Packet #18020106 Success

NODEINFO_APP packet from Mechanicus Cadia (M3) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
79
Payload Bytes
Packet Information
Database ID: 18020106
Mesh Packet ID: 0xa70e52b2
Used for correlation across gateways
Timestamp: 2026-03-27 21:44:01 UTC
From Node: Mechanicus Cadia (M3)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Mechanicus Cadia (M3)
Channel: MediumFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/7 hops
Start: 7, Limit: 7
Relay Node: 9c M3
Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions
Payload Data
Protocol: NODEINFO_APP
Size: 79 bytes
Decoded: Yes
Decoded Data:
Long Name:Mechanicus Cadia
Short Name:M3
Node ID:!4359649c
MAC Address:SMpDWWSc
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:79 bytes
Gateway:!4359649c
Channel:MediumFast
Payload Type:NODEINFO_APP
Hop Count:Unknown / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 2 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !4359649c
Node ID format
channel_id MediumFast
packet MeshPacket (79 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1129931932
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 4
NODEINFO_APP
enum
decoded.payload_length 79 bytes size
hop_limit 7
Remaining hops allowed
uint32
hop_start 7
Initial hop limit
uint32
hops_taken 0
Calculated: hop_start - hop_limit
derived
rx_rssi Not set int32
rx_snr Not set float
rx_time 1774647839
Receive timestamp
fixed32
via_mqtt False
Direct LoRa transmission
bool
want_ack False
No ACK requested
bool
priority 10
Packet priority level
enum
delayed Not set enum
channel Not set uint32
pki_encrypted False
Standard encryption
bool
next_hop Not set uint32
relay_node 156
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774647841.9582057
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
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
MQTT-Specific Fields
Gateway ID: !4359649c
Zero Hop Policy: Enabled
Direct gateway connection
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:79 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!4359649c", "long_name": "Mechanicus Cadia", "short_name": "M3", "macaddr": "SMpDWWSc", "hw_model": "HELTEC_V3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!4359649c", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1129931932, "to": 4294967295, "id": 2802733746, "rx_time": 1774647839, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 7, "hop_start": 7, "via_mqtt": false, "want_ack": false, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 156, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a0921343335393634396312104d656368616e696375732043616469611a024d33220648ca4359649c282b4220d9791de101d45f1c8c053c9d2a9a74a6cb1857eb7a4c22d60a481178329fe5264801", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!4359649c", "long_name": "Mechanicus Cadia", "short_name": "M3", "macaddr": "SMpDWWSc", "hw_model": "HELTEC_V3", "public_key": "2Xkd4QHUXxyMBTydKpp0pssYV+t6TCLWCkgReDKf5SY=", "is_unmessagable": true, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (79 bytes)
0a0921343335393634396312104d656368616e696375732043616469611a024d33220648ca4359649c282b4220d9791de101d45f1c8c053c9d2a9a74a6cb1857eb7a4c22d60a481178329fe5264801
Hex Analysis:
Size:79 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
Unknown Unknown 0 9c M3 MediumFast 2026-03-27 21:44:01 UTC Current
Mechanicus Cadia (M3) -0.502s
Before
Unknown Unknown 0 9c M3 LongFast 2026-03-27 21:44:01 UTC View
Mechanicus Cadia (M3) -0.459s
Before
Unknown Unknown 0 9c M3 LongFast 2026-03-27 21:44:01 UTC View
Mechanicus Cadia (M3) -0.432s
Before
Unknown Unknown 0 9c M3 LongFast 2026-03-27 21:44:01 UTC View
Mechanicus Cadia (M3) -0.404s
Before
Unknown Unknown 0 9c M3 LongFast 2026-03-27 21:44:01 UTC View
Mechanicus Cadia (M3) -0.362s
Before
Unknown Unknown 0 9c M3 LongFast 2026-03-27 21:44:01 UTC View
Mechanicus Cadia (M3) -0.326s
Before
Unknown Unknown 0 9c M3 LongFast 2026-03-27 21:44:01 UTC View
Mechanicus Cadia (M3) -0.270s
Before
Unknown Unknown 0 9c M3 LongFast 2026-03-27 21:44:01 UTC View
Mechanicus Cadia (M3) -0.243s
Before
Unknown Unknown 0 9c M3 LongFast 2026-03-27 21:44:01 UTC View
Mechanicus Cadia (M3) -0.216s
Before
Unknown Unknown 0 9c M3 LongFast 2026-03-27 21:44:01 UTC View
Mechanicus Cadia (M3) -0.191s
Before
Unknown Unknown 0 9c M3 LongFast 2026-03-27 21:44:01 UTC View
Mechanicus Cadia (M3) -0.154s
Before
Unknown Unknown 0 9c M3 LongFast 2026-03-27 21:44:01 UTC View
Mechanicus Cadia (M3) -0.110s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-03-27 21:44:01 UTC View
Mechanicus Cadia (M3) -0.067s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-03-27 21:44:01 UTC View
Mechanicus Cadia (M3) -0.030s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-03-27 21:44:01 UTC View
Mechanicus Cadia (M3) +0.040s
After
Unknown Unknown 0 9c M3 MediumFast 2026-03-27 21:44:01 UTC View
Mechanicus Cadia (M3) +0.071s
After
Unknown Unknown 0 9c M3 MediumFast 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.099s
After
Unknown Unknown 0 9c M3 MediumFast 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.157s
After
Unknown Unknown 0 9c M3 MediumFast 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.185s
After
Unknown Unknown 0 9c M3 MediumFast 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.210s
After
Unknown Unknown 0 9c M3 MediumFast 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.236s
After
Unknown Unknown 0 9c M3 MediumFast 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.259s
After
Unknown Unknown 0 9c M3 ShortFast 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.282s
After
Unknown Unknown 0 9c M3 ShortFast 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.310s
After
Unknown Unknown 0 9c M3 ShortFast 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.341s
After
Unknown Unknown 0 9c M3 ShortFast 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.366s
After
Unknown Unknown 0 9c M3 ShortFast 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.398s
After
Unknown Unknown 0 9c M3 ShortFast 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.421s
After
Unknown Unknown 0 9c M3 ShortFast 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.453s
After
Unknown Unknown 0 9c M3 ShortFast 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.481s
After
Unknown Unknown 0 9c M3 ShortFast 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.517s
After
Unknown Unknown 0 9c M3 ShortFast 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.542s
After
Unknown Unknown 0 9c M3 ShortFast 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.582s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.620s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.646s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.679s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.721s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.754s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.794s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.832s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.886s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.914s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.942s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.985s
After
Unknown Unknown 0 9c M3 LongFast 2026-03-27 21:44:02 UTC View
45

Total Receptions

1

Unique Gateways