Packet #18024038 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: 18024038
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: LongFast
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:LongFast
Payload Type:TELEMETRY_APP
Hop Count:2 / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 3 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !4359649c
Node ID format
channel_id LongFast
Default public channel
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 1774648695.315751
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)
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Default channel - no encryption
  • ⚠ 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": "LongFast", "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 LongFast 2026-03-27 21:58:15 UTC Current
Mechanicus Cadia (M3) -1.598s
Before
-127.0 dBm -17.00 dB 2 75 LongFast 2026-03-27 21:58:13 UTC View
Mechanicus Cadia (M3) -1.547s
Before
-127.0 dBm -17.00 dB 2 75 LongFast 2026-03-27 21:58:13 UTC View
Mechanicus Cadia (M3) -1.521s
Before
-127.0 dBm -17.00 dB 2 75 LongFast 2026-03-27 21:58:13 UTC View
Mechanicus Cadia (M3) -1.144s
Before
-127.0 dBm -17.00 dB 2 75 LongFast 2026-03-27 21:58:14 UTC View
Mechanicus Cadia (M3) -0.783s
Before
-127.0 dBm -17.00 dB 2 75 LongFast 2026-03-27 21:58:14 UTC View
Mechanicus Cadia (M3) -0.412s
Before
-127.0 dBm -17.00 dB 2 75 LongFast 2026-03-27 21:58:14 UTC View
Mechanicus Cadia (M3) -0.046s
Before
-127.0 dBm -17.00 dB 2 75 LongFast 2026-03-27 21:58:15 UTC View
Mechanicus Cadia (M3) -0.023s
Before
-127.0 dBm -17.00 dB 2 75 LongFast 2026-03-27 21:58:15 UTC View
Mechanicus Cadia (M3) +0.022s
After
-127.0 dBm -17.00 dB 2 75 LongFast 2026-03-27 21:58:15 UTC View
Mechanicus Alpha (M1) +0.046s
After
-114.0 dBm -6.00 dB 2 75 LongFast 2026-03-27 21:58:15 UTC View
Mechanicus Cadia (M3) +0.072s
After
-127.0 dBm -17.00 dB 2 75 LongFast 2026-03-27 21:58:15 UTC View
Mechanicus Cadia (M3) +0.099s
After
-127.0 dBm -17.00 dB 2 75 MediumFast 2026-03-27 21:58:15 UTC View
Mechanicus Cadia (M3) +0.126s
After
-127.0 dBm -17.00 dB 2 75 MediumFast 2026-03-27 21:58:15 UTC View
Mechanicus Cadia (M3) +0.151s
After
-127.0 dBm -17.00 dB 2 75 MediumFast 2026-03-27 21:58:15 UTC View
Mechanicus Cadia (M3) +0.528s
After
-127.0 dBm -17.00 dB 2 75 MediumFast 2026-03-27 21:58:15 UTC View
Mechanicus Cadia (M3) +0.570s
After
-127.0 dBm -17.00 dB 2 75 MediumFast 2026-03-27 21:58:15 UTC View
Mechanicus Cadia (M3) +0.607s
After
-127.0 dBm -17.00 dB 2 75 MediumFast 2026-03-27 21:58:15 UTC View
Mechanicus Cadia (M3) +1.015s
After
-127.0 dBm -17.00 dB 2 75 MediumFast 2026-03-27 21:58:16 UTC View
Mechanicus Cadia (M3) +1.046s
After
-127.0 dBm -17.00 dB 2 75 MediumFast 2026-03-27 21:58:16 UTC View
Mechanicus Cadia (M3) +1.071s
After
-127.0 dBm -17.00 dB 2 75 MediumFast 2026-03-27 21:58:16 UTC View
Mechanicus Cadia (M3) +1.101s
After
-127.0 dBm -17.00 dB 2 75 MediumFast 2026-03-27 21:58:16 UTC View
Mechanicus Cadia (M3) +1.125s
After
-127.0 dBm -17.00 dB 2 75 MediumFast 2026-03-27 21:58:16 UTC View
Mechanicus Cadia (M3) +1.150s
After
-127.0 dBm -17.00 dB 2 75 ShortFast 2026-03-27 21:58:16 UTC View
Mechanicus Cadia (M3) +1.174s
After
-127.0 dBm -17.00 dB 2 75 ShortFast 2026-03-27 21:58:16 UTC View
Mechanicus Cadia (M3) +1.199s
After
-127.0 dBm -17.00 dB 2 75 ShortFast 2026-03-27 21:58:16 UTC View
Mechanicus Cadia (M3) +1.224s
After
-127.0 dBm -17.00 dB 2 75 ShortFast 2026-03-27 21:58:16 UTC View
Mechanicus Cadia (M3) +1.256s
After
-127.0 dBm -17.00 dB 2 75 ShortFast 2026-03-27 21:58:16 UTC View
Mechanicus Cadia (M3) +1.279s
After
-127.0 dBm -17.00 dB 2 75 ShortFast 2026-03-27 21:58:16 UTC View
Mechanicus Cadia (M3) +1.304s
After
-127.0 dBm -17.00 dB 2 75 ShortFast 2026-03-27 21:58:16 UTC View
Mechanicus Cadia (M3) +1.332s
After
-127.0 dBm -17.00 dB 2 75 ShortFast 2026-03-27 21:58:16 UTC View
Mechanicus Cadia (M3) +1.357s
After
-127.0 dBm -17.00 dB 2 75 ShortFast 2026-03-27 21:58:16 UTC View
Mechanicus Cadia (M3) +1.382s
After
-127.0 dBm -17.00 dB 2 75 ShortFast 2026-03-27 21:58:16 UTC View
Mechanicus Cadia (M3) +1.409s
After
-127.0 dBm -17.00 dB 2 75 ShortFast 2026-03-27 21:58:16 UTC View
Mechanicus Cadia (M3) +1.436s
After
-127.0 dBm -17.00 dB 2 75 ShortTurbo 2026-03-27 21:58:16 UTC View
Mechanicus Cadia (M3) +1.459s
After
-127.0 dBm -17.00 dB 2 75 ShortTurbo 2026-03-27 21:58:16 UTC View
Mechanicus Cadia (M3) +1.482s
After
-127.0 dBm -17.00 dB 2 75 ShortTurbo 2026-03-27 21:58:16 UTC View
Mechanicus Cadia (M3) +1.507s
After
-127.0 dBm -17.00 dB 2 75 ShortTurbo 2026-03-27 21:58:16 UTC View
Mechanicus Cadia (M3) +1.530s
After
-127.0 dBm -17.00 dB 2 75 ShortTurbo 2026-03-27 21:58:16 UTC View
Mechanicus Cadia (M3) +1.932s
After
-127.0 dBm -17.00 dB 2 75 ShortTurbo 2026-03-27 21:58:17 UTC View
Mechanicus Cadia (M3) +1.963s
After
-127.0 dBm -17.00 dB 2 75 ShortTurbo 2026-03-27 21:58:17 UTC View
Mechanicus Cadia (M3) +1.990s
After
-127.0 dBm -17.00 dB 2 75 ShortTurbo 2026-03-27 21:58:17 UTC View
Mechanicus Cadia (M3) +2.022s
After
-127.0 dBm -17.00 dB 2 75 ShortTurbo 2026-03-27 21:58:17 UTC View
Mechanicus Cadia (M3) +2.054s
After
-127.0 dBm -17.00 dB 2 75 ShortTurbo 2026-03-27 21:58:17 UTC View
Mechanicus Cadia (M3) +2.087s
After
-127.0 dBm -17.00 dB 2 75 ShortTurbo 2026-03-27 21:58:17 UTC View
Mechanicus Cadia (M3) +2.115s
After
-127.0 dBm -17.00 dB 2 75 LongFast 2026-03-27 21:58:17 UTC View
46

Total Receptions

2

Unique Gateways