Packet #39351450 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: 39351450
Mesh Packet ID: 0x68ef3f58
Used for correlation across gateways
Timestamp: 2026-05-15 23:34:29 UTC
From Node: Meshtastic e900 (bub1)
To Node: !823d1070 (1070)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Some User Lincoln Field (SULF)
Channel: ShortFast
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:ShortFast
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 ShortFast
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 1778888069.0734396
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: ShortFast
  • ✓ 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": "ShortFast", "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
Loading...

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 ShortFast 2026-05-15 23:34:29 UTC Current
Some User Lincoln Field (SULF) -0.661s
Before
-120.0 dBm -12.75 dB 1 68 LongFast 2026-05-15 23:34:28 UTC View
Some User Lincoln Field (SULF) -0.638s
Before
-120.0 dBm -12.75 dB 1 68 LongFast 2026-05-15 23:34:28 UTC View
Some User Lincoln Field (SULF) -0.603s
Before
-120.0 dBm -12.75 dB 1 68 LongFast 2026-05-15 23:34:28 UTC View
Some User Lincoln Field (SULF) -0.577s
Before
-120.0 dBm -12.75 dB 1 68 LongFast 2026-05-15 23:34:28 UTC View
Some User Lincoln Field (SULF) -0.555s
Before
-120.0 dBm -12.75 dB 1 68 LongFast 2026-05-15 23:34:28 UTC View
Some User Lincoln Field (SULF) -0.533s
Before
-120.0 dBm -12.75 dB 1 68 LongFast 2026-05-15 23:34:28 UTC View
Some User Lincoln Field (SULF) -0.512s
Before
-120.0 dBm -12.75 dB 1 68 LongFast 2026-05-15 23:34:28 UTC View
Some User Lincoln Field (SULF) -0.491s
Before
-120.0 dBm -12.75 dB 1 68 LongFast 2026-05-15 23:34:28 UTC View
Some User Lincoln Field (SULF) -0.469s
Before
-120.0 dBm -12.75 dB 1 68 LongFast 2026-05-15 23:34:28 UTC View
Some User Lincoln Field (SULF) -0.445s
Before
-120.0 dBm -12.75 dB 1 68 LongFast 2026-05-15 23:34:28 UTC View
Some User Lincoln Field (SULF) -0.421s
Before
-120.0 dBm -12.75 dB 1 68 LongFast 2026-05-15 23:34:28 UTC View
Some User Lincoln Field (SULF) -0.398s
Before
-120.0 dBm -12.75 dB 1 68 MediumFast 2026-05-15 23:34:28 UTC View
Some User Lincoln Field (SULF) -0.375s
Before
-120.0 dBm -12.75 dB 1 68 MediumFast 2026-05-15 23:34:28 UTC View
Some User Lincoln Field (SULF) -0.354s
Before
-120.0 dBm -12.75 dB 1 68 MediumFast 2026-05-15 23:34:28 UTC View
Some User Lincoln Field (SULF) -0.333s
Before
-120.0 dBm -12.75 dB 1 68 MediumFast 2026-05-15 23:34:28 UTC View
Some User Lincoln Field (SULF) -0.310s
Before
-120.0 dBm -12.75 dB 1 68 MediumFast 2026-05-15 23:34:28 UTC View
Some User Lincoln Field (SULF) -0.288s
Before
-120.0 dBm -12.75 dB 1 68 MediumFast 2026-05-15 23:34:28 UTC View
Some User Lincoln Field (SULF) -0.255s
Before
-120.0 dBm -12.75 dB 1 68 MediumFast 2026-05-15 23:34:28 UTC View
Some User Lincoln Field (SULF) -0.223s
Before
-120.0 dBm -12.75 dB 1 68 MediumFast 2026-05-15 23:34:28 UTC View
Some User Lincoln Field (SULF) -0.201s
Before
-120.0 dBm -12.75 dB 1 68 MediumFast 2026-05-15 23:34:28 UTC View
Some User Lincoln Field (SULF) -0.180s
Before
-120.0 dBm -12.75 dB 1 68 MediumFast 2026-05-15 23:34:28 UTC View
Some User Lincoln Field (SULF) -0.159s
Before
-120.0 dBm -12.75 dB 1 68 MediumFast 2026-05-15 23:34:28 UTC View
Some User Lincoln Field (SULF) -0.137s
Before
-120.0 dBm -12.75 dB 1 68 ShortFast 2026-05-15 23:34:28 UTC View
Some User Lincoln Field (SULF) -0.115s
Before
-120.0 dBm -12.75 dB 1 68 ShortFast 2026-05-15 23:34:28 UTC View
Some User Lincoln Field (SULF) -0.091s
Before
-120.0 dBm -12.75 dB 1 68 ShortFast 2026-05-15 23:34:28 UTC View
Some User Lincoln Field (SULF) -0.067s
Before
-120.0 dBm -12.75 dB 1 68 ShortFast 2026-05-15 23:34:29 UTC View
Some User Lincoln Field (SULF) -0.044s
Before
-120.0 dBm -12.75 dB 1 68 ShortFast 2026-05-15 23:34:29 UTC View
Some User Lincoln Field (SULF) -0.021s
Before
-120.0 dBm -12.75 dB 1 68 ShortFast 2026-05-15 23:34:29 UTC View
Some User Lincoln Field (SULF) +0.021s
After
-120.0 dBm -12.75 dB 1 68 ShortFast 2026-05-15 23:34:29 UTC View
Some User Lincoln Field (SULF) +0.048s
After
-120.0 dBm -12.75 dB 1 68 ShortFast 2026-05-15 23:34:29 UTC View
Some User Lincoln Field (SULF) +0.070s
After
-120.0 dBm -12.75 dB 1 68 ShortFast 2026-05-15 23:34:29 UTC View
Some User Lincoln Field (SULF) +0.094s
After
-120.0 dBm -12.75 dB 1 68 ShortFast 2026-05-15 23:34:29 UTC View
Some User Lincoln Field (SULF) +0.117s
After
-120.0 dBm -12.75 dB 1 68 ShortTurbo 2026-05-15 23:34:29 UTC View
Some User Lincoln Field (SULF) +0.141s
After
-120.0 dBm -12.75 dB 1 68 ShortTurbo 2026-05-15 23:34:29 UTC View
Some User Lincoln Field (SULF) +0.164s
After
-120.0 dBm -12.75 dB 1 68 ShortTurbo 2026-05-15 23:34:29 UTC View
Some User Lincoln Field (SULF) +0.185s
After
-120.0 dBm -12.75 dB 1 68 ShortTurbo 2026-05-15 23:34:29 UTC View
Some User Lincoln Field (SULF) +0.206s
After
-120.0 dBm -12.75 dB 1 68 ShortTurbo 2026-05-15 23:34:29 UTC View
Some User Lincoln Field (SULF) +0.228s
After
-120.0 dBm -12.75 dB 1 68 ShortTurbo 2026-05-15 23:34:29 UTC View
Some User Lincoln Field (SULF) +0.250s
After
-120.0 dBm -12.75 dB 1 68 ShortTurbo 2026-05-15 23:34:29 UTC View
Some User Lincoln Field (SULF) +0.274s
After
-120.0 dBm -12.75 dB 1 68 ShortTurbo 2026-05-15 23:34:29 UTC View
Some User Lincoln Field (SULF) +0.297s
After
-120.0 dBm -12.75 dB 1 68 ShortTurbo 2026-05-15 23:34:29 UTC View
Some User Lincoln Field (SULF) +0.321s
After
-120.0 dBm -12.75 dB 1 68 ShortTurbo 2026-05-15 23:34:29 UTC View
Some User Lincoln Field (SULF) +0.343s
After
-120.0 dBm -12.75 dB 1 68 ShortTurbo 2026-05-15 23:34:29 UTC View
Some User Lincoln Field (SULF) +0.364s
After
-120.0 dBm -12.75 dB 1 68 LongFast 2026-05-15 23:34:29 UTC View
45

Total Receptions

1

Unique Gateways