Packet #18020122 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: 18020122
Mesh Packet ID: 0xa70e52b2
Used for correlation across gateways
Timestamp: 2026-03-27 21:44:02 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 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 1774647842.4394877
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": 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
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
Mechanicus Cadia (M3) Primary 0.000s
Reference
Unknown Unknown 0 9c M3 ShortFast 2026-03-27 21:44:02 UTC Current
Mechanicus Cadia (M3) -0.983s
Before
Unknown Unknown 0 9c M3 LongFast 2026-03-27 21:44:01 UTC View
Mechanicus Cadia (M3) -0.940s
Before
Unknown Unknown 0 9c M3 LongFast 2026-03-27 21:44:01 UTC View
Mechanicus Cadia (M3) -0.913s
Before
Unknown Unknown 0 9c M3 LongFast 2026-03-27 21:44:01 UTC View
Mechanicus Cadia (M3) -0.885s
Before
Unknown Unknown 0 9c M3 LongFast 2026-03-27 21:44:01 UTC View
Mechanicus Cadia (M3) -0.843s
Before
Unknown Unknown 0 9c M3 LongFast 2026-03-27 21:44:01 UTC View
Mechanicus Cadia (M3) -0.808s
Before
Unknown Unknown 0 9c M3 LongFast 2026-03-27 21:44:01 UTC View
Mechanicus Cadia (M3) -0.752s
Before
Unknown Unknown 0 9c M3 LongFast 2026-03-27 21:44:01 UTC View
Mechanicus Cadia (M3) -0.725s
Before
Unknown Unknown 0 9c M3 LongFast 2026-03-27 21:44:01 UTC View
Mechanicus Cadia (M3) -0.698s
Before
Unknown Unknown 0 9c M3 LongFast 2026-03-27 21:44:01 UTC View
Mechanicus Cadia (M3) -0.672s
Before
Unknown Unknown 0 9c M3 LongFast 2026-03-27 21:44:01 UTC View
Mechanicus Cadia (M3) -0.635s
Before
Unknown Unknown 0 9c M3 LongFast 2026-03-27 21:44:01 UTC View
Mechanicus Cadia (M3) -0.591s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-03-27 21:44:01 UTC View
Mechanicus Cadia (M3) -0.548s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-03-27 21:44:01 UTC View
Mechanicus Cadia (M3) -0.511s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-03-27 21:44:01 UTC View
Mechanicus Cadia (M3) -0.481s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-03-27 21:44:01 UTC View
Mechanicus Cadia (M3) -0.442s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-03-27 21:44:01 UTC View
Mechanicus Cadia (M3) -0.410s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) -0.382s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) -0.325s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) -0.296s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) -0.271s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) -0.245s
Before
Unknown Unknown 0 9c M3 MediumFast 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) -0.222s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) -0.199s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) -0.172s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) -0.140s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) -0.115s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) -0.083s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) -0.060s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) -0.029s
Before
Unknown Unknown 0 9c M3 ShortFast 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.036s
After
Unknown Unknown 0 9c M3 ShortFast 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.060s
After
Unknown Unknown 0 9c M3 ShortFast 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.100s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.139s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.165s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.198s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.240s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.272s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.312s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.351s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.405s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.433s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.461s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.503s
After
Unknown Unknown 0 9c M3 LongFast 2026-03-27 21:44:02 UTC View
45

Total Receptions

1

Unique Gateways