Packet #39450873 Success
TELEMETRY_APP packet from jsfcf6 (fcf6) to !ffffffff
46
Total Receptions
2
Unique Gateways
3
Hop Count
29
Payload Bytes
Packet Information
| Database ID: | 39450873 |
|---|---|
| Mesh Packet ID: |
0x7da76a81
Used for correlation across gateways |
| Timestamp: | 2026-05-16 05:33:38 UTC |
| From Node: | jsfcf6 (fcf6) |
| To Node: | !ffffffff (ffff) |
| Success: | Processed |
| Protocol: |
TELEMETRY_APP
Port: 67 |
| Gateway: | Mechanicus Alpha (M1) |
|---|---|
| Channel: | LongFast |
| RSSI: | -119 dBm |
| SNR: | -9.25 dBm |
| Hop Info: |
3/5 hops
Start: 5, Limit: 2 |
| Relay Node: |
ce
Last byte of the last hop that relayed this packet |
Payload Data
Protocol: TELEMETRY_APP
Size: 29 bytes
Decoded:
Yes
Decoded Data:
Device Metrics:
| Battery: | 101% |
|---|---|
| Voltage: | 4.22 V |
| Channel Usage: | 6.1% |
| Air Util TX: | 2.0% |
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: | 29 bytes |
|---|---|
| Gateway: | !433e868c |
| Channel: | LongFast |
| Payload Type: | TELEMETRY_APP |
| Hop Count: | 3 / 5 |
Privacy Summary
Exposure Level:
Broadcast
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 3 more...
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 3 more...
MQTT ServiceEnvelope Fields
MQTT ServiceEnvelope contains the MeshPacket plus routing metadata
| Field | Value |
|---|---|
gateway_id |
!433e868c
Node ID format |
channel_id |
LongFast
Default public channel |
packet |
MeshPacket (29 bytes)
Contains the actual mesh network packet |
MeshPacket Fields
Core mesh packet with routing and payload information
| Field | Value | Type |
|---|---|---|
from |
591068406
Source node ID |
uint32 |
to |
4294967295 (Broadcast)
Visible to all nodes |
uint32 |
decoded.portnum |
67
TELEMETRY_APP |
enum |
decoded.payload_length |
29 bytes
|
size |
hop_limit |
2
Remaining hops allowed |
uint32 |
hop_start |
5
Initial hop limit |
uint32 |
hops_taken |
3
Calculated: hop_start - hop_limit |
derived |
rx_rssi |
-119.0 dBm
Signal strength at gateway |
int32 |
rx_snr |
-9.25 dB
Signal quality at gateway |
float |
rx_time |
1778909617
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 |
206
Relay node ID |
uint32 |
tx_after |
Not set | uint32 |
timestamp |
1778909618.8377397
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
Exposure Risks:
- ⚠ Visible to all nodes on channel
- ⚠ Default channel - no encryption
- ⚠ Packet visible to MQTT subscribers
- ⚠ Multi-hop path visible (3 hops)
- ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
| Gateway ID: | !433e868c |
| Signal Metrics: |
RSSI: -119.0 dBm SNR: -9.25 dB |
Complete Payload Analysis
Detailed breakdown of all payload fields and decoded data
Payload Metadata:
| Protocol: | TELEMETRY_APP |
|---|---|
| Size: | 29 bytes |
| Decoded: | Yes |
Complete Payload Data (JSON):
{
"time": 1779010509,
"device_metrics": {
"battery_level": 101,
"voltage": 4.217,
"channel_utilization": 6.136667,
"air_util_tx": 2.0031111,
"uptime_seconds": 10417689
}
}
Complete Protobuf Decode (JSON)
{
"service_envelope": {
"gateway_id": "!433e868c",
"channel_id": "LongFast",
"packet": "MeshPacket (see mesh_packet below)"
},
"mesh_packet": {
"from": 591068406,
"to": 4294967295,
"id": 2108123777,
"rx_time": 1778909617,
"rx_snr": -9.25,
"rx_rssi": -119,
"hop_limit": 2,
"hop_start": 5,
"via_mqtt": false,
"want_ack": false,
"priority": 0,
"delayed": 0,
"channel_index": null,
"pki_encrypted": false,
"next_hop": 0,
"relay_node": 206,
"tx_after": 0,
"decoded": {
"portnum": 67,
"payload": "0dcd8b096a1216086515aaf186401d935fc44025f93200402899ecfb04",
"want_response": null,
"dest": null,
"source": null,
"request_id": null,
"reply_id": null,
"emoji": null,
"parsed_payload": {
"time": 1779010509,
"device_metrics": {
"battery_level": 101,
"voltage": 4.217,
"channel_utilization": 6.136667,
"air_util_tx": 2.0031111,
"uptime_seconds": 10417689
},
"type": "protobuf",
"portnum": "TELEMETRY_APP",
"message_class": "Telemetry"
}
}
}
}
Raw Packet Data (29 bytes)
0dcd8b096a1216086515aaf186401d935fc44025f93200402899ecfb04
Hex Analysis:
| Size: | 29 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 Alpha (M1) Primary |
0.000s
Reference |
-119.0 dBm | -9.25 dB | 3 |
ce
|
LongFast | 2026-05-16 05:33:38 UTC | Current |
| Mechanicus Alpha (M1) |
-0.091s
Before |
-119.0 dBm | -9.25 dB | 3 |
ce
|
LongFast | 2026-05-16 05:33:38 UTC | View |
| Mechanicus Alpha (M1) |
-0.070s
Before |
-119.0 dBm | -9.25 dB | 3 |
ce
|
LongFast | 2026-05-16 05:33:38 UTC | View |
| Mechanicus Alpha (M1) |
-0.047s
Before |
-119.0 dBm | -9.25 dB | 3 |
ce
|
LongFast | 2026-05-16 05:33:38 UTC | View |
| Mechanicus Alpha (M1) |
-0.023s
Before |
-119.0 dBm | -9.25 dB | 3 |
ce
|
LongFast | 2026-05-16 05:33:38 UTC | View |
| Mechanicus Alpha (M1) |
+0.022s
After |
-119.0 dBm | -9.25 dB | 3 |
ce
|
LongFast | 2026-05-16 05:33:38 UTC | View |
| Mechanicus Alpha (M1) |
+0.042s
After |
-119.0 dBm | -9.25 dB | 3 |
ce
|
LongFast | 2026-05-16 05:33:38 UTC | View |
| Mechanicus Alpha (M1) |
+0.063s
After |
-119.0 dBm | -9.25 dB | 3 |
ce
|
LongFast | 2026-05-16 05:33:38 UTC | View |
| Mechanicus Alpha (M1) |
+0.088s
After |
-119.0 dBm | -9.25 dB | 3 |
ce
|
LongFast | 2026-05-16 05:33:38 UTC | View |
| Mechanicus Alpha (M1) |
+0.110s
After |
-119.0 dBm | -9.25 dB | 3 |
ce
|
LongFast | 2026-05-16 05:33:38 UTC | View |
| Mechanicus Alpha (M1) |
+0.134s
After |
-119.0 dBm | -9.25 dB | 3 |
ce
|
LongFast | 2026-05-16 05:33:38 UTC | View |
| Mechanicus Alpha (M1) |
+0.157s
After |
-119.0 dBm | -9.25 dB | 3 |
ce
|
MediumFast | 2026-05-16 05:33:38 UTC | View |
| Mechanicus Alpha (M1) |
+0.180s
After |
-119.0 dBm | -9.25 dB | 3 |
ce
|
MediumFast | 2026-05-16 05:33:39 UTC | View |
| Mechanicus Alpha (M1) |
+0.203s
After |
-119.0 dBm | -9.25 dB | 3 |
ce
|
MediumFast | 2026-05-16 05:33:39 UTC | View |
| Mechanicus Alpha (M1) |
+0.223s
After |
-119.0 dBm | -9.25 dB | 3 |
ce
|
MediumFast | 2026-05-16 05:33:39 UTC | View |
| Mechanicus Alpha (M1) |
+0.244s
After |
-119.0 dBm | -9.25 dB | 3 |
ce
|
MediumFast | 2026-05-16 05:33:39 UTC | View |
| Mechanicus Alpha (M1) |
+0.265s
After |
-119.0 dBm | -9.25 dB | 3 |
ce
|
MediumFast | 2026-05-16 05:33:39 UTC | View |
| Mechanicus Alpha (M1) |
+0.287s
After |
-119.0 dBm | -9.25 dB | 3 |
ce
|
MediumFast | 2026-05-16 05:33:39 UTC | View |
| Mechanicus Alpha (M1) |
+0.310s
After |
-119.0 dBm | -9.25 dB | 3 |
ce
|
MediumFast | 2026-05-16 05:33:39 UTC | View |
| Mechanicus Alpha (M1) |
+0.333s
After |
-119.0 dBm | -9.25 dB | 3 |
ce
|
MediumFast | 2026-05-16 05:33:39 UTC | View |
| Mechanicus Alpha (M1) |
+0.356s
After |
-119.0 dBm | -9.25 dB | 3 |
ce
|
MediumFast | 2026-05-16 05:33:39 UTC | View |
| Mechanicus Alpha (M1) |
+0.378s
After |
-119.0 dBm | -9.25 dB | 3 |
ce
|
MediumFast | 2026-05-16 05:33:39 UTC | View |
| Mechanicus Alpha (M1) |
+0.399s
After |
-119.0 dBm | -9.25 dB | 3 |
ce
|
ShortFast | 2026-05-16 05:33:39 UTC | View |
| Mechanicus Alpha (M1) |
+0.420s
After |
-119.0 dBm | -9.25 dB | 3 |
ce
|
ShortFast | 2026-05-16 05:33:39 UTC | View |
| Mechanicus Alpha (M1) |
+0.441s
After |
-119.0 dBm | -9.25 dB | 3 |
ce
|
ShortFast | 2026-05-16 05:33:39 UTC | View |
| Mechanicus Alpha (M1) |
+0.463s
After |
-119.0 dBm | -9.25 dB | 3 |
ce
|
ShortFast | 2026-05-16 05:33:39 UTC | View |
| Mechanicus Alpha (M1) |
+0.487s
After |
-119.0 dBm | -9.25 dB | 3 |
ce
|
ShortFast | 2026-05-16 05:33:39 UTC | View |
| Mechanicus Alpha (M1) |
+0.510s
After |
-119.0 dBm | -9.25 dB | 3 |
ce
|
ShortFast | 2026-05-16 05:33:39 UTC | View |
| Mechanicus Alpha (M1) |
+0.540s
After |
-119.0 dBm | -9.25 dB | 3 |
ce
|
ShortFast | 2026-05-16 05:33:39 UTC | View |
| Mechanicus Alpha (M1) |
+0.562s
After |
-119.0 dBm | -9.25 dB | 3 |
ce
|
ShortFast | 2026-05-16 05:33:39 UTC | View |
| Mechanicus Alpha (M1) |
+0.583s
After |
-119.0 dBm | -9.25 dB | 3 |
ce
|
ShortFast | 2026-05-16 05:33:39 UTC | View |
| Mechanicus Alpha (M1) |
+0.606s
After |
-119.0 dBm | -9.25 dB | 3 |
ce
|
ShortFast | 2026-05-16 05:33:39 UTC | View |
| Mechanicus Alpha (M1) |
+0.627s
After |
-119.0 dBm | -9.25 dB | 3 |
ce
|
ShortFast | 2026-05-16 05:33:39 UTC | View |
| Mechanicus Alpha (M1) |
+0.649s
After |
-119.0 dBm | -9.25 dB | 3 |
ce
|
ShortTurbo | 2026-05-16 05:33:39 UTC | View |
| Mechanicus Alpha (M1) |
+0.672s
After |
-119.0 dBm | -9.25 dB | 3 |
ce
|
ShortTurbo | 2026-05-16 05:33:39 UTC | View |
| Mechanicus Alpha (M1) |
+0.700s
After |
-119.0 dBm | -9.25 dB | 3 |
ce
|
ShortTurbo | 2026-05-16 05:33:39 UTC | View |
| Mechanicus Alpha (M1) |
+0.721s
After |
-119.0 dBm | -9.25 dB | 3 |
ce
|
ShortTurbo | 2026-05-16 05:33:39 UTC | View |
| Mechanicus Alpha (M1) |
+0.744s
After |
-119.0 dBm | -9.25 dB | 3 |
ce
|
ShortTurbo | 2026-05-16 05:33:39 UTC | View |
| Mechanicus Alpha (M1) |
+0.766s
After |
-119.0 dBm | -9.25 dB | 3 |
ce
|
ShortTurbo | 2026-05-16 05:33:39 UTC | View |
| Mechanicus Alpha (M1) |
+0.787s
After |
-119.0 dBm | -9.25 dB | 3 |
ce
|
ShortTurbo | 2026-05-16 05:33:39 UTC | View |
| Mechanicus Alpha (M1) |
+0.809s
After |
-119.0 dBm | -9.25 dB | 3 |
ce
|
ShortTurbo | 2026-05-16 05:33:39 UTC | View |
| Mechanicus Alpha (M1) |
+0.832s
After |
-119.0 dBm | -9.25 dB | 3 |
ce
|
ShortTurbo | 2026-05-16 05:33:39 UTC | View |
| Mechanicus Alpha (M1) |
+0.855s
After |
-119.0 dBm | -9.25 dB | 3 |
ce
|
ShortTurbo | 2026-05-16 05:33:39 UTC | View |
| Mechanicus Alpha (M1) |
+0.878s
After |
-119.0 dBm | -9.25 dB | 3 |
ce
|
ShortTurbo | 2026-05-16 05:33:39 UTC | View |
| Mechanicus Alpha (M1) |
+0.899s
After |
-119.0 dBm | -9.25 dB | 3 |
ce
|
LongFast | 2026-05-16 05:33:39 UTC | View |
| lidman2 (lid2) |
+0.920s
After |
-128.0 dBm | -19.25 dB | 3 |
ce
|
LongFast | 2026-05-16 05:33:39 UTC | View |
46
Total Receptions
2
Unique Gateways