Packet #39351433 Success

NODEINFO_APP packet from Meshtastic e900 (bub1) to !823d1070

45
Total Receptions
1
Unique Gateways
1
Hop Count
80
Payload Bytes
Packet Information
Database ID: 39351433
Mesh Packet ID: 0x68ef3f58
Used for correlation across gateways
Timestamp: 2026-05-15 23:34:28 UTC
From Node: Meshtastic e900 (bub1)
To Node: !823d1070 (1070)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Some User Lincoln Field (SULF)
Channel: MediumFast
RSSI: -120 dBm
SNR: -12.75 dBm
Hop Info: 1/3 hops
Start: 3, Limit: 2
Relay Node: 68
Last byte of the last hop that relayed this packet
Payload Data
Protocol: NODEINFO_APP
Size: 80 bytes
Decoded: Yes
Decoded Data:
Long Name:Meshtastic e900
Short Name:bub1
Node ID:!433ce900
MAC Address:SMpDPOkA
Hardware:HELTEC_V3
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:80 bytes
Gateway:!b03c96ac
Channel:MediumFast
Payload Type:NODEINFO_APP
Hop Count:1 / 3
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 2 more...
Exposure Risks:
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (1 hops)
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !b03c96ac
Node ID format
channel_id MediumFast
packet MeshPacket (80 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1128065280
Source node ID
uint32
to 2185039984
Target node ID
uint32
decoded.portnum 4
NODEINFO_APP
enum
decoded.payload_length 80 bytes size
hop_limit 2
Remaining hops allowed
uint32
hop_start 3
Initial hop limit
uint32
hops_taken 1
Calculated: hop_start - hop_limit
derived
rx_rssi -120.0 dBm
Signal strength at gateway
int32
rx_snr -12.75 dB
Signal quality at gateway
float
rx_time 1778888067
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 104
Relay node ID
uint32
tx_after Not set uint32
timestamp 1778888068.675541
Unix timestamp
uint32
MQTT Privacy & Exposure Analysis

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

Exposure Level: Direct Message
Privacy Features:
  • ✓ Direct LoRa transmission (not via MQTT)
  • ✓ Targeted to specific node
  • ✓ Custom channel: MediumFast
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (1 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !b03c96ac
Signal Metrics: RSSI: -120.0 dBm
SNR: -12.75 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:80 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!433ce900", "long_name": "Meshtastic e900", "short_name": "bub1", "macaddr": "SMpDPOkA", "hw_model": "HELTEC_V3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!b03c96ac", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1128065280, "to": 2185039984, "id": 1760509784, "rx_time": 1778888067, "rx_snr": -12.75, "rx_rssi": -120, "hop_limit": 2, "hop_start": 3, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 104, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213433336365393030120f4d65736874617374696320653930301a0462756231220648ca433ce900282b422007c9443e73d534dda4c2b9e0b5fa5559b25e51bbc473c856a6af128005cd0f0b4800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!433ce900", "long_name": "Meshtastic e900", "short_name": "bub1", "macaddr": "SMpDPOkA", "hw_model": "HELTEC_V3", "public_key": "B8lEPnPVNN2kwrngtfpVWbJeUbvEc8hWpq8SgAXNDws=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (80 bytes)
0a09213433336365393030120f4d65736874617374696320653930301a0462756231220648ca433ce900282b422007c9443e73d534dda4c2b9e0b5fa5559b25e51bbc473c856a6af128005cd0f0b4800
Hex Analysis:
Size:80 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
Some User Lincoln Field (SULF) Primary 0.000s
Reference
-120.0 dBm -12.75 dB 1 68 MediumFast 2026-05-15 23:34:28 UTC Current
Some User Lincoln Field (SULF) -0.264s
Before
-120.0 dBm -12.75 dB 1 68 LongFast 2026-05-15 23:34:28 UTC View
Some User Lincoln Field (SULF) -0.240s
Before
-120.0 dBm -12.75 dB 1 68 LongFast 2026-05-15 23:34:28 UTC View
Some User Lincoln Field (SULF) -0.205s
Before
-120.0 dBm -12.75 dB 1 68 LongFast 2026-05-15 23:34:28 UTC View
Some User Lincoln Field (SULF) -0.179s
Before
-120.0 dBm -12.75 dB 1 68 LongFast 2026-05-15 23:34:28 UTC View
Some User Lincoln Field (SULF) -0.157s
Before
-120.0 dBm -12.75 dB 1 68 LongFast 2026-05-15 23:34:28 UTC View
Some User Lincoln Field (SULF) -0.135s
Before
-120.0 dBm -12.75 dB 1 68 LongFast 2026-05-15 23:34:28 UTC View
Some User Lincoln Field (SULF) -0.114s
Before
-120.0 dBm -12.75 dB 1 68 LongFast 2026-05-15 23:34:28 UTC View
Some User Lincoln Field (SULF) -0.093s
Before
-120.0 dBm -12.75 dB 1 68 LongFast 2026-05-15 23:34:28 UTC View
Some User Lincoln Field (SULF) -0.071s
Before
-120.0 dBm -12.75 dB 1 68 LongFast 2026-05-15 23:34:28 UTC View
Some User Lincoln Field (SULF) -0.047s
Before
-120.0 dBm -12.75 dB 1 68 LongFast 2026-05-15 23:34:28 UTC View
Some User Lincoln Field (SULF) -0.023s
Before
-120.0 dBm -12.75 dB 1 68 LongFast 2026-05-15 23:34:28 UTC View
Some User Lincoln Field (SULF) +0.022s
After
-120.0 dBm -12.75 dB 1 68 MediumFast 2026-05-15 23:34:28 UTC View
Some User Lincoln Field (SULF) +0.044s
After
-120.0 dBm -12.75 dB 1 68 MediumFast 2026-05-15 23:34:28 UTC View
Some User Lincoln Field (SULF) +0.065s
After
-120.0 dBm -12.75 dB 1 68 MediumFast 2026-05-15 23:34:28 UTC View
Some User Lincoln Field (SULF) +0.088s
After
-120.0 dBm -12.75 dB 1 68 MediumFast 2026-05-15 23:34:28 UTC View
Some User Lincoln Field (SULF) +0.110s
After
-120.0 dBm -12.75 dB 1 68 MediumFast 2026-05-15 23:34:28 UTC View
Some User Lincoln Field (SULF) +0.143s
After
-120.0 dBm -12.75 dB 1 68 MediumFast 2026-05-15 23:34:28 UTC View
Some User Lincoln Field (SULF) +0.175s
After
-120.0 dBm -12.75 dB 1 68 MediumFast 2026-05-15 23:34:28 UTC View
Some User Lincoln Field (SULF) +0.197s
After
-120.0 dBm -12.75 dB 1 68 MediumFast 2026-05-15 23:34:28 UTC View
Some User Lincoln Field (SULF) +0.218s
After
-120.0 dBm -12.75 dB 1 68 MediumFast 2026-05-15 23:34:28 UTC View
Some User Lincoln Field (SULF) +0.239s
After
-120.0 dBm -12.75 dB 1 68 MediumFast 2026-05-15 23:34:28 UTC View
Some User Lincoln Field (SULF) +0.260s
After
-120.0 dBm -12.75 dB 1 68 ShortFast 2026-05-15 23:34:28 UTC View
Some User Lincoln Field (SULF) +0.283s
After
-120.0 dBm -12.75 dB 1 68 ShortFast 2026-05-15 23:34:28 UTC View
Some User Lincoln Field (SULF) +0.307s
After
-120.0 dBm -12.75 dB 1 68 ShortFast 2026-05-15 23:34:28 UTC View
Some User Lincoln Field (SULF) +0.331s
After
-120.0 dBm -12.75 dB 1 68 ShortFast 2026-05-15 23:34:29 UTC View
Some User Lincoln Field (SULF) +0.354s
After
-120.0 dBm -12.75 dB 1 68 ShortFast 2026-05-15 23:34:29 UTC View
Some User Lincoln Field (SULF) +0.377s
After
-120.0 dBm -12.75 dB 1 68 ShortFast 2026-05-15 23:34:29 UTC View
Some User Lincoln Field (SULF) +0.398s
After
-120.0 dBm -12.75 dB 1 68 ShortFast 2026-05-15 23:34:29 UTC View
Some User Lincoln Field (SULF) +0.419s
After
-120.0 dBm -12.75 dB 1 68 ShortFast 2026-05-15 23:34:29 UTC View
Some User Lincoln Field (SULF) +0.446s
After
-120.0 dBm -12.75 dB 1 68 ShortFast 2026-05-15 23:34:29 UTC View
Some User Lincoln Field (SULF) +0.468s
After
-120.0 dBm -12.75 dB 1 68 ShortFast 2026-05-15 23:34:29 UTC View
Some User Lincoln Field (SULF) +0.492s
After
-120.0 dBm -12.75 dB 1 68 ShortFast 2026-05-15 23:34:29 UTC View
Some User Lincoln Field (SULF) +0.515s
After
-120.0 dBm -12.75 dB 1 68 ShortTurbo 2026-05-15 23:34:29 UTC View
Some User Lincoln Field (SULF) +0.539s
After
-120.0 dBm -12.75 dB 1 68 ShortTurbo 2026-05-15 23:34:29 UTC View
Some User Lincoln Field (SULF) +0.562s
After
-120.0 dBm -12.75 dB 1 68 ShortTurbo 2026-05-15 23:34:29 UTC View
Some User Lincoln Field (SULF) +0.583s
After
-120.0 dBm -12.75 dB 1 68 ShortTurbo 2026-05-15 23:34:29 UTC View
Some User Lincoln Field (SULF) +0.604s
After
-120.0 dBm -12.75 dB 1 68 ShortTurbo 2026-05-15 23:34:29 UTC View
Some User Lincoln Field (SULF) +0.626s
After
-120.0 dBm -12.75 dB 1 68 ShortTurbo 2026-05-15 23:34:29 UTC View
Some User Lincoln Field (SULF) +0.648s
After
-120.0 dBm -12.75 dB 1 68 ShortTurbo 2026-05-15 23:34:29 UTC View
Some User Lincoln Field (SULF) +0.672s
After
-120.0 dBm -12.75 dB 1 68 ShortTurbo 2026-05-15 23:34:29 UTC View
Some User Lincoln Field (SULF) +0.695s
After
-120.0 dBm -12.75 dB 1 68 ShortTurbo 2026-05-15 23:34:29 UTC View
Some User Lincoln Field (SULF) +0.718s
After
-120.0 dBm -12.75 dB 1 68 ShortTurbo 2026-05-15 23:34:29 UTC View
Some User Lincoln Field (SULF) +0.741s
After
-120.0 dBm -12.75 dB 1 68 ShortTurbo 2026-05-15 23:34:29 UTC View
Some User Lincoln Field (SULF) +0.762s
After
-120.0 dBm -12.75 dB 1 68 LongFast 2026-05-15 23:34:29 UTC View
45

Total Receptions

1

Unique Gateways