Packet #17853331 Success
NODEINFO_APP packet from KOT2H (K2H) to !ffffffff
45
Total Receptions
1
Unique Gateways
4
Hop Count
69
Payload Bytes
Packet Information
| Database ID: | 17853331 |
|---|---|
| Mesh Packet ID: |
0x794605c1
Used for correlation across gateways |
| Timestamp: | 2026-03-27 12:07:32 UTC |
| From Node: | KOT2H (K2H) |
| To Node: | !ffffffff (ffff) |
| Success: | Processed |
| Protocol: |
NODEINFO_APP
Port: 4 |
| Gateway: | Crestwood (Crst) |
|---|---|
| Channel: | ShortFast |
| RSSI: | -125 dBm |
| SNR: | -14.5 dBm |
| Hop Info: |
4/4 hops
Start: 4, Limit: 0 |
| Relay Node: | None |
Payload Data
Protocol: NODEINFO_APP
Size: 69 bytes
Decoded:
Yes
Decoded Data:
| Long Name: | KOT2H |
|---|---|
| Short Name: | K2H |
| Node ID: | !433a9ed4 |
| MAC Address: | SMpDOp7U |
| 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: | !433c6b10 |
| Channel: | ShortFast |
| Payload Type: | NODEINFO_APP |
| Hop Count: | 4 / 4 |
Privacy Summary
Exposure Level:
Broadcast
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 1 more...
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 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 |
!433c6b10
Node ID format |
channel_id |
ShortFast
|
packet |
MeshPacket (69 bytes)
Contains the actual mesh network packet |
MeshPacket Fields
Core mesh packet with routing and payload information
| Field | Value | Type |
|---|---|---|
from |
1127915220
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 |
Not set | uint32 |
hop_start |
4
Initial hop limit |
uint32 |
hops_taken |
4
Calculated: hop_start - hop_limit |
derived |
rx_rssi |
-125.0 dBm
Signal strength at gateway |
int32 |
rx_snr |
-14.50 dB
Signal quality at gateway |
float |
rx_time |
1774613250
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 |
Not set | uint32 |
tx_after |
Not set | uint32 |
timestamp |
1774613252.3706095
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: ShortFast
- ✓ Gateway node ID tracked
Exposure Risks:
- ⚠ Visible to all nodes on channel
- ⚠ Packet visible to MQTT subscribers
- ⚠ Multi-hop path visible (4 hops)
- ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
| Gateway ID: | !433c6b10 |
| Signal Metrics: |
RSSI: -125.0 dBm SNR: -14.50 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": "!433a9ed4",
"long_name": "KOT2H",
"short_name": "K2H",
"macaddr": "SMpDOp7U",
"hw_model": "HELTEC_V3"
}
Complete Protobuf Decode (JSON)
{
"service_envelope": {
"gateway_id": "!433c6b10",
"channel_id": "ShortFast",
"packet": "MeshPacket (see mesh_packet below)"
},
"mesh_packet": {
"from": 1127915220,
"to": 4294967295,
"id": 2034632129,
"rx_time": 1774613250,
"rx_snr": -14.5,
"rx_rssi": -125,
"hop_limit": 0,
"hop_start": 4,
"via_mqtt": false,
"want_ack": false,
"priority": 0,
"delayed": 0,
"channel_index": null,
"pki_encrypted": false,
"next_hop": 0,
"relay_node": 0,
"tx_after": 0,
"decoded": {
"portnum": 4,
"payload": "0a0921343333613965643412054b4f5432481a034b3248220648ca433a9ed4282b4220a34418129f76f0ba098abe2436f4c7557509d40a875698c5a40687ec31f020794800",
"want_response": null,
"dest": null,
"source": null,
"request_id": null,
"reply_id": null,
"emoji": null,
"parsed_payload": {
"id": "!433a9ed4",
"long_name": "KOT2H",
"short_name": "K2H",
"macaddr": "SMpDOp7U",
"hw_model": "HELTEC_V3",
"public_key": "o0QYEp928LoJir4kNvTHVXUJ1AqHVpjFpAaH7DHwIHk=",
"is_unmessagable": false,
"type": "protobuf",
"portnum": "NODEINFO_APP",
"message_class": "User"
}
}
}
}
Raw Packet Data (69 bytes)
0a0921343333613965643412054b4f5432481a034b3248220648ca433a9ed4282b4220a34418129f76f0ba098abe2436f4c7557509d40a875698c5a40687ec31f020794800
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 |
|---|---|---|---|---|---|---|---|---|
| Crestwood (Crst) Primary |
0.000s
Reference |
-125.0 dBm | -14.50 dB | 4 | - | ShortFast | 2026-03-27 12:07:32 UTC | Current |
| Crestwood (Crst) |
-0.550s
Before |
-125.0 dBm | -14.50 dB | 4 | - | LongFast | 2026-03-27 12:07:31 UTC | View |
| Crestwood (Crst) |
-0.523s
Before |
-125.0 dBm | -14.50 dB | 4 | - | LongFast | 2026-03-27 12:07:31 UTC | View |
| Crestwood (Crst) |
-0.490s
Before |
-125.0 dBm | -14.50 dB | 4 | - | LongFast | 2026-03-27 12:07:31 UTC | View |
| Crestwood (Crst) |
-0.461s
Before |
-125.0 dBm | -14.50 dB | 4 | - | LongFast | 2026-03-27 12:07:31 UTC | View |
| Crestwood (Crst) |
-0.437s
Before |
-125.0 dBm | -14.50 dB | 4 | - | LongFast | 2026-03-27 12:07:31 UTC | View |
| Crestwood (Crst) |
-0.412s
Before |
-125.0 dBm | -14.50 dB | 4 | - | LongFast | 2026-03-27 12:07:31 UTC | View |
| Crestwood (Crst) |
-0.389s
Before |
-125.0 dBm | -14.50 dB | 4 | - | LongFast | 2026-03-27 12:07:31 UTC | View |
| Crestwood (Crst) |
-0.367s
Before |
-125.0 dBm | -14.50 dB | 4 | - | LongFast | 2026-03-27 12:07:32 UTC | View |
| Crestwood (Crst) |
-0.345s
Before |
-125.0 dBm | -14.50 dB | 4 | - | LongFast | 2026-03-27 12:07:32 UTC | View |
| Crestwood (Crst) |
-0.323s
Before |
-125.0 dBm | -14.50 dB | 4 | - | LongFast | 2026-03-27 12:07:32 UTC | View |
| Crestwood (Crst) |
-0.301s
Before |
-125.0 dBm | -14.50 dB | 4 | - | LongFast | 2026-03-27 12:07:32 UTC | View |
| Crestwood (Crst) |
-0.266s
Before |
-125.0 dBm | -14.50 dB | 4 | - | MediumFast | 2026-03-27 12:07:32 UTC | View |
| Crestwood (Crst) |
-0.238s
Before |
-125.0 dBm | -14.50 dB | 4 | - | MediumFast | 2026-03-27 12:07:32 UTC | View |
| Crestwood (Crst) |
-0.208s
Before |
-125.0 dBm | -14.50 dB | 4 | - | MediumFast | 2026-03-27 12:07:32 UTC | View |
| Crestwood (Crst) |
-0.185s
Before |
-125.0 dBm | -14.50 dB | 4 | - | MediumFast | 2026-03-27 12:07:32 UTC | View |
| Crestwood (Crst) |
-0.163s
Before |
-125.0 dBm | -14.50 dB | 4 | - | MediumFast | 2026-03-27 12:07:32 UTC | View |
| Crestwood (Crst) |
-0.141s
Before |
-125.0 dBm | -14.50 dB | 4 | - | MediumFast | 2026-03-27 12:07:32 UTC | View |
| Crestwood (Crst) |
-0.120s
Before |
-125.0 dBm | -14.50 dB | 4 | - | MediumFast | 2026-03-27 12:07:32 UTC | View |
| Crestwood (Crst) |
-0.097s
Before |
-125.0 dBm | -14.50 dB | 4 | - | MediumFast | 2026-03-27 12:07:32 UTC | View |
| Crestwood (Crst) |
-0.071s
Before |
-125.0 dBm | -14.50 dB | 4 | - | MediumFast | 2026-03-27 12:07:32 UTC | View |
| Crestwood (Crst) |
-0.047s
Before |
-125.0 dBm | -14.50 dB | 4 | - | MediumFast | 2026-03-27 12:07:32 UTC | View |
| Crestwood (Crst) |
-0.023s
Before |
-125.0 dBm | -14.50 dB | 4 | - | MediumFast | 2026-03-27 12:07:32 UTC | View |
| Crestwood (Crst) |
+0.023s
After |
-125.0 dBm | -14.50 dB | 4 | - | ShortFast | 2026-03-27 12:07:32 UTC | View |
| Crestwood (Crst) |
+0.044s
After |
-125.0 dBm | -14.50 dB | 4 | - | ShortFast | 2026-03-27 12:07:32 UTC | View |
| Crestwood (Crst) |
+0.065s
After |
-125.0 dBm | -14.50 dB | 4 | - | ShortFast | 2026-03-27 12:07:32 UTC | View |
| Crestwood (Crst) |
+0.086s
After |
-125.0 dBm | -14.50 dB | 4 | - | ShortFast | 2026-03-27 12:07:32 UTC | View |
| Crestwood (Crst) |
+0.110s
After |
-125.0 dBm | -14.50 dB | 4 | - | ShortFast | 2026-03-27 12:07:32 UTC | View |
| Crestwood (Crst) |
+0.134s
After |
-125.0 dBm | -14.50 dB | 4 | - | ShortFast | 2026-03-27 12:07:32 UTC | View |
| Crestwood (Crst) |
+0.158s
After |
-125.0 dBm | -14.50 dB | 4 | - | ShortFast | 2026-03-27 12:07:32 UTC | View |
| Crestwood (Crst) |
+0.181s
After |
-125.0 dBm | -14.50 dB | 4 | - | ShortFast | 2026-03-27 12:07:32 UTC | View |
| Crestwood (Crst) |
+0.203s
After |
-125.0 dBm | -14.50 dB | 4 | - | ShortFast | 2026-03-27 12:07:32 UTC | View |
| Crestwood (Crst) |
+0.225s
After |
-125.0 dBm | -14.50 dB | 4 | - | ShortFast | 2026-03-27 12:07:32 UTC | View |
| Crestwood (Crst) |
+0.246s
After |
-125.0 dBm | -14.50 dB | 4 | - | ShortTurbo | 2026-03-27 12:07:32 UTC | View |
| Crestwood (Crst) |
+0.276s
After |
-125.0 dBm | -14.50 dB | 4 | - | ShortTurbo | 2026-03-27 12:07:32 UTC | View |
| Crestwood (Crst) |
+0.300s
After |
-125.0 dBm | -14.50 dB | 4 | - | ShortTurbo | 2026-03-27 12:07:32 UTC | View |
| Crestwood (Crst) |
+0.324s
After |
-125.0 dBm | -14.50 dB | 4 | - | ShortTurbo | 2026-03-27 12:07:32 UTC | View |
| Crestwood (Crst) |
+0.347s
After |
-125.0 dBm | -14.50 dB | 4 | - | ShortTurbo | 2026-03-27 12:07:32 UTC | View |
| Crestwood (Crst) |
+0.371s
After |
-125.0 dBm | -14.50 dB | 4 | - | ShortTurbo | 2026-03-27 12:07:32 UTC | View |
| Crestwood (Crst) |
+0.392s
After |
-125.0 dBm | -14.50 dB | 4 | - | ShortTurbo | 2026-03-27 12:07:32 UTC | View |
| Crestwood (Crst) |
+0.416s
After |
-125.0 dBm | -14.50 dB | 4 | - | ShortTurbo | 2026-03-27 12:07:32 UTC | View |
| Crestwood (Crst) |
+0.446s
After |
-125.0 dBm | -14.50 dB | 4 | - | ShortTurbo | 2026-03-27 12:07:32 UTC | View |
| Crestwood (Crst) |
+0.470s
After |
-125.0 dBm | -14.50 dB | 4 | - | ShortTurbo | 2026-03-27 12:07:32 UTC | View |
| Crestwood (Crst) |
+0.497s
After |
-125.0 dBm | -14.50 dB | 4 | - | ShortTurbo | 2026-03-27 12:07:32 UTC | View |
| Crestwood (Crst) |
+0.520s
After |
-125.0 dBm | -14.50 dB | 4 | - | LongFast | 2026-03-27 12:07:32 UTC | View |
45
Total Receptions
1
Unique Gateways