A Dragino LoRa or LoRaWAN gateway can do more than receive wireless sensor packets. With MQTT forwarding enabled, it can publish uplink data from the LoRa network to an MQTT broker, and it can also subscribe to MQTT topics for downlink traffic back toward devices. That makes MQTT a useful bridge between field sensors and the software that consumes their data. A temperature node, water meter, door sensor, or custom LoRa device can send data to the gateway. The gateway then for