Sending messages downlink via MQTT: https://www.thethingsindustries.com/docs/integrations/mqtt/#publishing-downlink-traffic

Topics for messages at TTN: https://www.thethingsindustries.com/docs/integrations/mqtt/#publishing-downlink-traffic



v3/de-hottis-saerbeck-monitoring@ttn/devices/eui-43fa12f400006c88/up {"end_device_ids":{"device_id":"eui-43fa12f400006c88","application_ids":{"application_id":"de-hottis-saerbeck-monitoring"},"dev_eui":"43FA12F400006C88","join_eui":"A05781000112AAF4","dev_addr":"260BB631"},"correlation_ids":["as:up:01GQW8KCKH4QP0HAZVGX76ZQPJ","gs:conn:01GQRVYYF3VRDHPXJ9SMPKCVE9","gs:up:host:01GQRVYYFEKAKBBHKQ7DFZRZP7","gs:uplink:01GQW8KCD2RFP288RVG4Y08221","ns:uplink:01GQW8KCD2NB2KTYAHREKA6157","rpc:/ttn.lorawan.v3.GsNs/HandleUplink:01GQW8KCD20G5X5MQ4A573VJPQ","rpc:/ttn.lorawan.v3.NsAs/HandleUplink:01GQW8KCKGXRMKDG9YT39W7ZRG"],"received_at":"2023-01-28T13:20:51.824921712Z","uplink_message":{"session_key_id":"AYXz7SWyVscRWxJ0n+li7Q==","f_port":2,"f_cnt":4883,"frm_payload":"AAAoxxH2YiABuJAJAAAoGcMKDQAAtKAJAAAojE9qDQAAlIAJAAAoNYZqDQAA1KAJAAA=","rx_metadata":[{"gateway_ids":{"gateway_id":"eui-e45f01fffeaf7c3d","eui":"B827EBFFFE8B01DD"},"time":"2023-01-28T13:20:51.542917013Z","timestamp":2243961114,"rssi":-49,"channel_rssi":-49,"snr":14.25,"location":{"latitude":51.4040448834672,"longitude":7.06016957759857,"altitude":110,"source":"SOURCE_REGISTRY"},"uplink_token":"CiIKIAoUZXVpLWU0NWYwMWZmZmVhZjdjM2QSCLgn6//+iwHdEJrCgK4IGgwIs8LUngYQq77KpgIgkJuFtKfzGQ==","received_at":"2023-01-28T13:20:51.598748264Z"}],"settings":{"data_rate":{"lora":{"bandwidth":125000,"spreading_factor":7,"coding_rate":"4/5"}},"frequency":"867100000","timestamp":2243961114,"time":"2023-01-28T13:20:51.542917013Z"},"received_at":"2023-01-28T13:20:51.618783358Z","confirmed":true,"consumed_airtime":"0.123136s","version_ids":{"brand_id":"heltec","model_id":"wifi-lora-32-class-c-otaa","hardware_version":"_unknown_hw_version_","firmware_version":"1.0","band_id":"EU_863_870"},"network_ids":{"net_id":"000013","tenant_id":"ttn","cluster_id":"eu1","cluster_address":"eu1.cloud.thethings.network"}}}


{
  "end_device_ids": {
    "device_id": "eui-43fa12f400006c88",
    "application_ids": {
      "application_id": "de-hottis-saerbeck-monitoring"
    },
    "dev_eui": "43FA12F400006C88",
    "join_eui": "A05781000112AAF4",
    "dev_addr": "260BB631"
  },
  "correlation_ids": [
    "as:up:01GQW8KVMJW8XKQKVH2WDCFNQV",
    "gs:conn:01GQRVYYF3VRDHPXJ9SMPKCVE9",
    "gs:up:host:01GQRVYYFEKAKBBHKQ7DFZRZP7",
    "gs:uplink:01GQW8KVE4N728REB8AABDJH0M",
    "ns:uplink:01GQW8KVE4DH8HRT5BB402EY2J",
    "rpc:/ttn.lorawan.v3.GsNs/HandleUplink:01GQW8KVE4NRMWVAYP34TNDVER",
    "rpc:/ttn.lorawan.v3.NsAs/HandleUplink:01GQW8KVMJBCFVG2E347KBGAZZ"
  ],
  "received_at": "2023-01-28T13:21:07.218686301Z",
  "uplink_message": {
    "session_key_id": "AYXz7SWyVscRWxJ0n+li7Q==",
    "f_port": 2,
    "f_cnt": 4884,
    "frm_payload": "AAAoxxH2YiABuJgJAAAoGcMKDQAAtKAJAAAojE9qDQAAlIAJAAAoNYZqDQAA1KAJAAA=",
    "rx_metadata": [
      {
        "gateway_ids": {
          "gateway_id": "eui-e45f01fffeaf7c3d",
          "eui": "B827EBFFFE8B01DD"
        },
        "time": "2023-01-28T13:21:06.937016963Z",
        "timestamp": 2259350654,
        "rssi": -49,
        "channel_rssi": -49,
        "snr": 14,
        "location": {
          "latitude": 51.4040448834672,
          "longitude": 7.06016957759857,
          "altitude": 110,
          "source": "SOURCE_REGISTRY"
        },
        "uplink_token": "CiIKIAoUZXVpLWU0NWYwMWZmZmVhZjdjM2QSCLgn6//+iwHdEP7oq7UIGgsIw8LUngYQxpbWBSCwmKze4PMZ",
        "received_at": "2023-01-28T13:21:06.992920891Z"
      }
    ],
    "settings": {
      "data_rate": {
        "lora": {
          "bandwidth": 125000,
          "spreading_factor": 7,
          "coding_rate": "4/5"
        }
      },
      "frequency": "867900000",
      "timestamp": 2259350654,
      "time": "2023-01-28T13:21:06.937016963Z"
    },
    "received_at": "2023-01-28T13:21:07.012919474Z",
    "confirmed": true,
    "consumed_airtime": "0.118016s",
    "version_ids": {
      "brand_id": "heltec",
      "model_id": "wifi-lora-32-class-c-otaa",
      "hardware_version": "_unknown_hw_version_",
      "firmware_version": "1.0",
      "band_id": "EU_863_870"
    },
    "network_ids": {
      "net_id": "000013",
      "tenant_id": "ttn",
      "cluster_id": "eu1",
      "cluster_address": "eu1.cloud.thethings.network"
    }
  }
}