Packet #18024045 Success

TELEMETRY_APP packet from Da Fonz (Fonz) to !ffffffff

46
Total Receptions
2
Unique Gateways
2
Hop Count
29
Payload Bytes
Packet Information
Database ID: 18024045
Mesh Packet ID: 0x0526cf07
Used for correlation across gateways
Timestamp: 2026-03-27 21:58:15 UTC
From Node: Da Fonz (Fonz)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: TELEMETRY_APP
Port: 67
Gateway: Mechanicus Cadia (M3)
Channel: MediumFast
RSSI: -127 dBm
SNR: -17.0 dBm
Hop Info: 2/3 hops
Start: 3, Limit: 1
Relay Node: 75
Last byte of the last hop that relayed this packet
Payload Data
Protocol: TELEMETRY_APP
Size: 29 bytes
Decoded: Yes
Decoded Data:
Device Metrics:
Battery:101%
Voltage:4.58 V
Air Util TX:0.4%
Raw Packet Analysis
Complete field breakdown and MQTT privacy/exposure analysis
Packet Structure
MQTT Packet Flow:
ServiceEnvelope (MQTT layer) → MeshPacket (Mesh layer) → Decoded Payload (Application data)
Total Size:29 bytes
Gateway:!4359649c
Channel:MediumFast
Payload Type:TELEMETRY_APP
Hop Count:2 / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 1 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !4359649c
Node ID format
channel_id MediumFast
packet MeshPacket (29 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 48884384
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 67
TELEMETRY_APP
enum
decoded.payload_length 29 bytes size
hop_limit 1
Remaining hops allowed
uint32
hop_start 3
Initial hop limit
uint32
hops_taken 2
Calculated: hop_start - hop_limit
derived
rx_rssi -127.0 dBm
Signal strength at gateway
int32
rx_snr -17.00 dB
Signal quality at gateway
float
rx_time 1774648688
Receive timestamp
fixed32
via_mqtt False
Direct LoRa transmission
bool
want_ack False
No ACK requested
bool
priority Not set enum
delayed Not set enum
channel Not set uint32
pki_encrypted False
Standard encryption
bool
next_hop Not set uint32
relay_node 117
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774648695.8437183
Unix timestamp
uint32
MQTT Privacy & Exposure Analysis

Analysis of privacy features and exposure risks when packet is shared via MQTT

Exposure Level: Broadcast
Privacy Features:
  • ✓ Direct LoRa transmission (not via MQTT)
  • ✓ Custom channel: MediumFast
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (2 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !4359649c
Signal Metrics: RSSI: -127.0 dBm
SNR: -17.00 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:TELEMETRY_APP
Size:29 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "time": 1774648684, "device_metrics": { "battery_level": 101, "voltage": 4.583, "channel_utilization": 0.0, "air_util_tx": 0.40522224, "uptime_seconds": 2593286 } }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!4359649c", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 48884384, "to": 4294967295, "id": 86429447, "rx_time": 1774648688, "rx_snr": -17.0, "rx_rssi": -127, "hop_limit": 1, "hop_start": 3, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 117, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0d6cfdc6691216086515f0a792401d00000000254a79cf3e2886a49e01", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1774648684, "device_metrics": { "battery_level": 101, "voltage": 4.583, "channel_utilization": 0.0, "air_util_tx": 0.40522224, "uptime_seconds": 2593286 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }
Raw Packet Data (29 bytes)
0d6cfdc6691216086515f0a792401d00000000254a79cf3e2886a49e01
Hex Analysis:
Size:29 bytes
Format:Protobuf (Protocol Buffers)
Encoding:Binary with varint and length-delimited fields
This is the raw protobuf-encoded payload as received from MQTT. The structure follows the Meshtastic protobuf schema definitions.
All Receptions
All gateways that received this packet
Correlation: Using Mesh Packet ID
Reception Locations
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Loading reception map...

Map shows gateway locations that received this packet. Hop counts are displayed if available.
Gateway Time Offset RSSI SNR Hops Relay Channel Timestamp Actions
Mechanicus Cadia (M3) Primary 0.000s
Reference
-127.0 dBm -17.00 dB 2 75 MediumFast 2026-03-27 21:58:15 UTC Current
Mechanicus Cadia (M3) -2.126s
Before
-127.0 dBm -17.00 dB 2 75 LongFast 2026-03-27 21:58:13 UTC View
Mechanicus Cadia (M3) -2.075s
Before
-127.0 dBm -17.00 dB 2 75 LongFast 2026-03-27 21:58:13 UTC View
Mechanicus Cadia (M3) -2.049s
Before
-127.0 dBm -17.00 dB 2 75 LongFast 2026-03-27 21:58:13 UTC View
Mechanicus Cadia (M3) -1.672s
Before
-127.0 dBm -17.00 dB 2 75 LongFast 2026-03-27 21:58:14 UTC View
Mechanicus Cadia (M3) -1.311s
Before
-127.0 dBm -17.00 dB 2 75 LongFast 2026-03-27 21:58:14 UTC View
Mechanicus Cadia (M3) -0.940s
Before
-127.0 dBm -17.00 dB 2 75 LongFast 2026-03-27 21:58:14 UTC View
Mechanicus Cadia (M3) -0.574s
Before
-127.0 dBm -17.00 dB 2 75 LongFast 2026-03-27 21:58:15 UTC View
Mechanicus Cadia (M3) -0.551s
Before
-127.0 dBm -17.00 dB 2 75 LongFast 2026-03-27 21:58:15 UTC View
Mechanicus Cadia (M3) -0.528s
Before
-127.0 dBm -17.00 dB 2 75 LongFast 2026-03-27 21:58:15 UTC View
Mechanicus Cadia (M3) -0.506s
Before
-127.0 dBm -17.00 dB 2 75 LongFast 2026-03-27 21:58:15 UTC View
Mechanicus Alpha (M1) -0.482s
Before
-114.0 dBm -6.00 dB 2 75 LongFast 2026-03-27 21:58:15 UTC View
Mechanicus Cadia (M3) -0.456s
Before
-127.0 dBm -17.00 dB 2 75 LongFast 2026-03-27 21:58:15 UTC View
Mechanicus Cadia (M3) -0.429s
Before
-127.0 dBm -17.00 dB 2 75 MediumFast 2026-03-27 21:58:15 UTC View
Mechanicus Cadia (M3) -0.402s
Before
-127.0 dBm -17.00 dB 2 75 MediumFast 2026-03-27 21:58:15 UTC View
Mechanicus Cadia (M3) -0.377s
Before
-127.0 dBm -17.00 dB 2 75 MediumFast 2026-03-27 21:58:15 UTC View
Mechanicus Cadia (M3) +0.042s
After
-127.0 dBm -17.00 dB 2 75 MediumFast 2026-03-27 21:58:15 UTC View
Mechanicus Cadia (M3) +0.079s
After
-127.0 dBm -17.00 dB 2 75 MediumFast 2026-03-27 21:58:15 UTC View
Mechanicus Cadia (M3) +0.487s
After
-127.0 dBm -17.00 dB 2 75 MediumFast 2026-03-27 21:58:16 UTC View
Mechanicus Cadia (M3) +0.518s
After
-127.0 dBm -17.00 dB 2 75 MediumFast 2026-03-27 21:58:16 UTC View
Mechanicus Cadia (M3) +0.543s
After
-127.0 dBm -17.00 dB 2 75 MediumFast 2026-03-27 21:58:16 UTC View
Mechanicus Cadia (M3) +0.573s
After
-127.0 dBm -17.00 dB 2 75 MediumFast 2026-03-27 21:58:16 UTC View
Mechanicus Cadia (M3) +0.597s
After
-127.0 dBm -17.00 dB 2 75 MediumFast 2026-03-27 21:58:16 UTC View
Mechanicus Cadia (M3) +0.622s
After
-127.0 dBm -17.00 dB 2 75 ShortFast 2026-03-27 21:58:16 UTC View
Mechanicus Cadia (M3) +0.646s
After
-127.0 dBm -17.00 dB 2 75 ShortFast 2026-03-27 21:58:16 UTC View
Mechanicus Cadia (M3) +0.671s
After
-127.0 dBm -17.00 dB 2 75 ShortFast 2026-03-27 21:58:16 UTC View
Mechanicus Cadia (M3) +0.696s
After
-127.0 dBm -17.00 dB 2 75 ShortFast 2026-03-27 21:58:16 UTC View
Mechanicus Cadia (M3) +0.728s
After
-127.0 dBm -17.00 dB 2 75 ShortFast 2026-03-27 21:58:16 UTC View
Mechanicus Cadia (M3) +0.751s
After
-127.0 dBm -17.00 dB 2 75 ShortFast 2026-03-27 21:58:16 UTC View
Mechanicus Cadia (M3) +0.776s
After
-127.0 dBm -17.00 dB 2 75 ShortFast 2026-03-27 21:58:16 UTC View
Mechanicus Cadia (M3) +0.804s
After
-127.0 dBm -17.00 dB 2 75 ShortFast 2026-03-27 21:58:16 UTC View
Mechanicus Cadia (M3) +0.829s
After
-127.0 dBm -17.00 dB 2 75 ShortFast 2026-03-27 21:58:16 UTC View
Mechanicus Cadia (M3) +0.854s
After
-127.0 dBm -17.00 dB 2 75 ShortFast 2026-03-27 21:58:16 UTC View
Mechanicus Cadia (M3) +0.881s
After
-127.0 dBm -17.00 dB 2 75 ShortFast 2026-03-27 21:58:16 UTC View
Mechanicus Cadia (M3) +0.908s
After
-127.0 dBm -17.00 dB 2 75 ShortTurbo 2026-03-27 21:58:16 UTC View
Mechanicus Cadia (M3) +0.931s
After
-127.0 dBm -17.00 dB 2 75 ShortTurbo 2026-03-27 21:58:16 UTC View
Mechanicus Cadia (M3) +0.954s
After
-127.0 dBm -17.00 dB 2 75 ShortTurbo 2026-03-27 21:58:16 UTC View
Mechanicus Cadia (M3) +0.979s
After
-127.0 dBm -17.00 dB 2 75 ShortTurbo 2026-03-27 21:58:16 UTC View
Mechanicus Cadia (M3) +1.002s
After
-127.0 dBm -17.00 dB 2 75 ShortTurbo 2026-03-27 21:58:16 UTC View
Mechanicus Cadia (M3) +1.404s
After
-127.0 dBm -17.00 dB 2 75 ShortTurbo 2026-03-27 21:58:17 UTC View
Mechanicus Cadia (M3) +1.435s
After
-127.0 dBm -17.00 dB 2 75 ShortTurbo 2026-03-27 21:58:17 UTC View
Mechanicus Cadia (M3) +1.462s
After
-127.0 dBm -17.00 dB 2 75 ShortTurbo 2026-03-27 21:58:17 UTC View
Mechanicus Cadia (M3) +1.494s
After
-127.0 dBm -17.00 dB 2 75 ShortTurbo 2026-03-27 21:58:17 UTC View
Mechanicus Cadia (M3) +1.526s
After
-127.0 dBm -17.00 dB 2 75 ShortTurbo 2026-03-27 21:58:17 UTC View
Mechanicus Cadia (M3) +1.559s
After
-127.0 dBm -17.00 dB 2 75 ShortTurbo 2026-03-27 21:58:17 UTC View
Mechanicus Cadia (M3) +1.587s
After
-127.0 dBm -17.00 dB 2 75 LongFast 2026-03-27 21:58:17 UTC View
46

Total Receptions

2

Unique Gateways