Packet #17942390 Success
NODEINFO_APP packet from Big IRN2 (IRN2) to WYK9-MME (WYK9)
45
Total Receptions
1
Unique Gateways
3
Hop Count
73
Payload Bytes
Packet Information
| Database ID: | 17942390 |
|---|---|
| Mesh Packet ID: |
0x633d568c
Used for correlation across gateways |
| Timestamp: | 2026-03-27 17:08:49 UTC |
| From Node: | Big IRN2 (IRN2) |
| To Node: | WYK9-MME (WYK9) |
| Success: | Processed |
| Protocol: |
NODEINFO_APP
Port: 4 |
| Gateway: | Mechanicus Alpha (M1) |
|---|---|
| Channel: | LongFast |
| RSSI: | -115 dBm |
| SNR: | -8.0 dBm |
| Hop Info: |
3/7 hops
Start: 7, Limit: 4 |
| Relay Node: |
78
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: | !433e868c |
| Channel: | LongFast |
| Payload Type: | NODEINFO_APP |
| Hop Count: | 3 / 7 |
Privacy Summary
Exposure Level:
Direct Message
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 1 more...
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 1 more...
Exposure Risks:
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
+ 2 more...
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields
MQTT ServiceEnvelope contains the MeshPacket plus routing metadata
| Field | Value |
|---|---|
gateway_id |
!433e868c
Node ID format |
channel_id |
LongFast
Default public channel |
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 |
3677332528
Target node ID |
uint32 |
decoded.portnum |
4
NODEINFO_APP |
enum |
decoded.payload_length |
73 bytes
|
size |
hop_limit |
4
Remaining hops allowed |
uint32 |
hop_start |
7
Initial hop limit |
uint32 |
hops_taken |
3
Calculated: hop_start - hop_limit |
derived |
rx_rssi |
-115.0 dBm
Signal strength at gateway |
int32 |
rx_snr |
-8.00 dB
Signal quality at gateway |
float |
rx_time |
1774631328
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 |
120
Relay node ID |
uint32 |
tx_after |
Not set | uint32 |
timestamp |
1774631329.812168
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
- ✓ Gateway node ID tracked
Exposure Risks:
- ⚠ Default channel - no encryption
- ⚠ Packet visible to MQTT subscribers
- ⚠ Multi-hop path visible (3 hops)
- ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
| Gateway ID: | !433e868c |
| Signal Metrics: |
RSSI: -115.0 dBm SNR: -8.00 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": "!433e868c",
"channel_id": "LongFast",
"packet": "MeshPacket (see mesh_packet below)"
},
"mesh_packet": {
"from": 67620600,
"to": 3677332528,
"id": 1664964236,
"rx_time": 1774631328,
"rx_snr": -8.0,
"rx_rssi": -115,
"hop_limit": 4,
"hop_start": 7,
"via_mqtt": false,
"want_ack": false,
"priority": 0,
"delayed": 0,
"channel_index": null,
"pki_encrypted": false,
"next_hop": 0,
"relay_node": 120,
"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 Alpha (M1) Primary |
0.000s
Reference |
-115.0 dBm | -8.00 dB | 3 |
78
|
LongFast | 2026-03-27 17:08:49 UTC | Current |
| Mechanicus Alpha (M1) |
-0.190s
Before |
-115.0 dBm | -8.00 dB | 3 |
78
|
LongFast | 2026-03-27 17:08:49 UTC | View |
| Mechanicus Alpha (M1) |
-0.137s
Before |
-115.0 dBm | -8.00 dB | 3 |
78
|
LongFast | 2026-03-27 17:08:49 UTC | View |
| Mechanicus Alpha (M1) |
-0.110s
Before |
-115.0 dBm | -8.00 dB | 3 |
78
|
LongFast | 2026-03-27 17:08:49 UTC | View |
| Mechanicus Alpha (M1) |
-0.089s
Before |
-115.0 dBm | -8.00 dB | 3 |
78
|
LongFast | 2026-03-27 17:08:49 UTC | View |
| Mechanicus Alpha (M1) |
-0.068s
Before |
-115.0 dBm | -8.00 dB | 3 |
78
|
LongFast | 2026-03-27 17:08:49 UTC | View |
| Mechanicus Alpha (M1) |
-0.047s
Before |
-115.0 dBm | -8.00 dB | 3 |
78
|
LongFast | 2026-03-27 17:08:49 UTC | View |
| Mechanicus Alpha (M1) |
-0.024s
Before |
-115.0 dBm | -8.00 dB | 3 |
78
|
LongFast | 2026-03-27 17:08:49 UTC | View |
| Mechanicus Alpha (M1) |
+0.023s
After |
-115.0 dBm | -8.00 dB | 3 |
78
|
LongFast | 2026-03-27 17:08:49 UTC | View |
| Mechanicus Alpha (M1) |
+0.046s
After |
-115.0 dBm | -8.00 dB | 3 |
78
|
LongFast | 2026-03-27 17:08:49 UTC | View |
| Mechanicus Alpha (M1) |
+0.067s
After |
-115.0 dBm | -8.00 dB | 3 |
78
|
LongFast | 2026-03-27 17:08:49 UTC | View |
| Mechanicus Alpha (M1) |
+0.088s
After |
-115.0 dBm | -8.00 dB | 3 |
78
|
MediumFast | 2026-03-27 17:08:49 UTC | View |
| Mechanicus Alpha (M1) |
+0.108s
After |
-115.0 dBm | -8.00 dB | 3 |
78
|
MediumFast | 2026-03-27 17:08:49 UTC | View |
| Mechanicus Alpha (M1) |
+0.129s
After |
-115.0 dBm | -8.00 dB | 3 |
78
|
MediumFast | 2026-03-27 17:08:49 UTC | View |
| Mechanicus Alpha (M1) |
+0.152s
After |
-115.0 dBm | -8.00 dB | 3 |
78
|
MediumFast | 2026-03-27 17:08:49 UTC | View |
| Mechanicus Alpha (M1) |
+0.176s
After |
-115.0 dBm | -8.00 dB | 3 |
78
|
MediumFast | 2026-03-27 17:08:49 UTC | View |
| Mechanicus Alpha (M1) |
+0.199s
After |
-115.0 dBm | -8.00 dB | 3 |
78
|
MediumFast | 2026-03-27 17:08:50 UTC | View |
| Mechanicus Alpha (M1) |
+0.221s
After |
-115.0 dBm | -8.00 dB | 3 |
78
|
MediumFast | 2026-03-27 17:08:50 UTC | View |
| Mechanicus Alpha (M1) |
+0.243s
After |
-115.0 dBm | -8.00 dB | 3 |
78
|
MediumFast | 2026-03-27 17:08:50 UTC | View |
| Mechanicus Alpha (M1) |
+0.263s
After |
-115.0 dBm | -8.00 dB | 3 |
78
|
MediumFast | 2026-03-27 17:08:50 UTC | View |
| Mechanicus Alpha (M1) |
+0.284s
After |
-115.0 dBm | -8.00 dB | 3 |
78
|
MediumFast | 2026-03-27 17:08:50 UTC | View |
| Mechanicus Alpha (M1) |
+0.305s
After |
-115.0 dBm | -8.00 dB | 3 |
78
|
MediumFast | 2026-03-27 17:08:50 UTC | View |
| Mechanicus Alpha (M1) |
+0.328s
After |
-115.0 dBm | -8.00 dB | 3 |
78
|
ShortFast | 2026-03-27 17:08:50 UTC | View |
| Mechanicus Alpha (M1) |
+0.351s
After |
-115.0 dBm | -8.00 dB | 3 |
78
|
ShortFast | 2026-03-27 17:08:50 UTC | View |
| Mechanicus Alpha (M1) |
+0.374s
After |
-115.0 dBm | -8.00 dB | 3 |
78
|
ShortFast | 2026-03-27 17:08:50 UTC | View |
| Mechanicus Alpha (M1) |
+0.397s
After |
-115.0 dBm | -8.00 dB | 3 |
78
|
ShortFast | 2026-03-27 17:08:50 UTC | View |
| Mechanicus Alpha (M1) |
+0.418s
After |
-115.0 dBm | -8.00 dB | 3 |
78
|
ShortFast | 2026-03-27 17:08:50 UTC | View |
| Mechanicus Alpha (M1) |
+0.439s
After |
-115.0 dBm | -8.00 dB | 3 |
78
|
ShortFast | 2026-03-27 17:08:50 UTC | View |
| Mechanicus Alpha (M1) |
+0.460s
After |
-115.0 dBm | -8.00 dB | 3 |
78
|
ShortFast | 2026-03-27 17:08:50 UTC | View |
| Mechanicus Alpha (M1) |
+0.480s
After |
-115.0 dBm | -8.00 dB | 3 |
78
|
ShortFast | 2026-03-27 17:08:50 UTC | View |
| Mechanicus Alpha (M1) |
+0.504s
After |
-115.0 dBm | -8.00 dB | 3 |
78
|
ShortFast | 2026-03-27 17:08:50 UTC | View |
| Mechanicus Alpha (M1) |
+0.528s
After |
-115.0 dBm | -8.00 dB | 3 |
78
|
ShortFast | 2026-03-27 17:08:50 UTC | View |
| Mechanicus Alpha (M1) |
+0.550s
After |
-115.0 dBm | -8.00 dB | 3 |
78
|
ShortFast | 2026-03-27 17:08:50 UTC | View |
| Mechanicus Alpha (M1) |
+0.573s
After |
-115.0 dBm | -8.00 dB | 3 |
78
|
ShortTurbo | 2026-03-27 17:08:50 UTC | View |
| Mechanicus Alpha (M1) |
+0.594s
After |
-115.0 dBm | -8.00 dB | 3 |
78
|
ShortTurbo | 2026-03-27 17:08:50 UTC | View |
| Mechanicus Alpha (M1) |
+0.615s
After |
-115.0 dBm | -8.00 dB | 3 |
78
|
ShortTurbo | 2026-03-27 17:08:50 UTC | View |
| Mechanicus Alpha (M1) |
+0.636s
After |
-115.0 dBm | -8.00 dB | 3 |
78
|
ShortTurbo | 2026-03-27 17:08:50 UTC | View |
| Mechanicus Alpha (M1) |
+0.656s
After |
-115.0 dBm | -8.00 dB | 3 |
78
|
ShortTurbo | 2026-03-27 17:08:50 UTC | View |
| Mechanicus Alpha (M1) |
+0.678s
After |
-115.0 dBm | -8.00 dB | 3 |
78
|
ShortTurbo | 2026-03-27 17:08:50 UTC | View |
| Mechanicus Alpha (M1) |
+0.701s
After |
-115.0 dBm | -8.00 dB | 3 |
78
|
ShortTurbo | 2026-03-27 17:08:50 UTC | View |
| Mechanicus Alpha (M1) |
+0.725s
After |
-115.0 dBm | -8.00 dB | 3 |
78
|
ShortTurbo | 2026-03-27 17:08:50 UTC | View |
| Mechanicus Alpha (M1) |
+0.747s
After |
-115.0 dBm | -8.00 dB | 3 |
78
|
ShortTurbo | 2026-03-27 17:08:50 UTC | View |
| Mechanicus Alpha (M1) |
+0.768s
After |
-115.0 dBm | -8.00 dB | 3 |
78
|
ShortTurbo | 2026-03-27 17:08:50 UTC | View |
| Mechanicus Alpha (M1) |
+0.789s
After |
-115.0 dBm | -8.00 dB | 3 |
78
|
ShortTurbo | 2026-03-27 17:08:50 UTC | View |
| Mechanicus Alpha (M1) |
+0.809s
After |
-115.0 dBm | -8.00 dB | 3 |
78
|
LongFast | 2026-03-27 17:08:50 UTC | View |
45
Total Receptions
1
Unique Gateways