Packet #39181885 Success
TELEMETRY_APP packet from NJF Base 🛰 (🛰) to !ffffffff
46
Total Receptions
2
Unique Gateways
0
Hop Count
28
Payload Bytes
Packet Information
| Database ID: | 39181885 |
|---|---|
| Mesh Packet ID: |
0x1d3dd3a1
Used for correlation across gateways |
| Timestamp: | 2026-05-15 13:39:06 UTC |
| From Node: | NJF Base 🛰 (🛰) |
| To Node: | !ffffffff (ffff) |
| Success: | Processed |
| Protocol: |
TELEMETRY_APP
Port: 67 |
| Gateway: | Mechanicus Cadia (M3) |
|---|---|
| Channel: | ShortFast |
| RSSI: | -115 dBm |
| SNR: | -3.5 dBm |
| Hop Info: |
0/3 hops
Start: 3, Limit: 3 |
| Relay Node: |
f2
🛰
Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions |
Payload Data
Protocol: TELEMETRY_APP
Size: 28 bytes
Decoded:
Yes
Decoded Data:
Device Metrics:
| Battery: | 93% |
|---|---|
| Voltage: | 4.10 V |
| Channel Usage: | 21.6% |
| Air Util TX: | 6.1% |
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: | 28 bytes |
|---|---|
| Gateway: | !4359649c |
| Channel: | ShortFast |
| Payload Type: | TELEMETRY_APP |
| Hop Count: | Unknown / 3 |
Privacy Summary
Exposure Level:
Broadcast
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 2 more...
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 2 more...
Exposure Risks:
âš Visible to all nodes on channel
âš Packet visible to MQTT subscribers
+ 1 more...
âš Visible to all nodes on channel
âš Packet visible to MQTT subscribers
+ 1 more...
MQTT ServiceEnvelope Fields
MQTT ServiceEnvelope contains the MeshPacket plus routing metadata
| Field | Value |
|---|---|
gateway_id |
!4359649c
Node ID format |
channel_id |
ShortFast
|
packet |
MeshPacket (28 bytes)
Contains the actual mesh network packet |
MeshPacket Fields
Core mesh packet with routing and payload information
| Field | Value | Type |
|---|---|---|
from |
3559411698
Source node ID |
uint32 |
to |
4294967295 (Broadcast)
Visible to all nodes |
uint32 |
decoded.portnum |
67
TELEMETRY_APP |
enum |
decoded.payload_length |
28 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 |
-115.0 dBm
Signal strength at gateway |
int32 |
rx_snr |
-3.50 dB
Signal quality at gateway |
float |
rx_time |
1778852345
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 |
242
Relay node ID |
uint32 |
tx_after |
Not set | uint32 |
timestamp |
1778852346.9944553
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
- ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
- âš Visible to all nodes on channel
- âš Packet visible to MQTT subscribers
- âš RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
| Gateway ID: | !4359649c |
| Zero Hop Policy: |
Enabled
Direct gateway connection |
| Signal Metrics: |
RSSI: -115.0 dBm SNR: -3.50 dB |
Complete Payload Analysis
Detailed breakdown of all payload fields and decoded data
Payload Metadata:
| Protocol: | TELEMETRY_APP |
|---|---|
| Size: | 28 bytes |
| Decoded: | Yes |
Complete Payload Data (JSON):
{
"time": 1778852341,
"device_metrics": {
"battery_level": 93,
"voltage": 4.102,
"channel_utilization": 21.65,
"air_util_tx": 6.1370277,
"uptime_seconds": 27849
}
}
Complete Protobuf Decode (JSON)
{
"service_envelope": {
"gateway_id": "!4359649c",
"channel_id": "ShortFast",
"packet": "MeshPacket (see mesh_packet below)"
},
"mesh_packet": {
"from": 3559411698,
"to": 4294967295,
"id": 490591137,
"rx_time": 1778852345,
"rx_snr": -3.5,
"rx_rssi": -115,
"hop_limit": 3,
"hop_start": 3,
"via_mqtt": false,
"want_ack": false,
"priority": 0,
"delayed": 0,
"channel_index": null,
"pki_encrypted": false,
"next_hop": 0,
"relay_node": 242,
"tx_after": 0,
"decoded": {
"portnum": 67,
"payload": "0df521076a1215085d15964383401d3333ad41258862c44028c9d901",
"want_response": null,
"dest": null,
"source": null,
"request_id": null,
"reply_id": null,
"emoji": null,
"parsed_payload": {
"time": 1778852341,
"device_metrics": {
"battery_level": 93,
"voltage": 4.102,
"channel_utilization": 21.65,
"air_util_tx": 6.1370277,
"uptime_seconds": 27849
},
"type": "protobuf",
"portnum": "TELEMETRY_APP",
"message_class": "Telemetry"
}
}
}
}
Raw Packet Data (28 bytes)
0df521076a1215085d15964383401d3333ad41258862c44028c9d901
Hex Analysis:
| Size: | 28 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 Cadia (M3) Primary |
0.000s
Reference |
-115.0 dBm | -3.50 dB | 0 |
f2
🛰
|
ShortFast | 2026-05-15 13:39:06 UTC | Current |
| Mechanicus Cadia (M3) |
-0.615s
Before |
-115.0 dBm | -3.50 dB | 0 |
f2
🛰
|
LongFast | 2026-05-15 13:39:06 UTC | View |
| Mechanicus Cadia (M3) |
-0.582s
Before |
-115.0 dBm | -3.50 dB | 0 |
f2
🛰
|
LongFast | 2026-05-15 13:39:06 UTC | View |
| Mechanicus Cadia (M3) |
-0.551s
Before |
-115.0 dBm | -3.50 dB | 0 |
f2
🛰
|
LongFast | 2026-05-15 13:39:06 UTC | View |
| Mechanicus Cadia (M3) |
-0.518s
Before |
-115.0 dBm | -3.50 dB | 0 |
f2
🛰
|
LongFast | 2026-05-15 13:39:06 UTC | View |
| Mechanicus Cadia (M3) |
-0.495s
Before |
-115.0 dBm | -3.50 dB | 0 |
f2
🛰
|
LongFast | 2026-05-15 13:39:06 UTC | View |
| Mechanicus Cadia (M3) |
-0.471s
Before |
-115.0 dBm | -3.50 dB | 0 |
f2
🛰
|
LongFast | 2026-05-15 13:39:06 UTC | View |
| Mechanicus Cadia (M3) |
-0.448s
Before |
-115.0 dBm | -3.50 dB | 0 |
f2
🛰
|
LongFast | 2026-05-15 13:39:06 UTC | View |
| Mechanicus Cadia (M3) |
-0.425s
Before |
-115.0 dBm | -3.50 dB | 0 |
f2
🛰
|
LongFast | 2026-05-15 13:39:06 UTC | View |
| Mechanicus Cadia (M3) |
-0.404s
Before |
-115.0 dBm | -3.50 dB | 0 |
f2
🛰
|
LongFast | 2026-05-15 13:39:06 UTC | View |
| Mechanicus Cadia (M3) |
-0.382s
Before |
-115.0 dBm | -3.50 dB | 0 |
f2
🛰
|
LongFast | 2026-05-15 13:39:06 UTC | View |
| Mechanicus Alpha (M1) |
-0.361s
Before |
-119.0 dBm | -14.75 dB | 0 |
f2
🛰
|
LongFast | 2026-05-15 13:39:06 UTC | View |
| Mechanicus Cadia (M3) |
-0.340s
Before |
-115.0 dBm | -3.50 dB | 0 |
f2
🛰
|
LongFast | 2026-05-15 13:39:06 UTC | View |
| Mechanicus Cadia (M3) |
-0.309s
Before |
-115.0 dBm | -3.50 dB | 0 |
f2
🛰
|
MediumFast | 2026-05-15 13:39:06 UTC | View |
| Mechanicus Cadia (M3) |
-0.285s
Before |
-115.0 dBm | -3.50 dB | 0 |
f2
🛰
|
MediumFast | 2026-05-15 13:39:06 UTC | View |
| Mechanicus Cadia (M3) |
-0.262s
Before |
-115.0 dBm | -3.50 dB | 0 |
f2
🛰
|
MediumFast | 2026-05-15 13:39:06 UTC | View |
| Mechanicus Cadia (M3) |
-0.239s
Before |
-115.0 dBm | -3.50 dB | 0 |
f2
🛰
|
MediumFast | 2026-05-15 13:39:06 UTC | View |
| Mechanicus Cadia (M3) |
-0.219s
Before |
-115.0 dBm | -3.50 dB | 0 |
f2
🛰
|
MediumFast | 2026-05-15 13:39:06 UTC | View |
| Mechanicus Cadia (M3) |
-0.198s
Before |
-115.0 dBm | -3.50 dB | 0 |
f2
🛰
|
MediumFast | 2026-05-15 13:39:06 UTC | View |
| Mechanicus Cadia (M3) |
-0.177s
Before |
-115.0 dBm | -3.50 dB | 0 |
f2
🛰
|
MediumFast | 2026-05-15 13:39:06 UTC | View |
| Mechanicus Cadia (M3) |
-0.156s
Before |
-115.0 dBm | -3.50 dB | 0 |
f2
🛰
|
MediumFast | 2026-05-15 13:39:06 UTC | View |
| Mechanicus Cadia (M3) |
-0.132s
Before |
-115.0 dBm | -3.50 dB | 0 |
f2
🛰
|
MediumFast | 2026-05-15 13:39:06 UTC | View |
| Mechanicus Cadia (M3) |
-0.109s
Before |
-115.0 dBm | -3.50 dB | 0 |
f2
🛰
|
MediumFast | 2026-05-15 13:39:06 UTC | View |
| Mechanicus Cadia (M3) |
-0.086s
Before |
-115.0 dBm | -3.50 dB | 0 |
f2
🛰
|
MediumFast | 2026-05-15 13:39:06 UTC | View |
| Mechanicus Cadia (M3) |
-0.063s
Before |
-115.0 dBm | -3.50 dB | 0 |
f2
🛰
|
ShortFast | 2026-05-15 13:39:06 UTC | View |
| Mechanicus Cadia (M3) |
-0.042s
Before |
-115.0 dBm | -3.50 dB | 0 |
f2
🛰
|
ShortFast | 2026-05-15 13:39:06 UTC | View |
| Mechanicus Cadia (M3) |
-0.021s
Before |
-115.0 dBm | -3.50 dB | 0 |
f2
🛰
|
ShortFast | 2026-05-15 13:39:06 UTC | View |
| Mechanicus Cadia (M3) |
+0.021s
After |
-115.0 dBm | -3.50 dB | 0 |
f2
🛰
|
ShortFast | 2026-05-15 13:39:07 UTC | View |
| Mechanicus Cadia (M3) |
+0.044s
After |
-115.0 dBm | -3.50 dB | 0 |
f2
🛰
|
ShortFast | 2026-05-15 13:39:07 UTC | View |
| Mechanicus Cadia (M3) |
+0.068s
After |
-115.0 dBm | -3.50 dB | 0 |
f2
🛰
|
ShortFast | 2026-05-15 13:39:07 UTC | View |
| Mechanicus Cadia (M3) |
+0.091s
After |
-115.0 dBm | -3.50 dB | 0 |
f2
🛰
|
ShortFast | 2026-05-15 13:39:07 UTC | View |
| Mechanicus Cadia (M3) |
+0.114s
After |
-115.0 dBm | -3.50 dB | 0 |
f2
🛰
|
ShortFast | 2026-05-15 13:39:07 UTC | View |
| Mechanicus Cadia (M3) |
+0.135s
After |
-115.0 dBm | -3.50 dB | 0 |
f2
🛰
|
ShortFast | 2026-05-15 13:39:07 UTC | View |
| Mechanicus Cadia (M3) |
+0.156s
After |
-115.0 dBm | -3.50 dB | 0 |
f2
🛰
|
ShortFast | 2026-05-15 13:39:07 UTC | View |
| Mechanicus Cadia (M3) |
+0.177s
After |
-115.0 dBm | -3.50 dB | 0 |
f2
🛰
|
ShortTurbo | 2026-05-15 13:39:07 UTC | View |
| Mechanicus Cadia (M3) |
+0.198s
After |
-115.0 dBm | -3.50 dB | 0 |
f2
🛰
|
ShortTurbo | 2026-05-15 13:39:07 UTC | View |
| Mechanicus Cadia (M3) |
+0.222s
After |
-115.0 dBm | -3.50 dB | 0 |
f2
🛰
|
ShortTurbo | 2026-05-15 13:39:07 UTC | View |
| Mechanicus Cadia (M3) |
+0.246s
After |
-115.0 dBm | -3.50 dB | 0 |
f2
🛰
|
ShortTurbo | 2026-05-15 13:39:07 UTC | View |
| Mechanicus Cadia (M3) |
+0.269s
After |
-115.0 dBm | -3.50 dB | 0 |
f2
🛰
|
ShortTurbo | 2026-05-15 13:39:07 UTC | View |
| Mechanicus Cadia (M3) |
+0.292s
After |
-115.0 dBm | -3.50 dB | 0 |
f2
🛰
|
ShortTurbo | 2026-05-15 13:39:07 UTC | View |
| Mechanicus Cadia (M3) |
+0.314s
After |
-115.0 dBm | -3.50 dB | 0 |
f2
🛰
|
ShortTurbo | 2026-05-15 13:39:07 UTC | View |
| Mechanicus Cadia (M3) |
+0.335s
After |
-115.0 dBm | -3.50 dB | 0 |
f2
🛰
|
ShortTurbo | 2026-05-15 13:39:07 UTC | View |
| Mechanicus Cadia (M3) |
+0.356s
After |
-115.0 dBm | -3.50 dB | 0 |
f2
🛰
|
ShortTurbo | 2026-05-15 13:39:07 UTC | View |
| Mechanicus Cadia (M3) |
+0.377s
After |
-115.0 dBm | -3.50 dB | 0 |
f2
🛰
|
ShortTurbo | 2026-05-15 13:39:07 UTC | View |
| Mechanicus Cadia (M3) |
+0.401s
After |
-115.0 dBm | -3.50 dB | 0 |
f2
🛰
|
ShortTurbo | 2026-05-15 13:39:07 UTC | View |
| Mechanicus Cadia (M3) |
+0.424s
After |
-115.0 dBm | -3.50 dB | 0 |
f2
🛰
|
LongFast | 2026-05-15 13:39:07 UTC | View |
46
Total Receptions
2
Unique Gateways