[RochMesa@protonmail.com]

Hi..I see a huge value in using Node RED, not really on the gateway but in the cloud instead, after the routing, deduplication and decryption by open source TTN components.
If you do want to use Node RED on the gateway for other (local area network) purposes, you could indeed forward the raw LoRa packets using MQTT to a TTN router. That is indeed possible as we are offering a MQTT broker too.

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