Packet #18020102 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: 18020102
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: LongFast
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:LongFast
Payload Type:NODEINFO_APP
Hop Count:Unknown / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
+ 1 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !4359649c
Node ID format
channel_id LongFast
Default public channel
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 1774647841.804527
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)
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Default channel - no encryption
  • ⚠ 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": "LongFast", "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 LongFast 2026-03-27 21:44:01 UTC Current
Mechanicus Cadia (M3) -0.348s
Before
Unknown Unknown 0 9c M3 LongFast 2026-03-27 21:44:01 UTC View
Mechanicus Cadia (M3) -0.305s
Before
Unknown Unknown 0 9c M3 LongFast 2026-03-27 21:44:01 UTC View
Mechanicus Cadia (M3) -0.278s
Before
Unknown Unknown 0 9c M3 LongFast 2026-03-27 21:44:01 UTC View
Mechanicus Cadia (M3) -0.250s
Before
Unknown Unknown 0 9c M3 LongFast 2026-03-27 21:44:01 UTC View
Mechanicus Cadia (M3) -0.208s
Before
Unknown Unknown 0 9c M3 LongFast 2026-03-27 21:44:01 UTC View
Mechanicus Cadia (M3) -0.173s
Before
Unknown Unknown 0 9c M3 LongFast 2026-03-27 21:44:01 UTC View
Mechanicus Cadia (M3) -0.117s
Before
Unknown Unknown 0 9c M3 LongFast 2026-03-27 21:44:01 UTC View
Mechanicus Cadia (M3) -0.090s
Before
Unknown Unknown 0 9c M3 LongFast 2026-03-27 21:44:01 UTC View
Mechanicus Cadia (M3) -0.063s
Before
Unknown Unknown 0 9c M3 LongFast 2026-03-27 21:44:01 UTC View
Mechanicus Cadia (M3) -0.038s
Before
Unknown Unknown 0 9c M3 LongFast 2026-03-27 21:44:01 UTC View
Mechanicus Cadia (M3) +0.044s
After
Unknown Unknown 0 9c M3 MediumFast 2026-03-27 21:44:01 UTC View
Mechanicus Cadia (M3) +0.087s
After
Unknown Unknown 0 9c M3 MediumFast 2026-03-27 21:44:01 UTC View
Mechanicus Cadia (M3) +0.124s
After
Unknown Unknown 0 9c M3 MediumFast 2026-03-27 21:44:01 UTC View
Mechanicus Cadia (M3) +0.154s
After
Unknown Unknown 0 9c M3 MediumFast 2026-03-27 21:44:01 UTC View
Mechanicus Cadia (M3) +0.193s
After
Unknown Unknown 0 9c M3 MediumFast 2026-03-27 21:44:01 UTC View
Mechanicus Cadia (M3) +0.225s
After
Unknown Unknown 0 9c M3 MediumFast 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.252s
After
Unknown Unknown 0 9c M3 MediumFast 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.310s
After
Unknown Unknown 0 9c M3 MediumFast 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.339s
After
Unknown Unknown 0 9c M3 MediumFast 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.364s
After
Unknown Unknown 0 9c M3 MediumFast 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.390s
After
Unknown Unknown 0 9c M3 MediumFast 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.413s
After
Unknown Unknown 0 9c M3 ShortFast 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.436s
After
Unknown Unknown 0 9c M3 ShortFast 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.463s
After
Unknown Unknown 0 9c M3 ShortFast 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.495s
After
Unknown Unknown 0 9c M3 ShortFast 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.520s
After
Unknown Unknown 0 9c M3 ShortFast 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.552s
After
Unknown Unknown 0 9c M3 ShortFast 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.575s
After
Unknown Unknown 0 9c M3 ShortFast 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.606s
After
Unknown Unknown 0 9c M3 ShortFast 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.635s
After
Unknown Unknown 0 9c M3 ShortFast 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.671s
After
Unknown Unknown 0 9c M3 ShortFast 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.695s
After
Unknown Unknown 0 9c M3 ShortFast 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.735s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.774s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.800s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.833s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.875s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.907s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.947s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +0.986s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +1.040s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +1.068s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +1.096s
After
Unknown Unknown 0 9c M3 ShortTurbo 2026-03-27 21:44:02 UTC View
Mechanicus Cadia (M3) +1.138s
After
Unknown Unknown 0 9c M3 LongFast 2026-03-27 21:44:02 UTC View
45

Total Receptions

1

Unique Gateways