MQTT PoE Unit is an Ethernet module designed for MQTT (Message Queuing Telemetry Transport) communication. It supports Power over Ethernet (PoE) for power supply and incorporates the W5500 Ethernet chip for network connectivity. The module also features a UART communication interface for AT command control.The module is equipped with an integrated RJ45 10/100 Mb network port, enabling seamless connection to Ethernet networks. It supports the subscription of four topics, allowing for efficient and flexible communication with MQTT brokers or servers.With its low network latency and high stability, MQTT PoE Unit is specifically designed for industrial automation, security monitoring systems, automation measurement, and equipment data on cloud applications. It ensures reliable and efficient communication between devices and the cloud, facilitating real-time data exchange and control.The use of Power over Ethernet simplifies the module’s power supply requirements, reducing wiring complexity and installation costs. The embedded W5500 Ethernet chip provides reliable and fast network connectivity, ensuring smooth communication.