Packet #18019251 Success
NODEINFO_APP packet from VC2 to !ffffffff
45
Total Receptions
1
Unique Gateways
1
Hop Count
69
Payload Bytes
Packet Information
| Database ID: | 18019251 |
|---|---|
| Mesh Packet ID: |
0x234775f3
Used for correlation across gateways |
| Timestamp: | 2026-03-27 21:41:30 UTC |
| From Node: | VC2 (3438) |
| To Node: | !ffffffff (ffff) |
| Success: | Processed |
| Protocol: |
NODEINFO_APP
Port: 4 |
| Gateway: | FourSisters (4sis) |
|---|---|
| Channel: | MediumFast |
| RSSI: | -100 dBm |
| SNR: | 0.5 dBm |
| Hop Info: |
1/7 hops
Start: 7, Limit: 6 |
| Relay Node: |
a0
Last byte of the last hop that relayed this packet |
Payload Data
Protocol: NODEINFO_APP
Size: 69 bytes
Decoded:
Yes
Decoded Data:
| Long Name: | VC2 |
|---|---|
| Short Name: | VC2 |
| Node ID: | !336a3438 |
| MAC Address: | ZOgzajQ4 |
| 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: | 69 bytes |
|---|---|
| Gateway: | !a0cb14e8 |
| Channel: | MediumFast |
| Payload Type: | NODEINFO_APP |
| Hop Count: | 1 / 7 |
Privacy Summary
Exposure Level:
Broadcast
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 1 more...
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 1 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 2 more...
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields
MQTT ServiceEnvelope contains the MeshPacket plus routing metadata
| Field | Value |
|---|---|
gateway_id |
!a0cb14e8
Node ID format |
channel_id |
MediumFast
|
packet |
MeshPacket (69 bytes)
Contains the actual mesh network packet |
MeshPacket Fields
Core mesh packet with routing and payload information
| Field | Value | Type |
|---|---|---|
from |
862598200
Source node ID |
uint32 |
to |
4294967295 (Broadcast)
Visible to all nodes |
uint32 |
decoded.portnum |
4
NODEINFO_APP |
enum |
decoded.payload_length |
69 bytes
|
size |
hop_limit |
6
Remaining hops allowed |
uint32 |
hop_start |
7
Initial hop limit |
uint32 |
hops_taken |
1
Calculated: hop_start - hop_limit |
derived |
rx_rssi |
-100.0 dBm
Signal strength at gateway |
int32 |
rx_snr |
0.50 dB
Signal quality at gateway |
float |
rx_time |
1774647688
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 |
160
Relay node ID |
uint32 |
tx_after |
Not set | uint32 |
timestamp |
1774647690.9009955
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: MediumFast
- ✓ Gateway node ID tracked
Exposure Risks:
- ⚠ Visible to all nodes on channel
- ⚠ Packet visible to MQTT subscribers
- ⚠ Multi-hop path visible (1 hops)
- ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
| Gateway ID: | !a0cb14e8 |
| Signal Metrics: |
RSSI: -100.0 dBm SNR: 0.50 dB |
Complete Payload Analysis
Detailed breakdown of all payload fields and decoded data
Payload Metadata:
| Protocol: | NODEINFO_APP |
|---|---|
| Size: | 69 bytes |
| Decoded: | Yes |
Complete Payload Data (JSON):
{
"id": "!336a3438",
"long_name": "VC2",
"short_name": "VC2",
"macaddr": "ZOgzajQ4",
"hw_model": "HELTEC_V3"
}
Complete Protobuf Decode (JSON)
{
"service_envelope": {
"gateway_id": "!a0cb14e8",
"channel_id": "MediumFast",
"packet": "MeshPacket (see mesh_packet below)"
},
"mesh_packet": {
"from": 862598200,
"to": 4294967295,
"id": 591885811,
"rx_time": 1774647688,
"rx_snr": 0.5,
"rx_rssi": -100,
"hop_limit": 6,
"hop_start": 7,
"via_mqtt": false,
"want_ack": false,
"priority": 0,
"delayed": 0,
"channel_index": null,
"pki_encrypted": false,
"next_hop": 0,
"relay_node": 160,
"tx_after": 0,
"decoded": {
"portnum": 4,
"payload": "0a0921333336613334333812035643321a03564332220664e8336a3438282b3801422078d248f4b7701509161abf18726f80c65c1060bfa47e8ecfa1eed4f323f87a724800",
"want_response": null,
"dest": null,
"source": null,
"request_id": null,
"reply_id": null,
"emoji": null,
"parsed_payload": {
"id": "!336a3438",
"long_name": "VC2",
"short_name": "VC2",
"macaddr": "ZOgzajQ4",
"hw_model": "HELTEC_V3",
"role": "CLIENT_MUTE",
"public_key": "eNJI9LdwFQkWGr8Ycm+AxlwQYL+kfo7Poe7U8yP4enI=",
"is_unmessagable": false,
"type": "protobuf",
"portnum": "NODEINFO_APP",
"message_class": "User"
}
}
}
}
Raw Packet Data (69 bytes)
0a0921333336613334333812035643321a03564332220664e8336a3438282b3801422078d248f4b7701509161abf18726f80c65c1060bfa47e8ecfa1eed4f323f87a724800
Hex Analysis:
| Size: | 69 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 |
|---|---|---|---|---|---|---|---|---|
| FourSisters (4sis) Primary |
0.000s
Reference |
-100.0 dBm | 0.50 dB | 1 |
a0
|
MediumFast | 2026-03-27 21:41:30 UTC | Current |
| FourSisters (4sis) |
-0.310s
Before |
-100.0 dBm | 0.50 dB | 1 |
a0
|
LongFast | 2026-03-27 21:41:30 UTC | View |
| FourSisters (4sis) |
-0.277s
Before |
-100.0 dBm | 0.50 dB | 1 |
a0
|
LongFast | 2026-03-27 21:41:30 UTC | View |
| FourSisters (4sis) |
-0.256s
Before |
-100.0 dBm | 0.50 dB | 1 |
a0
|
LongFast | 2026-03-27 21:41:30 UTC | View |
| FourSisters (4sis) |
-0.235s
Before |
-100.0 dBm | 0.50 dB | 1 |
a0
|
LongFast | 2026-03-27 21:41:30 UTC | View |
| FourSisters (4sis) |
-0.215s
Before |
-100.0 dBm | 0.50 dB | 1 |
a0
|
LongFast | 2026-03-27 21:41:30 UTC | View |
| FourSisters (4sis) |
-0.193s
Before |
-100.0 dBm | 0.50 dB | 1 |
a0
|
LongFast | 2026-03-27 21:41:30 UTC | View |
| FourSisters (4sis) |
-0.170s
Before |
-100.0 dBm | 0.50 dB | 1 |
a0
|
LongFast | 2026-03-27 21:41:30 UTC | View |
| FourSisters (4sis) |
-0.148s
Before |
-100.0 dBm | 0.50 dB | 1 |
a0
|
LongFast | 2026-03-27 21:41:30 UTC | View |
| FourSisters (4sis) |
-0.126s
Before |
-100.0 dBm | 0.50 dB | 1 |
a0
|
LongFast | 2026-03-27 21:41:30 UTC | View |
| FourSisters (4sis) |
-0.104s
Before |
-100.0 dBm | 0.50 dB | 1 |
a0
|
LongFast | 2026-03-27 21:41:30 UTC | View |
| FourSisters (4sis) |
-0.083s
Before |
-100.0 dBm | 0.50 dB | 1 |
a0
|
LongFast | 2026-03-27 21:41:30 UTC | View |
| FourSisters (4sis) |
-0.063s
Before |
-100.0 dBm | 0.50 dB | 1 |
a0
|
MediumFast | 2026-03-27 21:41:30 UTC | View |
| FourSisters (4sis) |
-0.043s
Before |
-100.0 dBm | 0.50 dB | 1 |
a0
|
MediumFast | 2026-03-27 21:41:30 UTC | View |
| FourSisters (4sis) |
-0.023s
Before |
-100.0 dBm | 0.50 dB | 1 |
a0
|
MediumFast | 2026-03-27 21:41:30 UTC | View |
| FourSisters (4sis) |
+0.022s
After |
-100.0 dBm | 0.50 dB | 1 |
a0
|
MediumFast | 2026-03-27 21:41:30 UTC | View |
| FourSisters (4sis) |
+0.044s
After |
-100.0 dBm | 0.50 dB | 1 |
a0
|
MediumFast | 2026-03-27 21:41:30 UTC | View |
| FourSisters (4sis) |
+0.065s
After |
-100.0 dBm | 0.50 dB | 1 |
a0
|
MediumFast | 2026-03-27 21:41:30 UTC | View |
| FourSisters (4sis) |
+0.085s
After |
-100.0 dBm | 0.50 dB | 1 |
a0
|
MediumFast | 2026-03-27 21:41:30 UTC | View |
| FourSisters (4sis) |
+0.105s
After |
-100.0 dBm | 0.50 dB | 1 |
a0
|
MediumFast | 2026-03-27 21:41:31 UTC | View |
| FourSisters (4sis) |
+0.125s
After |
-100.0 dBm | 0.50 dB | 1 |
a0
|
MediumFast | 2026-03-27 21:41:31 UTC | View |
| FourSisters (4sis) |
+0.150s
After |
-100.0 dBm | 0.50 dB | 1 |
a0
|
MediumFast | 2026-03-27 21:41:31 UTC | View |
| FourSisters (4sis) |
+0.173s
After |
-100.0 dBm | 0.50 dB | 1 |
a0
|
ShortFast | 2026-03-27 21:41:31 UTC | View |
| FourSisters (4sis) |
+0.195s
After |
-100.0 dBm | 0.50 dB | 1 |
a0
|
ShortFast | 2026-03-27 21:41:31 UTC | View |
| FourSisters (4sis) |
+0.219s
After |
-100.0 dBm | 0.50 dB | 1 |
a0
|
ShortFast | 2026-03-27 21:41:31 UTC | View |
| FourSisters (4sis) |
+0.241s
After |
-100.0 dBm | 0.50 dB | 1 |
a0
|
ShortFast | 2026-03-27 21:41:31 UTC | View |
| FourSisters (4sis) |
+0.262s
After |
-100.0 dBm | 0.50 dB | 1 |
a0
|
ShortFast | 2026-03-27 21:41:31 UTC | View |
| FourSisters (4sis) |
+0.283s
After |
-100.0 dBm | 0.50 dB | 1 |
a0
|
ShortFast | 2026-03-27 21:41:31 UTC | View |
| FourSisters (4sis) |
+0.304s
After |
-100.0 dBm | 0.50 dB | 1 |
a0
|
ShortFast | 2026-03-27 21:41:31 UTC | View |
| FourSisters (4sis) |
+0.325s
After |
-100.0 dBm | 0.50 dB | 1 |
a0
|
ShortFast | 2026-03-27 21:41:31 UTC | View |
| FourSisters (4sis) |
+0.348s
After |
-100.0 dBm | 0.50 dB | 1 |
a0
|
ShortFast | 2026-03-27 21:41:31 UTC | View |
| FourSisters (4sis) |
+0.372s
After |
-100.0 dBm | 0.50 dB | 1 |
a0
|
ShortFast | 2026-03-27 21:41:31 UTC | View |
| FourSisters (4sis) |
+0.396s
After |
-100.0 dBm | 0.50 dB | 1 |
a0
|
ShortFast | 2026-03-27 21:41:31 UTC | View |
| FourSisters (4sis) |
+0.416s
After |
-100.0 dBm | 0.50 dB | 1 |
a0
|
ShortTurbo | 2026-03-27 21:41:31 UTC | View |
| FourSisters (4sis) |
+0.436s
After |
-100.0 dBm | 0.50 dB | 1 |
a0
|
ShortTurbo | 2026-03-27 21:41:31 UTC | View |
| FourSisters (4sis) |
+0.456s
After |
-100.0 dBm | 0.50 dB | 1 |
a0
|
ShortTurbo | 2026-03-27 21:41:31 UTC | View |
| FourSisters (4sis) |
+0.489s
After |
-100.0 dBm | 0.50 dB | 1 |
a0
|
ShortTurbo | 2026-03-27 21:41:31 UTC | View |
| FourSisters (4sis) |
+0.511s
After |
-100.0 dBm | 0.50 dB | 1 |
a0
|
ShortTurbo | 2026-03-27 21:41:31 UTC | View |
| FourSisters (4sis) |
+0.533s
After |
-100.0 dBm | 0.50 dB | 1 |
a0
|
ShortTurbo | 2026-03-27 21:41:31 UTC | View |
| FourSisters (4sis) |
+0.555s
After |
-100.0 dBm | 0.50 dB | 1 |
a0
|
ShortTurbo | 2026-03-27 21:41:31 UTC | View |
| FourSisters (4sis) |
+0.577s
After |
-100.0 dBm | 0.50 dB | 1 |
a0
|
ShortTurbo | 2026-03-27 21:41:31 UTC | View |
| FourSisters (4sis) |
+0.598s
After |
-100.0 dBm | 0.50 dB | 1 |
a0
|
ShortTurbo | 2026-03-27 21:41:31 UTC | View |
| FourSisters (4sis) |
+0.619s
After |
-100.0 dBm | 0.50 dB | 1 |
a0
|
ShortTurbo | 2026-03-27 21:41:31 UTC | View |
| FourSisters (4sis) |
+0.639s
After |
-100.0 dBm | 0.50 dB | 1 |
a0
|
ShortTurbo | 2026-03-27 21:41:31 UTC | View |
| FourSisters (4sis) |
+0.662s
After |
-100.0 dBm | 0.50 dB | 1 |
a0
|
LongFast | 2026-03-27 21:41:31 UTC | View |
45
Total Receptions
1
Unique Gateways