Message Composer

0 bytes LoRaWAN downlink size depends on data rate.
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Notes

This page sends a LoRaWAN downlink through ChirpStack. Select a device or enter its DevEUI, compose a payload, and send. Payloads are base64-encoded for ChirpStack. If your ChirpStack REST API expects camelCase JSON, set CHIRPSTACK_REST_USE_PROTO_NAMES=false.