AT+QMTPUBEX Command: Publish MQTT Messages with Extended Parameters - Cellular Communication

AT+QMTPUBEX is a command used in AT commands set for MQTT (Message Queuing Telemetry Transport) protocol in cellular communication. This command is used to publish a message to a specific topic on an MQTT broker server with extended parameters. It allows the user to specify various parameters such as the Quality of Service (QoS) level, the retained flag, the topic name, and the payload length. The exact syntax and usage of the AT+QMTPUBEX command may vary depending on the specific cellular module or device being used. It is recommended to refer to the documentation or datasheet of the cellular module or device for the specific command syntax and usage details.