Packet #39450879 Success

TELEMETRY_APP packet from jsfcf6 (fcf6) to !ffffffff

46
Total Receptions
2
Unique Gateways
3
Hop Count
29
Payload Bytes
Packet Information
Database ID: 39450879
Mesh Packet ID: 0x7da76a81
Used for correlation across gateways
Timestamp: 2026-05-16 05:33:38 UTC
From Node: jsfcf6 (fcf6)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: TELEMETRY_APP
Port: 67
Gateway: Mechanicus Alpha (M1)
Channel: LongFast
RSSI: -119 dBm
SNR: -9.25 dBm
Hop Info: 3/5 hops
Start: 5, Limit: 2
Relay Node: ce
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:4.22 V
Channel Usage:6.1%
Air Util TX:2.0%
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:!433e868c
Channel:LongFast
Payload Type:TELEMETRY_APP
Hop Count:3 / 5
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 !433e868c
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 591068406
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 2
Remaining hops allowed
uint32
hop_start 5
Initial hop limit
uint32
hops_taken 3
Calculated: hop_start - hop_limit
derived
rx_rssi -119.0 dBm
Signal strength at gateway
int32
rx_snr -9.25 dB
Signal quality at gateway
float
rx_time 1778909617
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 206
Relay node ID
uint32
tx_after Not set uint32
timestamp 1778909618.9715288
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 (3 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !433e868c
Signal Metrics: RSSI: -119.0 dBm
SNR: -9.25 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": 1779010509, "device_metrics": { "battery_level": 101, "voltage": 4.217, "channel_utilization": 6.136667, "air_util_tx": 2.0031111, "uptime_seconds": 10417689 } }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!433e868c", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 591068406, "to": 4294967295, "id": 2108123777, "rx_time": 1778909617, "rx_snr": -9.25, "rx_rssi": -119, "hop_limit": 2, "hop_start": 5, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 206, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0dcd8b096a1216086515aaf186401d935fc44025f93200402899ecfb04", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1779010509, "device_metrics": { "battery_level": 101, "voltage": 4.217, "channel_utilization": 6.136667, "air_util_tx": 2.0031111, "uptime_seconds": 10417689 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }
Raw Packet Data (29 bytes)
0dcd8b096a1216086515aaf186401d935fc44025f93200402899ecfb04
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 Alpha (M1) Primary 0.000s
Reference
-119.0 dBm -9.25 dB 3 ce LongFast 2026-05-16 05:33:38 UTC Current
Mechanicus Alpha (M1) -0.225s
Before
-119.0 dBm -9.25 dB 3 ce LongFast 2026-05-16 05:33:38 UTC View
Mechanicus Alpha (M1) -0.204s
Before
-119.0 dBm -9.25 dB 3 ce LongFast 2026-05-16 05:33:38 UTC View
Mechanicus Alpha (M1) -0.180s
Before
-119.0 dBm -9.25 dB 3 ce LongFast 2026-05-16 05:33:38 UTC View
Mechanicus Alpha (M1) -0.157s
Before
-119.0 dBm -9.25 dB 3 ce LongFast 2026-05-16 05:33:38 UTC View
Mechanicus Alpha (M1) -0.134s
Before
-119.0 dBm -9.25 dB 3 ce LongFast 2026-05-16 05:33:38 UTC View
Mechanicus Alpha (M1) -0.112s
Before
-119.0 dBm -9.25 dB 3 ce LongFast 2026-05-16 05:33:38 UTC View
Mechanicus Alpha (M1) -0.092s
Before
-119.0 dBm -9.25 dB 3 ce LongFast 2026-05-16 05:33:38 UTC View
Mechanicus Alpha (M1) -0.071s
Before
-119.0 dBm -9.25 dB 3 ce LongFast 2026-05-16 05:33:38 UTC View
Mechanicus Alpha (M1) -0.046s
Before
-119.0 dBm -9.25 dB 3 ce LongFast 2026-05-16 05:33:38 UTC View
Mechanicus Alpha (M1) -0.024s
Before
-119.0 dBm -9.25 dB 3 ce LongFast 2026-05-16 05:33:38 UTC View
Mechanicus Alpha (M1) +0.023s
After
-119.0 dBm -9.25 dB 3 ce MediumFast 2026-05-16 05:33:38 UTC View
Mechanicus Alpha (M1) +0.046s
After
-119.0 dBm -9.25 dB 3 ce MediumFast 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.069s
After
-119.0 dBm -9.25 dB 3 ce MediumFast 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.090s
After
-119.0 dBm -9.25 dB 3 ce MediumFast 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.110s
After
-119.0 dBm -9.25 dB 3 ce MediumFast 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.131s
After
-119.0 dBm -9.25 dB 3 ce MediumFast 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.153s
After
-119.0 dBm -9.25 dB 3 ce MediumFast 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.176s
After
-119.0 dBm -9.25 dB 3 ce MediumFast 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.200s
After
-119.0 dBm -9.25 dB 3 ce MediumFast 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.222s
After
-119.0 dBm -9.25 dB 3 ce MediumFast 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.244s
After
-119.0 dBm -9.25 dB 3 ce MediumFast 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.265s
After
-119.0 dBm -9.25 dB 3 ce ShortFast 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.286s
After
-119.0 dBm -9.25 dB 3 ce ShortFast 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.307s
After
-119.0 dBm -9.25 dB 3 ce ShortFast 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.329s
After
-119.0 dBm -9.25 dB 3 ce ShortFast 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.353s
After
-119.0 dBm -9.25 dB 3 ce ShortFast 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.376s
After
-119.0 dBm -9.25 dB 3 ce ShortFast 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.406s
After
-119.0 dBm -9.25 dB 3 ce ShortFast 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.429s
After
-119.0 dBm -9.25 dB 3 ce ShortFast 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.449s
After
-119.0 dBm -9.25 dB 3 ce ShortFast 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.472s
After
-119.0 dBm -9.25 dB 3 ce ShortFast 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.493s
After
-119.0 dBm -9.25 dB 3 ce ShortFast 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.515s
After
-119.0 dBm -9.25 dB 3 ce ShortTurbo 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.538s
After
-119.0 dBm -9.25 dB 3 ce ShortTurbo 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.567s
After
-119.0 dBm -9.25 dB 3 ce ShortTurbo 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.587s
After
-119.0 dBm -9.25 dB 3 ce ShortTurbo 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.611s
After
-119.0 dBm -9.25 dB 3 ce ShortTurbo 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.632s
After
-119.0 dBm -9.25 dB 3 ce ShortTurbo 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.653s
After
-119.0 dBm -9.25 dB 3 ce ShortTurbo 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.675s
After
-119.0 dBm -9.25 dB 3 ce ShortTurbo 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.698s
After
-119.0 dBm -9.25 dB 3 ce ShortTurbo 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.721s
After
-119.0 dBm -9.25 dB 3 ce ShortTurbo 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.744s
After
-119.0 dBm -9.25 dB 3 ce ShortTurbo 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.766s
After
-119.0 dBm -9.25 dB 3 ce LongFast 2026-05-16 05:33:39 UTC View
lidman2 (lid2) +0.786s
After
-128.0 dBm -19.25 dB 3 ce LongFast 2026-05-16 05:33:39 UTC View
46

Total Receptions

2

Unique Gateways