Packet #17977995 Success
NODEINFO_APP packet from Big IRN2 (IRN2) to !5cbb5b31
46
Total Receptions
2
Unique Gateways
2
Hop Count
73
Payload Bytes
Packet Information
| Database ID: | 17977995 |
|---|---|
| Mesh Packet ID: |
0x7ed33692
Used for correlation across gateways |
| Timestamp: | 2026-03-27 19:09:20 UTC |
| From Node: | Big IRN2 (IRN2) |
| To Node: | !5cbb5b31 (5b31) |
| Success: | Processed |
| Protocol: |
NODEINFO_APP
Port: 4 |
| Gateway: | Mechanicus Cadia (M3) |
|---|---|
| Channel: | ShortFast |
| RSSI: | -123 dBm |
| SNR: | -13.5 dBm |
| Hop Info: |
2/7 hops
Start: 7, Limit: 5 |
| Relay Node: |
75
Last byte of the last hop that relayed this packet |
Payload Data
Protocol: NODEINFO_APP
Size: 73 bytes
Decoded:
Yes
Decoded Data:
| Long Name: | Big IRN2 |
|---|---|
| Short Name: | IRN2 |
| Node ID: | !0407cef8 |
| MAC Address: | rKcEB874 |
| Hardware: | HELTEC_V3 |
Raw Packet Analysis
Complete field breakdown and MQTT privacy/exposure analysisPacket Structure
MQTT Packet Flow:
ServiceEnvelope (MQTT layer) → MeshPacket (Mesh layer) → Decoded Payload (Application data)
| Total Size: | 73 bytes |
|---|---|
| Gateway: | !4359649c |
| Channel: | ShortFast |
| Payload Type: | NODEINFO_APP |
| Hop Count: | 2 / 7 |
Privacy Summary
Exposure Level:
Direct Message
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 2 more...
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 2 more...
Exposure Risks:
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (2 hops)
+ 1 more...
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (2 hops)
+ 1 more...
MQTT ServiceEnvelope Fields
MQTT ServiceEnvelope contains the MeshPacket plus routing metadata
| Field | Value |
|---|---|
gateway_id |
!4359649c
Node ID format |
channel_id |
ShortFast
|
packet |
MeshPacket (73 bytes)
Contains the actual mesh network packet |
MeshPacket Fields
Core mesh packet with routing and payload information
| Field | Value | Type |
|---|---|---|
from |
67620600
Source node ID |
uint32 |
to |
1555782449
Target node ID |
uint32 |
decoded.portnum |
4
NODEINFO_APP |
enum |
decoded.payload_length |
73 bytes
|
size |
hop_limit |
5
Remaining hops allowed |
uint32 |
hop_start |
7
Initial hop limit |
uint32 |
hops_taken |
2
Calculated: hop_start - hop_limit |
derived |
rx_rssi |
-123.0 dBm
Signal strength at gateway |
int32 |
rx_snr |
-13.50 dB
Signal quality at gateway |
float |
rx_time |
1774638558
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 |
117
Relay node ID |
uint32 |
tx_after |
Not set | uint32 |
timestamp |
1774638560.6219172
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 (2 hops)
- ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
| Gateway ID: | !4359649c |
| Signal Metrics: |
RSSI: -123.0 dBm SNR: -13.50 dB |
Complete Payload Analysis
Detailed breakdown of all payload fields and decoded data
Payload Metadata:
| Protocol: | NODEINFO_APP |
|---|---|
| Size: | 73 bytes |
| Decoded: | Yes |
Complete Payload Data (JSON):
{
"id": "!0407cef8",
"long_name": "Big IRN2",
"short_name": "IRN2",
"macaddr": "rKcEB874",
"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": 67620600,
"to": 1555782449,
"id": 2127771282,
"rx_time": 1774638558,
"rx_snr": -13.5,
"rx_rssi": -123,
"hop_limit": 5,
"hop_start": 7,
"via_mqtt": false,
"want_ack": false,
"priority": 0,
"delayed": 0,
"channel_index": null,
"pki_encrypted": false,
"next_hop": 0,
"relay_node": 117,
"tx_after": 0,
"decoded": {
"portnum": 4,
"payload": "0a0921303430376365663812084269672049524e321a0449524e322206aca70407cef8282b422019a8354c7ad301985ca0e4e05f95098064a99ba6e84c11d444af8eca6ee8b7104800",
"want_response": null,
"dest": null,
"source": null,
"request_id": null,
"reply_id": null,
"emoji": null,
"parsed_payload": {
"id": "!0407cef8",
"long_name": "Big IRN2",
"short_name": "IRN2",
"macaddr": "rKcEB874",
"hw_model": "HELTEC_V3",
"public_key": "Gag1THrTAZhcoOTgX5UJgGSpm6boTBHURK+Oym7otxA=",
"is_unmessagable": false,
"type": "protobuf",
"portnum": "NODEINFO_APP",
"message_class": "User"
}
}
}
}
Raw Packet Data (73 bytes)
0a0921303430376365663812084269672049524e321a0449524e322206aca70407cef8282b422019a8354c7ad301985ca0e4e05f95098064a99ba6e84c11d444af8eca6ee8b7104800
Hex Analysis:
| Size: | 73 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 packetCorrelation: 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 |
-123.0 dBm | -13.50 dB | 2 |
75
|
ShortFast | 2026-03-27 19:09:20 UTC | Current |
| Mechanicus Cadia (M3) |
-0.718s
Before |
-123.0 dBm | -13.50 dB | 2 |
75
|
LongFast | 2026-03-27 19:09:19 UTC | View |
| Mechanicus Cadia (M3) |
-0.686s
Before |
-123.0 dBm | -13.50 dB | 2 |
75
|
LongFast | 2026-03-27 19:09:19 UTC | View |
| Mechanicus Cadia (M3) |
-0.662s
Before |
-123.0 dBm | -13.50 dB | 2 |
75
|
LongFast | 2026-03-27 19:09:19 UTC | View |
| Mechanicus Cadia (M3) |
-0.636s
Before |
-123.0 dBm | -13.50 dB | 2 |
75
|
LongFast | 2026-03-27 19:09:19 UTC | View |
| Mechanicus Cadia (M3) |
-0.613s
Before |
-123.0 dBm | -13.50 dB | 2 |
75
|
LongFast | 2026-03-27 19:09:20 UTC | View |
| Mechanicus Cadia (M3) |
-0.584s
Before |
-123.0 dBm | -13.50 dB | 2 |
75
|
LongFast | 2026-03-27 19:09:20 UTC | View |
| Mechanicus Cadia (M3) |
-0.556s
Before |
-123.0 dBm | -13.50 dB | 2 |
75
|
LongFast | 2026-03-27 19:09:20 UTC | View |
| Mechanicus Cadia (M3) |
-0.532s
Before |
-123.0 dBm | -13.50 dB | 2 |
75
|
LongFast | 2026-03-27 19:09:20 UTC | View |
| Mechanicus Cadia (M3) |
-0.509s
Before |
-123.0 dBm | -13.50 dB | 2 |
75
|
LongFast | 2026-03-27 19:09:20 UTC | View |
| Mechanicus Cadia (M3) |
-0.488s
Before |
-123.0 dBm | -13.50 dB | 2 |
75
|
LongFast | 2026-03-27 19:09:20 UTC | View |
| Mechanicus Cadia (M3) |
-0.466s
Before |
-123.0 dBm | -13.50 dB | 2 |
75
|
LongFast | 2026-03-27 19:09:20 UTC | View |
| Mechanicus Cadia (M3) |
-0.445s
Before |
-123.0 dBm | -13.50 dB | 2 |
75
|
MediumFast | 2026-03-27 19:09:20 UTC | View |
| Mechanicus Cadia (M3) |
-0.422s
Before |
-123.0 dBm | -13.50 dB | 2 |
75
|
MediumFast | 2026-03-27 19:09:20 UTC | View |
| Mechanicus Cadia (M3) |
-0.398s
Before |
-123.0 dBm | -13.50 dB | 2 |
75
|
MediumFast | 2026-03-27 19:09:20 UTC | View |
| Mechanicus Cadia (M3) |
-0.368s
Before |
-123.0 dBm | -13.50 dB | 2 |
75
|
MediumFast | 2026-03-27 19:09:20 UTC | View |
| Mechanicus Cadia (M3) |
-0.345s
Before |
-123.0 dBm | -13.50 dB | 2 |
75
|
MediumFast | 2026-03-27 19:09:20 UTC | View |
| Mechanicus Cadia (M3) |
-0.322s
Before |
-123.0 dBm | -13.50 dB | 2 |
75
|
MediumFast | 2026-03-27 19:09:20 UTC | View |
| Mechanicus Cadia (M3) |
-0.301s
Before |
-123.0 dBm | -13.50 dB | 2 |
75
|
MediumFast | 2026-03-27 19:09:20 UTC | View |
| Mechanicus Cadia (M3) |
-0.280s
Before |
-123.0 dBm | -13.50 dB | 2 |
75
|
MediumFast | 2026-03-27 19:09:20 UTC | View |
| Mechanicus Cadia (M3) |
-0.258s
Before |
-123.0 dBm | -13.50 dB | 2 |
75
|
MediumFast | 2026-03-27 19:09:20 UTC | View |
| Mechanicus Cadia (M3) |
-0.236s
Before |
-123.0 dBm | -13.50 dB | 2 |
75
|
MediumFast | 2026-03-27 19:09:20 UTC | View |
| Mechanicus Cadia (M3) |
-0.212s
Before |
-123.0 dBm | -13.50 dB | 2 |
75
|
MediumFast | 2026-03-27 19:09:20 UTC | View |
| Mechanicus Cadia (M3) |
-0.189s
Before |
-123.0 dBm | -13.50 dB | 2 |
75
|
ShortFast | 2026-03-27 19:09:20 UTC | View |
| Mechanicus Cadia (M3) |
-0.166s
Before |
-123.0 dBm | -13.50 dB | 2 |
75
|
ShortFast | 2026-03-27 19:09:20 UTC | View |
| Mechanicus Cadia (M3) |
-0.143s
Before |
-123.0 dBm | -13.50 dB | 2 |
75
|
ShortFast | 2026-03-27 19:09:20 UTC | View |
| Mechanicus Cadia (M3) |
-0.122s
Before |
-123.0 dBm | -13.50 dB | 2 |
75
|
ShortFast | 2026-03-27 19:09:20 UTC | View |
| Mechanicus Cadia (M3) |
-0.101s
Before |
-123.0 dBm | -13.50 dB | 2 |
75
|
ShortFast | 2026-03-27 19:09:20 UTC | View |
| Mechanicus Cadia (M3) |
-0.071s
Before |
-123.0 dBm | -13.50 dB | 2 |
75
|
ShortFast | 2026-03-27 19:09:20 UTC | View |
| Mechanicus Cadia (M3) |
-0.049s
Before |
-123.0 dBm | -13.50 dB | 2 |
75
|
ShortFast | 2026-03-27 19:09:20 UTC | View |
| Mechanicus Cadia (M3) |
-0.024s
Before |
-123.0 dBm | -13.50 dB | 2 |
75
|
ShortFast | 2026-03-27 19:09:20 UTC | View |
| Mechanicus Cadia (M3) |
+0.024s
After |
-123.0 dBm | -13.50 dB | 2 |
75
|
ShortFast | 2026-03-27 19:09:20 UTC | View |
| Mechanicus Cadia (M3) |
+0.046s
After |
-123.0 dBm | -13.50 dB | 2 |
75
|
ShortFast | 2026-03-27 19:09:20 UTC | View |
| Mechanicus Cadia (M3) |
+0.068s
After |
-123.0 dBm | -13.50 dB | 2 |
75
|
ShortTurbo | 2026-03-27 19:09:20 UTC | View |
| Mechanicus Cadia (M3) |
+0.089s
After |
-123.0 dBm | -13.50 dB | 2 |
75
|
ShortTurbo | 2026-03-27 19:09:20 UTC | View |
| Mechanicus Cadia (M3) |
+0.126s
After |
-123.0 dBm | -13.50 dB | 2 |
75
|
ShortTurbo | 2026-03-27 19:09:20 UTC | View |
| Mechanicus Cadia (M3) |
+0.165s
After |
-123.0 dBm | -13.50 dB | 2 |
75
|
ShortTurbo | 2026-03-27 19:09:20 UTC | View |
| Mechanicus Cadia (M3) |
+0.190s
After |
-123.0 dBm | -13.50 dB | 2 |
75
|
ShortTurbo | 2026-03-27 19:09:20 UTC | View |
| Mechanicus Cadia (M3) |
+0.213s
After |
-123.0 dBm | -13.50 dB | 2 |
75
|
ShortTurbo | 2026-03-27 19:09:20 UTC | View |
| Mechanicus Cadia (M3) |
+0.239s
After |
-123.0 dBm | -13.50 dB | 2 |
75
|
ShortTurbo | 2026-03-27 19:09:20 UTC | View |
| Mechanicus Cadia (M3) |
+0.261s
After |
-123.0 dBm | -13.50 dB | 2 |
75
|
ShortTurbo | 2026-03-27 19:09:20 UTC | View |
| Mechanicus Cadia (M3) |
+0.283s
After |
-123.0 dBm | -13.50 dB | 2 |
75
|
ShortTurbo | 2026-03-27 19:09:20 UTC | View |
| Mechanicus Cadia (M3) |
+0.329s
After |
-123.0 dBm | -13.50 dB | 2 |
75
|
ShortTurbo | 2026-03-27 19:09:20 UTC | View |
| Mechanicus Cadia (M3) |
+0.350s
After |
-123.0 dBm | -13.50 dB | 2 |
75
|
ShortTurbo | 2026-03-27 19:09:20 UTC | View |
| Mechanicus Cadia (M3) |
+0.372s
After |
-123.0 dBm | -13.50 dB | 2 |
75
|
LongFast | 2026-03-27 19:09:20 UTC | View |
| Mechanicus Alpha (M1) |
+0.397s
After |
-111.0 dBm | -4.25 dB | 2 |
75
|
LongFast | 2026-03-27 19:09:21 UTC | View |
46
Total Receptions
2
Unique Gateways