UNIT MQTT PoE is an Ethernet MQTT communication module, supports PoE power and embedded W5500 Ethernet chip, as well as the UART communication interface (AT command control). The module is also equipped with an integrated RJ45 10 / 100 Mb network port, supports subscription of four topics (topic). With extremely low network latency and high stability, it is designed for industrial automation, security monitoring system, automation measurement, and equipment data on the cloud applications.