/data-subs/index.html N-Hub supports transparent PUSH of messages from each device through data subscriptions. Multiple data subscription options are available as well as a MQTT Connector/Broker. Data subscriptions Every new incoming reading matching an existing subscription is put on a queue for delivery. The queue is then flushed every 10 to 3600 seconds (approx) to the specified endpoint. Hugo en Mon, 01 Jan 0001 00:00:00 +0000 /data-subs/custom-meta/index.html Mon, 01 Jan 0001 00:00:00 +0000 /data-subs/custom-meta/index.html N-Hub V3 offers a support for custom metadata to be associated with each LoRaWAN or Cellular device. The customMeta object acts as key-value pair container where the value can be a string, boolean (true or false), a list of strings or a list of numbers like in the the following Typescript type definition: customMeta: Record<string, string|number|boolean|string[]|number[]>; Rationale You can use the custom metadata field to add custom device and/or project related information that is useful to further differenciate a device once it’s installed in the field. /data-subs/mqtt/index.html Mon, 01 Jan 0001 00:00:00 +0000 /data-subs/mqtt/index.html N-Hub supports a MQTT connection option to send and receive messages from LoRaWAN devices using a permanent MQTT Connection For getting data in MQTT topics one needs to: Create an MQTT subscription for one’s enterprise or group of devices Create, download and configure their MQTT client to use X509 client certificate for authentication Managing MQTT Subscriptions N-Hub stops sending data to MQTT by default. If you need to get uplinks and downlinks for your enterprise or group of devices you need to create an MQTT subscription.