Packet #17782437 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: 17782437
Mesh Packet ID: 0x8147b9e0
Used for correlation across gateways
Timestamp: 2026-03-27 09:07:00 UTC
From Node: Mechanicus Cadia (M3)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Mechanicus Cadia (M3)
Channel: ShortFast
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:ShortFast
Payload Type:NODEINFO_APP
Hop Count:Unknown / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 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 ShortFast
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 1774602418
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 1774602420.5962312
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: ShortFast
  • ✓ 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": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1129931932, "to": 4294967295, "id": 2168961504, "rx_time": 1774602418, "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

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 ShortFast 2026-03-27 09:07:00 UTC Current
Mechanicus Cadia (M3) -0.611s
Before 		Unknown Unknown 0 9c M3 LongFast 2026-03-27 09:06:59 UTC View
Mechanicus Cadia (M3) -0.572s
Before 		Unknown Unknown 0 9c M3 LongFast 2026-03-27 09:07:00 UTC View
Mechanicus Cadia (M3) -0.550s
Before 		Unknown Unknown 0 9c M3 LongFast 2026-03-27 09:07:00 UTC View
Mechanicus Cadia (M3) -0.529s
Before 		Unknown Unknown 0 9c M3 LongFast 2026-03-27 09:07:00 UTC View
Mechanicus Cadia (M3) -0.508s
Before 		Unknown Unknown 0 9c M3 LongFast 2026-03-27 09:07:00 UTC View
Mechanicus Cadia (M3) -0.487s
Before 		Unknown Unknown 0 9c M3 LongFast 2026-03-27 09:07:00 UTC View
Mechanicus Cadia (M3) -0.465s
Before 		Unknown Unknown 0 9c M3 LongFast 2026-03-27 09:07:00 UTC View
Mechanicus Cadia (M3) -0.442s
Before 		Unknown Unknown 0 9c M3 LongFast 2026-03-27 09:07:00 UTC View
Mechanicus Cadia (M3) -0.419s
Before 		Unknown Unknown 0 9c M3 LongFast 2026-03-27 09:07:00 UTC View
Mechanicus Cadia (M3) -0.396s
Before 		Unknown Unknown 0 9c M3 LongFast 2026-03-27 09:07:00 UTC View
Mechanicus Cadia (M3) -0.374s
Before 		Unknown Unknown 0 9c M3 LongFast 2026-03-27 09:07:00 UTC View
Mechanicus Cadia (M3) -0.353s
Before 		Unknown Unknown 0 9c M3 MediumFast 2026-03-27 09:07:00 UTC View
Mechanicus Cadia (M3) -0.333s
Before 		Unknown Unknown 0 9c M3 MediumFast 2026-03-27 09:07:00 UTC View
Mechanicus Cadia (M3) -0.312s
Before 		Unknown Unknown 0 9c M3 MediumFast 2026-03-27 09:07:00 UTC View
Mechanicus Cadia (M3) -0.290s
Before 		Unknown Unknown 0 9c M3 MediumFast 2026-03-27 09:07:00 UTC View
Mechanicus Cadia (M3) -0.266s
Before 		Unknown Unknown 0 9c M3 MediumFast 2026-03-27 09:07:00 UTC View
Mechanicus Cadia (M3) -0.243s
Before 		Unknown Unknown 0 9c M3 MediumFast 2026-03-27 09:07:00 UTC View
Mechanicus Cadia (M3) -0.220s
Before 		Unknown Unknown 0 9c M3 MediumFast 2026-03-27 09:07:00 UTC View
Mechanicus Cadia (M3) -0.198s
Before 		Unknown Unknown 0 9c M3 MediumFast 2026-03-27 09:07:00 UTC View
Mechanicus Cadia (M3) -0.178s
Before 		Unknown Unknown 0 9c M3 MediumFast 2026-03-27 09:07:00 UTC View
Mechanicus Cadia (M3) -0.157s
Before 		Unknown Unknown 0 9c M3 MediumFast 2026-03-27 09:07:00 UTC View
Mechanicus Cadia (M3) -0.135s
Before 		Unknown Unknown 0 9c M3 MediumFast 2026-03-27 09:07:00 UTC View
Mechanicus Cadia (M3) -0.113s
Before 		Unknown Unknown 0 9c M3 ShortFast 2026-03-27 09:07:00 UTC View
Mechanicus Cadia (M3) -0.090s
Before 		Unknown Unknown 0 9c M3 ShortFast 2026-03-27 09:07:00 UTC View
Mechanicus Cadia (M3) -0.066s
Before 		Unknown Unknown 0 9c M3 ShortFast 2026-03-27 09:07:00 UTC View
Mechanicus Cadia (M3) -0.043s
Before 		Unknown Unknown 0 9c M3 ShortFast 2026-03-27 09:07:00 UTC View
Mechanicus Cadia (M3) -0.021s
Before 		Unknown Unknown 0 9c M3 ShortFast 2026-03-27 09:07:00 UTC View
Mechanicus Cadia (M3) +0.020s
After 		Unknown Unknown 0 9c M3 ShortFast 2026-03-27 09:07:00 UTC View
Mechanicus Cadia (M3) +0.041s
After 		Unknown Unknown 0 9c M3 ShortFast 2026-03-27 09:07:00 UTC View
Mechanicus Cadia (M3) +0.063s
After 		Unknown Unknown 0 9c M3 ShortFast 2026-03-27 09:07:00 UTC View
Mechanicus Cadia (M3) +0.087s
After 		Unknown Unknown 0 9c M3 ShortFast 2026-03-27 09:07:00 UTC View
Mechanicus Cadia (M3) +0.110s
After 		Unknown Unknown 0 9c M3 ShortFast 2026-03-27 09:07:00 UTC View
Mechanicus Cadia (M3) +0.140s
After 		Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 09:07:00 UTC View
Mechanicus Cadia (M3) +0.160s
After 		Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 09:07:00 UTC View
Mechanicus Cadia (M3) +0.180s
After 		Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 09:07:00 UTC View
Mechanicus Cadia (M3) +0.200s
After 		Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 09:07:00 UTC View
Mechanicus Cadia (M3) +0.221s
After 		Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 09:07:00 UTC View
Mechanicus Cadia (M3) +0.244s
After 		Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 09:07:00 UTC View
Mechanicus Cadia (M3) +0.268s
After 		Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 09:07:00 UTC View
Mechanicus Cadia (M3) +0.290s
After 		Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 09:07:00 UTC View
Mechanicus Cadia (M3) +0.312s
After 		Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 09:07:00 UTC View
Mechanicus Cadia (M3) +0.339s
After 		Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 09:07:00 UTC View
Mechanicus Cadia (M3) +0.359s
After 		Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 09:07:00 UTC View
Mechanicus Cadia (M3) +0.379s
After 		Unknown Unknown 0 9c M3 LongFast 2026-03-27 09:07:00 UTC View
45

Total Receptions

1

Unique Gateways