/g/n USR-DR164
The PUSR Serial to Dual Band WiFi Converter is a compact device that connects your RS485 systems to WiFi. It supports 2.4G and 5.8G bands for reliable connectivity. Its “Lipstick” size saves valuable space in your setup.
It acts as a Modbus Gateway, converting Modbus TCP to RTU seamlessly. This makes it ideal for industrial applications. The Smart APlink APP ensures easy configuration without hassle.
With MQTT support, it enhances data communication efficiency. Its IEEE802.11 a/b/g/n compatibility ensures wide network support. The USR-DR164 is a versatile solution for modern connectivity needs.
| Pros | Cons |
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Perfect For:
This product is perfect for anyone who needs to connect RS485 devices to WiFi easily. It’s great for saving space and simple to set up with the Smart APlink APP.
Ready to Purchase?
3. RS232/485 to WiFi POE Ethernet Serial Server Converter, Modbus/MQTT Gateway, Support Serial to WIFI, Serial to Ethernet, Ethernet to WIFI, Serial to HTTPD Client etc. DC 6~36V/PoE Power Supply
The RS232/485 to WiFi POE Ethernet Serial Server Converter is a multi-functional device. It combines serial server, Modbus gateway, MQTT gateway, and more. It supports serial to WiFi, serial to Ethernet, and Ethernet to WiFi connections.
This device works with RS232, RS485, WiFi, and Ethernet interfaces. It supports PoE power supply and DC 6~36V input. The industrial-grade design includes wall-mount and rail-mount options.
It offers TCP/UDP server/client modes and AP/STA/AP+STA wireless modes. Configuration is easy with AT commands and customized packets. It’s a reliable solution for industrial networking needs.
| Pros | Cons |
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Perfect For:
This product is perfect for engineers, IT teams, and industrial users who need fast, stable links between serial devices and network systems. It’s great for anyone who wants simple, strong, and flexible RS232/485 to WiFi or Ethernet connections.
Ready to Purchase?
4. LM Gateway 101- IoTLite 、IoT Data to the Cloud，Support for Modbus, BACnet, OPC UA, IEC 104, MQTT Protocols，RS485& LAN
The LM Gateway 101-IoTLite makes it easy to link devices and send data to the cloud. It works fast and stays stable.
It supports many industrial protocols. It links to the cloud with steady data flow. It lets you use JS scripts to shape how it works.
It can set alerts based on simple rules. It is easy to set up with clear tools. It shows real data through a clean HTTP page.
| Pros | Cons |
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Perfect For:
The LM Gateway 101- IoTLite is perfect for businesses that need to connect industrial devices to the cloud. It’s ideal for anyone using Modbus, BACnet, OPC UA, IEC 104, or MQTT protocols.
Ready to Purchase?
5. PUSR RS485 Serial to Ethernet Converter MQTT TCP to RTU Gateway 1 Port USR-N510
The PUSR RS485 Serial to Ethernet Converter is a powerful gateway that connects devices to the internet. It supports secure communication with TCPS, HTTPS, and MQTTS protocols. This ensures safe data transfer for your IoT projects.
With SSL/TLS encryption, it protects data in TCP, HTTP, and MQTT modes. It works with AWS, OneNET, and Alibaba IoT platforms. Its high reliability and redundant power supply make it a dependable choice.
| Pros | Cons |
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Perfect For:
This converter is perfect for small factories that need secure and reliable serial‑to‑cloud links. It uses MQTT, offers SSL/TLS encryption, and has built‑in redundant power for steady uptime.
Ready to Purchase?
6. Waveshare RS485 to WiFi/Ethernet Serial Server, Modbus MQTT Gateway, Rail-Mount, Compact Size, Industrial Gateway, Motherboard, Mini ITX
The Waveshare RS485 to WiFi/Ethernet Serial Server is a compact, industrial gateway. It connects RS485 devices to WiFi or Ethernet. This cost-effective solution is easy to install.
It supports multiple modes, like TCP Server, TCP Client, UDP Server, and UDP Client. It also handles HTTPD Client Mode and MQTT functions for flexible data exchange.
The rail-mount design fits industrial setups. It works with Modbus TCP and RTU, making it ideal for automation. A 12V DIN-Rail power supply is recommended for use.
| Pros | Cons |
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Perfect For:
This RS485 to WiFi/Ethernet Serial Server is perfect for industrial users needing a compact, cost-effective solution to connect RS485 devices to WiFi or Ethernet networks. It’s easy to install and supports Modbus, MQTT, and HTTP functions, making it ideal for automation and data monitoring.
Ready to Purchase?
7. waveshare RS232/485 to WiFi and Ethernet Converter Serial Server, Modbus Gateway, MQTT Gateway,Serial Port to HTTPD Client, Allow Serial Port to WiFi, Serial Port to Ethernet, Ethernet to WiFi
The Waveshare RS232/485 to WiFi and Ethernet Converter is a powerful IoT gateway for industrial use. It connects serial devices to WiFi and Ethernet, making data sharing easy.
It has RS232, RS485, WiFi, and Ethernet ports. Supports wide voltage input and screw terminals for power.
It works in transparent mode and supports TCP, UDP, AP, and STA modes. Configure it via web browser, serial port, or AT commands for flexible setup.
| Pros | Cons |
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Perfect For:
This RS232/485 to WiFi and Ethernet Converter is perfect for anyone who needs to connect industrial devices to modern networks. It’s ideal for factories, warehouses, or any setup where reliable data transfer is key.
Ready to Purchase?
8. 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 a compact and powerful tool. It connects RS485 devices to Ethernet networks, making data transmission simple and reliable.
It supports advanced features like timeout restart and DHCP, and works seamlessly with Modbus Gateway for remote monitoring. Easy to use, it’s perfect for field devices and industrial systems.
| 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 easy.
Ready to Purchase?
9. SSTCOMM Modbus RS485 to WAN MQTT Gateway GT100-MQ-RS
The SSTCOMM GT100-MQ-RS makes device links fast and smooth. It sends data to the Cloud with ease.
It links many PLCs and tools. It moves data with the MQTT way. It keeps each step clear.
It works with Azure, AWS, and more. It fits many needs. It stays simple for all.
| Pros | Cons |
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Perfect For:
This gateway is made for plant managers who need to connect PLCs and field instruments to the cloud. It lets them send data to Azure, AWS, or any MQTT server with a single, easy‑to‑install device.
Ready to Purchase?
10. waveshare 2-Ch RS485 to POE Ethernet Converter Industrial Isolated Serial Server, 2-Ch RS485 Independent Operation, Dual POE ETH Ports, Modbus Gateway MQTT Gateway JSON Support, Rail-Mount Metal Case
The Waveshare 2-Ch RS485 to POE Ethernet Converter is a powerful industrial tool. It connects RS485 devices to Ethernet networks. Its dual POE ports offer flexible communication.
It supports Modbus, MQTT, and JSON protocols. This makes it ideal for protocol conversion. It also works with TCP, UDP, and multicast modes.
Its compact, rail-mount design fits industrial settings. It has built-in protection for safe, stable operation. The wide voltage range ensures reliable power supply.
| Pros | Cons |
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Perfect For:
This Waveshare 2-Ch RS485 to POE Ethernet Converter is perfect for industrial settings. It’s ideal for upgrading Modbus networks and connecting devices in factories, warehouses, or automation systems.
Ready to Purchase?
Buying Guide
MQTT gateways are key tools for modern IoT setups. They connect devices and streamline data flow. This guide helps you find the best fit for your needs.
Buying the Best MQTT Gateway: A Pro Guide
Choosing the right MQTT gateway can boost your IoT setup. Here’s what to consider:
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Protocols Supported:
Ensure it works with Modbus, RS485, and other protocols you use. This makes it versatile for your needs. -
Connectivity Options:
Look for WiFi, Ethernet, or PoE support. This ensures reliable and flexible connections. -
Ease of Setup:
Pick a gateway with simple configuration. Tools like web interfaces or mobile apps make setup hassle-free. -
Industrial Design:
For tough environments, choose rail-mount or wall-mount options. Compact and durable designs are ideal. -
Power Supply:
Check if it supports PoE, DC input, or wide voltage ranges. This ensures steady power in any setup. -
Security Features:
Look for SSL/TLS encryption and secure protocols like MQTTS. This keeps your data safe. -
Cloud Compatibility:
Ensure it works with AWS, Azure, or other cloud platforms. This makes data sharing seamless. -
Scalability:
Choose a gateway that can handle multiple devices. This ensures it grows with your needs. -
Cost-Effectiveness:
Balance features and price. A budget-friendly option with essential functions can be a great choice.
Explore these factors to find the perfect MQTT gateway for your IoT setup.