Packet #39351437 Success
NODEINFO_APP packet from Meshtastic e900 (bub1) to !823d1070
45
Total Receptions
1
Unique Gateways
1
Hop Count
80
Payload Bytes
Packet Information
| Database ID: | 39351437 |
|---|---|
| Mesh Packet ID: |
0x68ef3f58
Used for correlation across gateways |
| Timestamp: | 2026-05-15 23:34:28 UTC |
| From Node: | Meshtastic e900 (bub1) |
| To Node: | !823d1070 (1070) |
| Success: | Processed |
| Protocol: |
NODEINFO_APP
Port: 4 |
| Gateway: | Some User Lincoln Field (SULF) |
|---|---|
| Channel: | MediumFast |
| RSSI: | -120 dBm |
| SNR: | -12.75 dBm |
| Hop Info: |
1/3 hops
Start: 3, Limit: 2 |
| Relay Node: |
68
Last byte of the last hop that relayed this packet |
Payload Data
Protocol: NODEINFO_APP
Size: 80 bytes
Decoded:
Yes
Decoded Data:
| Long Name: | Meshtastic e900 |
|---|---|
| Short Name: | bub1 |
| Node ID: | !433ce900 |
| MAC Address: | SMpDPOkA |
| 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: | 80 bytes |
|---|---|
| Gateway: | !b03c96ac |
| Channel: | MediumFast |
| Payload Type: | NODEINFO_APP |
| Hop Count: | 1 / 3 |
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 (1 hops)
+ 1 more...
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (1 hops)
+ 1 more...
MQTT ServiceEnvelope Fields
MQTT ServiceEnvelope contains the MeshPacket plus routing metadata
| Field | Value |
|---|---|
gateway_id |
!b03c96ac
Node ID format |
channel_id |
MediumFast
|
packet |
MeshPacket (80 bytes)
Contains the actual mesh network packet |
MeshPacket Fields
Core mesh packet with routing and payload information
| Field | Value | Type |
|---|---|---|
from |
1128065280
Source node ID |
uint32 |
to |
2185039984
Target node ID |
uint32 |
decoded.portnum |
4
NODEINFO_APP |
enum |
decoded.payload_length |
80 bytes
|
size |
hop_limit |
2
Remaining hops allowed |
uint32 |
hop_start |
3
Initial hop limit |
uint32 |
hops_taken |
1
Calculated: hop_start - hop_limit |
derived |
rx_rssi |
-120.0 dBm
Signal strength at gateway |
int32 |
rx_snr |
-12.75 dB
Signal quality at gateway |
float |
rx_time |
1778888067
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 |
104
Relay node ID |
uint32 |
tx_after |
Not set | uint32 |
timestamp |
1778888068.7631896
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: MediumFast
- ✓ Gateway node ID tracked
Exposure Risks:
- ⚠ Packet visible to MQTT subscribers
- ⚠ Multi-hop path visible (1 hops)
- ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
| Gateway ID: | !b03c96ac |
| Signal Metrics: |
RSSI: -120.0 dBm SNR: -12.75 dB |
Complete Payload Analysis
Detailed breakdown of all payload fields and decoded data
Payload Metadata:
| Protocol: | NODEINFO_APP |
|---|---|
| Size: | 80 bytes |
| Decoded: | Yes |
Complete Payload Data (JSON):
{
"id": "!433ce900",
"long_name": "Meshtastic e900",
"short_name": "bub1",
"macaddr": "SMpDPOkA",
"hw_model": "HELTEC_V3"
}
Complete Protobuf Decode (JSON)
{
"service_envelope": {
"gateway_id": "!b03c96ac",
"channel_id": "MediumFast",
"packet": "MeshPacket (see mesh_packet below)"
},
"mesh_packet": {
"from": 1128065280,
"to": 2185039984,
"id": 1760509784,
"rx_time": 1778888067,
"rx_snr": -12.75,
"rx_rssi": -120,
"hop_limit": 2,
"hop_start": 3,
"via_mqtt": false,
"want_ack": false,
"priority": 0,
"delayed": 0,
"channel_index": null,
"pki_encrypted": false,
"next_hop": 0,
"relay_node": 104,
"tx_after": 0,
"decoded": {
"portnum": 4,
"payload": "0a09213433336365393030120f4d65736874617374696320653930301a0462756231220648ca433ce900282b422007c9443e73d534dda4c2b9e0b5fa5559b25e51bbc473c856a6af128005cd0f0b4800",
"want_response": null,
"dest": null,
"source": null,
"request_id": null,
"reply_id": null,
"emoji": null,
"parsed_payload": {
"id": "!433ce900",
"long_name": "Meshtastic e900",
"short_name": "bub1",
"macaddr": "SMpDPOkA",
"hw_model": "HELTEC_V3",
"public_key": "B8lEPnPVNN2kwrngtfpVWbJeUbvEc8hWpq8SgAXNDws=",
"is_unmessagable": false,
"type": "protobuf",
"portnum": "NODEINFO_APP",
"message_class": "User"
}
}
}
}
Raw Packet Data (80 bytes)
0a09213433336365393030120f4d65736874617374696320653930301a0462756231220648ca433ce900282b422007c9443e73d534dda4c2b9e0b5fa5559b25e51bbc473c856a6af128005cd0f0b4800
Hex Analysis:
| Size: | 80 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 |
|---|---|---|---|---|---|---|---|---|
| Some User Lincoln Field (SULF) Primary |
0.000s
Reference |
-120.0 dBm | -12.75 dB | 1 |
68
|
MediumFast | 2026-05-15 23:34:28 UTC | Current |
| Some User Lincoln Field (SULF) |
-0.351s
Before |
-120.0 dBm | -12.75 dB | 1 |
68
|
LongFast | 2026-05-15 23:34:28 UTC | View |
| Some User Lincoln Field (SULF) |
-0.328s
Before |
-120.0 dBm | -12.75 dB | 1 |
68
|
LongFast | 2026-05-15 23:34:28 UTC | View |
| Some User Lincoln Field (SULF) |
-0.293s
Before |
-120.0 dBm | -12.75 dB | 1 |
68
|
LongFast | 2026-05-15 23:34:28 UTC | View |
| Some User Lincoln Field (SULF) |
-0.266s
Before |
-120.0 dBm | -12.75 dB | 1 |
68
|
LongFast | 2026-05-15 23:34:28 UTC | View |
| Some User Lincoln Field (SULF) |
-0.245s
Before |
-120.0 dBm | -12.75 dB | 1 |
68
|
LongFast | 2026-05-15 23:34:28 UTC | View |
| Some User Lincoln Field (SULF) |
-0.223s
Before |
-120.0 dBm | -12.75 dB | 1 |
68
|
LongFast | 2026-05-15 23:34:28 UTC | View |
| Some User Lincoln Field (SULF) |
-0.201s
Before |
-120.0 dBm | -12.75 dB | 1 |
68
|
LongFast | 2026-05-15 23:34:28 UTC | View |
| Some User Lincoln Field (SULF) |
-0.181s
Before |
-120.0 dBm | -12.75 dB | 1 |
68
|
LongFast | 2026-05-15 23:34:28 UTC | View |
| Some User Lincoln Field (SULF) |
-0.158s
Before |
-120.0 dBm | -12.75 dB | 1 |
68
|
LongFast | 2026-05-15 23:34:28 UTC | View |
| Some User Lincoln Field (SULF) |
-0.135s
Before |
-120.0 dBm | -12.75 dB | 1 |
68
|
LongFast | 2026-05-15 23:34:28 UTC | View |
| Some User Lincoln Field (SULF) |
-0.111s
Before |
-120.0 dBm | -12.75 dB | 1 |
68
|
LongFast | 2026-05-15 23:34:28 UTC | View |
| Some User Lincoln Field (SULF) |
-0.088s
Before |
-120.0 dBm | -12.75 dB | 1 |
68
|
MediumFast | 2026-05-15 23:34:28 UTC | View |
| Some User Lincoln Field (SULF) |
-0.065s
Before |
-120.0 dBm | -12.75 dB | 1 |
68
|
MediumFast | 2026-05-15 23:34:28 UTC | View |
| Some User Lincoln Field (SULF) |
-0.044s
Before |
-120.0 dBm | -12.75 dB | 1 |
68
|
MediumFast | 2026-05-15 23:34:28 UTC | View |
| Some User Lincoln Field (SULF) |
-0.023s
Before |
-120.0 dBm | -12.75 dB | 1 |
68
|
MediumFast | 2026-05-15 23:34:28 UTC | View |
| Some User Lincoln Field (SULF) |
+0.023s
After |
-120.0 dBm | -12.75 dB | 1 |
68
|
MediumFast | 2026-05-15 23:34:28 UTC | View |
| Some User Lincoln Field (SULF) |
+0.055s
After |
-120.0 dBm | -12.75 dB | 1 |
68
|
MediumFast | 2026-05-15 23:34:28 UTC | View |
| Some User Lincoln Field (SULF) |
+0.087s
After |
-120.0 dBm | -12.75 dB | 1 |
68
|
MediumFast | 2026-05-15 23:34:28 UTC | View |
| Some User Lincoln Field (SULF) |
+0.110s
After |
-120.0 dBm | -12.75 dB | 1 |
68
|
MediumFast | 2026-05-15 23:34:28 UTC | View |
| Some User Lincoln Field (SULF) |
+0.131s
After |
-120.0 dBm | -12.75 dB | 1 |
68
|
MediumFast | 2026-05-15 23:34:28 UTC | View |
| Some User Lincoln Field (SULF) |
+0.152s
After |
-120.0 dBm | -12.75 dB | 1 |
68
|
MediumFast | 2026-05-15 23:34:28 UTC | View |
| Some User Lincoln Field (SULF) |
+0.173s
After |
-120.0 dBm | -12.75 dB | 1 |
68
|
ShortFast | 2026-05-15 23:34:28 UTC | View |
| Some User Lincoln Field (SULF) |
+0.195s
After |
-120.0 dBm | -12.75 dB | 1 |
68
|
ShortFast | 2026-05-15 23:34:28 UTC | View |
| Some User Lincoln Field (SULF) |
+0.220s
After |
-120.0 dBm | -12.75 dB | 1 |
68
|
ShortFast | 2026-05-15 23:34:28 UTC | View |
| Some User Lincoln Field (SULF) |
+0.243s
After |
-120.0 dBm | -12.75 dB | 1 |
68
|
ShortFast | 2026-05-15 23:34:29 UTC | View |
| Some User Lincoln Field (SULF) |
+0.266s
After |
-120.0 dBm | -12.75 dB | 1 |
68
|
ShortFast | 2026-05-15 23:34:29 UTC | View |
| Some User Lincoln Field (SULF) |
+0.289s
After |
-120.0 dBm | -12.75 dB | 1 |
68
|
ShortFast | 2026-05-15 23:34:29 UTC | View |
| Some User Lincoln Field (SULF) |
+0.310s
After |
-120.0 dBm | -12.75 dB | 1 |
68
|
ShortFast | 2026-05-15 23:34:29 UTC | View |
| Some User Lincoln Field (SULF) |
+0.331s
After |
-120.0 dBm | -12.75 dB | 1 |
68
|
ShortFast | 2026-05-15 23:34:29 UTC | View |
| Some User Lincoln Field (SULF) |
+0.358s
After |
-120.0 dBm | -12.75 dB | 1 |
68
|
ShortFast | 2026-05-15 23:34:29 UTC | View |
| Some User Lincoln Field (SULF) |
+0.380s
After |
-120.0 dBm | -12.75 dB | 1 |
68
|
ShortFast | 2026-05-15 23:34:29 UTC | View |
| Some User Lincoln Field (SULF) |
+0.404s
After |
-120.0 dBm | -12.75 dB | 1 |
68
|
ShortFast | 2026-05-15 23:34:29 UTC | View |
| Some User Lincoln Field (SULF) |
+0.428s
After |
-120.0 dBm | -12.75 dB | 1 |
68
|
ShortTurbo | 2026-05-15 23:34:29 UTC | View |
| Some User Lincoln Field (SULF) |
+0.451s
After |
-120.0 dBm | -12.75 dB | 1 |
68
|
ShortTurbo | 2026-05-15 23:34:29 UTC | View |
| Some User Lincoln Field (SULF) |
+0.474s
After |
-120.0 dBm | -12.75 dB | 1 |
68
|
ShortTurbo | 2026-05-15 23:34:29 UTC | View |
| Some User Lincoln Field (SULF) |
+0.495s
After |
-120.0 dBm | -12.75 dB | 1 |
68
|
ShortTurbo | 2026-05-15 23:34:29 UTC | View |
| Some User Lincoln Field (SULF) |
+0.516s
After |
-120.0 dBm | -12.75 dB | 1 |
68
|
ShortTurbo | 2026-05-15 23:34:29 UTC | View |
| Some User Lincoln Field (SULF) |
+0.538s
After |
-120.0 dBm | -12.75 dB | 1 |
68
|
ShortTurbo | 2026-05-15 23:34:29 UTC | View |
| Some User Lincoln Field (SULF) |
+0.561s
After |
-120.0 dBm | -12.75 dB | 1 |
68
|
ShortTurbo | 2026-05-15 23:34:29 UTC | View |
| Some User Lincoln Field (SULF) |
+0.584s
After |
-120.0 dBm | -12.75 dB | 1 |
68
|
ShortTurbo | 2026-05-15 23:34:29 UTC | View |
| Some User Lincoln Field (SULF) |
+0.608s
After |
-120.0 dBm | -12.75 dB | 1 |
68
|
ShortTurbo | 2026-05-15 23:34:29 UTC | View |
| Some User Lincoln Field (SULF) |
+0.631s
After |
-120.0 dBm | -12.75 dB | 1 |
68
|
ShortTurbo | 2026-05-15 23:34:29 UTC | View |
| Some User Lincoln Field (SULF) |
+0.653s
After |
-120.0 dBm | -12.75 dB | 1 |
68
|
ShortTurbo | 2026-05-15 23:34:29 UTC | View |
| Some User Lincoln Field (SULF) |
+0.674s
After |
-120.0 dBm | -12.75 dB | 1 |
68
|
LongFast | 2026-05-15 23:34:29 UTC | View |
45
Total Receptions
1
Unique Gateways