Packet #18261968 Success
NODEINFO_APP packet from Meshtastic 8b90 (8b90) to !ffffffff
45
Total Receptions
1
Unique Gateways
0
Hop Count
82
Payload Bytes
Packet Information
| Database ID: | 18261968 |
|---|---|
| Mesh Packet ID: |
0x319ac5bc
Used for correlation across gateways |
| Timestamp: | 2026-03-28 11:47:41 UTC |
| From Node: | Meshtastic 8b90 (8b90) |
| To Node: | !ffffffff (ffff) |
| Success: | Processed |
| Protocol: |
NODEINFO_APP
Port: 4 |
| Gateway: | Meshtastic 8b90 (8b90) |
|---|---|
| Channel: | LongFast |
| RSSI: | Unknown |
| SNR: | Unknown |
| Hop Info: |
0/3 hops
Start: 3, Limit: 3 |
| Relay Node: |
90
8b90
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: 82 bytes
Decoded:
Yes
Decoded Data:
| Long Name: | Meshtastic 8b90 |
|---|---|
| Short Name: | 8b90 |
| Node ID: | !75e98b90 |
| MAC Address: | 3FR16YuQ |
| 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: | 82 bytes |
|---|---|
| Gateway: | !75e98b90 |
| Channel: | LongFast |
| Payload Type: | NODEINFO_APP |
| Hop Count: | Unknown / 3 |
Privacy Summary
Exposure Level:
Broadcast
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
+ 1 more...
✓ 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...
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 1 more...
MQTT ServiceEnvelope Fields
MQTT ServiceEnvelope contains the MeshPacket plus routing metadata
| Field | Value |
|---|---|
gateway_id |
!75e98b90
Node ID format |
channel_id |
LongFast
Default public channel |
packet |
MeshPacket (82 bytes)
Contains the actual mesh network packet |
MeshPacket Fields
Core mesh packet with routing and payload information
| Field | Value | Type |
|---|---|---|
from |
1978239888
Source node ID |
uint32 |
to |
4294967295 (Broadcast)
Visible to all nodes |
uint32 |
decoded.portnum |
4
NODEINFO_APP |
enum |
decoded.payload_length |
82 bytes
|
size |
hop_limit |
3
Remaining hops allowed |
uint32 |
hop_start |
3
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 |
1774698461
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 |
144
Relay node ID |
uint32 |
tx_after |
Not set | uint32 |
timestamp |
1774698461.9328132
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: | !75e98b90 |
| 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: | 82 bytes |
| Decoded: | Yes |
Complete Payload Data (JSON):
{
"id": "!75e98b90",
"long_name": "Meshtastic 8b90",
"short_name": "8b90",
"macaddr": "3FR16YuQ",
"hw_model": "HELTEC_V3"
}
Complete Protobuf Decode (JSON)
{
"service_envelope": {
"gateway_id": "!75e98b90",
"channel_id": "LongFast",
"packet": "MeshPacket (see mesh_packet below)"
},
"mesh_packet": {
"from": 1978239888,
"to": 4294967295,
"id": 832226748,
"rx_time": 1774698461,
"rx_snr": 0.0,
"rx_rssi": 0,
"hop_limit": 3,
"hop_start": 3,
"via_mqtt": false,
"want_ack": false,
"priority": 10,
"delayed": 0,
"channel_index": null,
"pki_encrypted": false,
"next_hop": 0,
"relay_node": 144,
"tx_after": 0,
"decoded": {
"portnum": 4,
"payload": "0a09213735653938623930120f4d65736874617374696320386239301a04386239302206dc5475e98b90282b380c4220e2f62154a9e594ba5bd55a90ffddd09d8df948d87b6cb106cbb1c9064cf0cc334800",
"want_response": null,
"dest": null,
"source": null,
"request_id": null,
"reply_id": null,
"emoji": null,
"parsed_payload": {
"id": "!75e98b90",
"long_name": "Meshtastic 8b90",
"short_name": "8b90",
"macaddr": "3FR16YuQ",
"hw_model": "HELTEC_V3",
"role": "CLIENT_BASE",
"public_key": "4vYhVKnllLpb1VqQ/93QnY35SNh7bLEGy7HJBkzwzDM=",
"is_unmessagable": false,
"type": "protobuf",
"portnum": "NODEINFO_APP",
"message_class": "User"
}
}
}
}
Raw Packet Data (82 bytes)
0a09213735653938623930120f4d65736874617374696320386239301a04386239302206dc5475e98b90282b380c4220e2f62154a9e594ba5bd55a90ffddd09d8df948d87b6cb106cbb1c9064cf0cc334800
Hex Analysis:
| Size: | 82 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 |
|---|---|---|---|---|---|---|---|---|
| Meshtastic 8b90 (8b90) Primary |
0.000s
Reference |
Unknown | Unknown | 0 |
90
8b90
|
LongFast | 2026-03-28 11:47:41 UTC | Current |
| Meshtastic 8b90 (8b90) |
-0.074s
Before |
Unknown | Unknown | 0 |
90
8b90
|
LongFast | 2026-03-28 11:47:41 UTC | View |
| Meshtastic 8b90 (8b90) |
-0.046s
Before |
Unknown | Unknown | 0 |
90
8b90
|
LongFast | 2026-03-28 11:47:41 UTC | View |
| Meshtastic 8b90 (8b90) |
-0.023s
Before |
Unknown | Unknown | 0 |
90
8b90
|
LongFast | 2026-03-28 11:47:41 UTC | View |
| Meshtastic 8b90 (8b90) |
+0.028s
After |
Unknown | Unknown | 0 |
90
8b90
|
LongFast | 2026-03-28 11:47:41 UTC | View |
| Meshtastic 8b90 (8b90) |
+0.050s
After |
Unknown | Unknown | 0 |
90
8b90
|
LongFast | 2026-03-28 11:47:41 UTC | View |
| Meshtastic 8b90 (8b90) |
+0.071s
After |
Unknown | Unknown | 0 |
90
8b90
|
LongFast | 2026-03-28 11:47:42 UTC | View |
| Meshtastic 8b90 (8b90) |
+0.094s
After |
Unknown | Unknown | 0 |
90
8b90
|
LongFast | 2026-03-28 11:47:42 UTC | View |
| Meshtastic 8b90 (8b90) |
+0.119s
After |
Unknown | Unknown | 0 |
90
8b90
|
LongFast | 2026-03-28 11:47:42 UTC | View |
| Meshtastic 8b90 (8b90) |
+0.143s
After |
Unknown | Unknown | 0 |
90
8b90
|
LongFast | 2026-03-28 11:47:42 UTC | View |
| Meshtastic 8b90 (8b90) |
+0.167s
After |
Unknown | Unknown | 0 |
90
8b90
|
LongFast | 2026-03-28 11:47:42 UTC | View |
| Meshtastic 8b90 (8b90) |
+0.189s
After |
Unknown | Unknown | 0 |
90
8b90
|
MediumFast | 2026-03-28 11:47:42 UTC | View |
| Meshtastic 8b90 (8b90) |
+0.211s
After |
Unknown | Unknown | 0 |
90
8b90
|
MediumFast | 2026-03-28 11:47:42 UTC | View |
| Meshtastic 8b90 (8b90) |
+0.232s
After |
Unknown | Unknown | 0 |
90
8b90
|
MediumFast | 2026-03-28 11:47:42 UTC | View |
| Meshtastic 8b90 (8b90) |
+0.253s
After |
Unknown | Unknown | 0 |
90
8b90
|
MediumFast | 2026-03-28 11:47:42 UTC | View |
| Meshtastic 8b90 (8b90) |
+0.277s
After |
Unknown | Unknown | 0 |
90
8b90
|
MediumFast | 2026-03-28 11:47:42 UTC | View |
| Meshtastic 8b90 (8b90) |
+0.302s
After |
Unknown | Unknown | 0 |
90
8b90
|
MediumFast | 2026-03-28 11:47:42 UTC | View |
| Meshtastic 8b90 (8b90) |
+0.326s
After |
Unknown | Unknown | 0 |
90
8b90
|
MediumFast | 2026-03-28 11:47:42 UTC | View |
| Meshtastic 8b90 (8b90) |
+0.350s
After |
Unknown | Unknown | 0 |
90
8b90
|
MediumFast | 2026-03-28 11:47:42 UTC | View |
| Meshtastic 8b90 (8b90) |
+0.372s
After |
Unknown | Unknown | 0 |
90
8b90
|
MediumFast | 2026-03-28 11:47:42 UTC | View |
| Meshtastic 8b90 (8b90) |
+0.394s
After |
Unknown | Unknown | 0 |
90
8b90
|
MediumFast | 2026-03-28 11:47:42 UTC | View |
| Meshtastic 8b90 (8b90) |
+0.415s
After |
Unknown | Unknown | 0 |
90
8b90
|
MediumFast | 2026-03-28 11:47:42 UTC | View |
| Meshtastic 8b90 (8b90) |
+0.437s
After |
Unknown | Unknown | 0 |
90
8b90
|
ShortFast | 2026-03-28 11:47:42 UTC | View |
| Meshtastic 8b90 (8b90) |
+0.460s
After |
Unknown | Unknown | 0 |
90
8b90
|
ShortFast | 2026-03-28 11:47:42 UTC | View |
| Meshtastic 8b90 (8b90) |
+0.485s
After |
Unknown | Unknown | 0 |
90
8b90
|
ShortFast | 2026-03-28 11:47:42 UTC | View |
| Meshtastic 8b90 (8b90) |
+0.509s
After |
Unknown | Unknown | 0 |
90
8b90
|
ShortFast | 2026-03-28 11:47:42 UTC | View |
| Meshtastic 8b90 (8b90) |
+0.533s
After |
Unknown | Unknown | 0 |
90
8b90
|
ShortFast | 2026-03-28 11:47:42 UTC | View |
| Meshtastic 8b90 (8b90) |
+0.556s
After |
Unknown | Unknown | 0 |
90
8b90
|
ShortFast | 2026-03-28 11:47:42 UTC | View |
| Meshtastic 8b90 (8b90) |
+0.578s
After |
Unknown | Unknown | 0 |
90
8b90
|
ShortFast | 2026-03-28 11:47:42 UTC | View |
| Meshtastic 8b90 (8b90) |
+0.599s
After |
Unknown | Unknown | 0 |
90
8b90
|
ShortFast | 2026-03-28 11:47:42 UTC | View |
| Meshtastic 8b90 (8b90) |
+0.621s
After |
Unknown | Unknown | 0 |
90
8b90
|
ShortFast | 2026-03-28 11:47:42 UTC | View |
| Meshtastic 8b90 (8b90) |
+0.644s
After |
Unknown | Unknown | 0 |
90
8b90
|
ShortFast | 2026-03-28 11:47:42 UTC | View |
| Meshtastic 8b90 (8b90) |
+0.669s
After |
Unknown | Unknown | 0 |
90
8b90
|
ShortFast | 2026-03-28 11:47:42 UTC | View |
| Meshtastic 8b90 (8b90) |
+0.693s
After |
Unknown | Unknown | 0 |
90
8b90
|
ShortTurbo | 2026-03-28 11:47:42 UTC | View |
| Meshtastic 8b90 (8b90) |
+0.717s
After |
Unknown | Unknown | 0 |
90
8b90
|
ShortTurbo | 2026-03-28 11:47:42 UTC | View |
| Meshtastic 8b90 (8b90) |
+0.740s
After |
Unknown | Unknown | 0 |
90
8b90
|
ShortTurbo | 2026-03-28 11:47:42 UTC | View |
| Meshtastic 8b90 (8b90) |
+0.762s
After |
Unknown | Unknown | 0 |
90
8b90
|
ShortTurbo | 2026-03-28 11:47:42 UTC | View |
| Meshtastic 8b90 (8b90) |
+0.783s
After |
Unknown | Unknown | 0 |
90
8b90
|
ShortTurbo | 2026-03-28 11:47:42 UTC | View |
| Meshtastic 8b90 (8b90) |
+0.805s
After |
Unknown | Unknown | 0 |
90
8b90
|
ShortTurbo | 2026-03-28 11:47:42 UTC | View |
| Meshtastic 8b90 (8b90) |
+0.828s
After |
Unknown | Unknown | 0 |
90
8b90
|
ShortTurbo | 2026-03-28 11:47:42 UTC | View |
| Meshtastic 8b90 (8b90) |
+0.852s
After |
Unknown | Unknown | 0 |
90
8b90
|
ShortTurbo | 2026-03-28 11:47:42 UTC | View |
| Meshtastic 8b90 (8b90) |
+0.876s
After |
Unknown | Unknown | 0 |
90
8b90
|
ShortTurbo | 2026-03-28 11:47:42 UTC | View |
| Meshtastic 8b90 (8b90) |
+0.899s
After |
Unknown | Unknown | 0 |
90
8b90
|
ShortTurbo | 2026-03-28 11:47:42 UTC | View |
| Meshtastic 8b90 (8b90) |
+0.922s
After |
Unknown | Unknown | 0 |
90
8b90
|
ShortTurbo | 2026-03-28 11:47:42 UTC | View |
| Meshtastic 8b90 (8b90) |
+0.944s
After |
Unknown | Unknown | 0 |
90
8b90
|
LongFast | 2026-03-28 11:47:42 UTC | View |
45
Total Receptions
1
Unique Gateways