Packet #18002513 Success
TELEMETRY_APP packet from Meshddan home (Ddan) to !ffffffff
45
Total Receptions
1
Unique Gateways
3
Hop Count
28
Payload Bytes
Packet Information
| Database ID: | 18002513 |
|---|---|
| Mesh Packet ID: |
0x733c2341
Used for correlation across gateways |
| Timestamp: | 2026-03-27 20:42:30 UTC |
| From Node: | Meshddan home (Ddan) |
| To Node: | !ffffffff (ffff) |
| Success: | Processed |
| Protocol: |
TELEMETRY_APP
Port: 67 |
| Gateway: | Meshtastic b018 (b018) |
|---|---|
| Channel: | MediumFast |
| RSSI: | -33 dBm |
| SNR: | 7.0 dBm |
| Hop Info: |
3/7 hops
Start: 7, Limit: 4 |
| Relay Node: |
d3
1cd3
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: | 100% |
|---|---|
| Voltage: | 4.19 V |
| Channel Usage: | 1.9% |
| Air Util TX: | 0.6% |
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: | !db51b018 |
| Channel: | MediumFast |
| Payload Type: | TELEMETRY_APP |
| Hop Count: | 3 / 7 |
Privacy Summary
Exposure Level:
Broadcast
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 1 more...
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 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 |
!db51b018
Node ID format |
channel_id |
MediumFast
|
packet |
MeshPacket (28 bytes)
Contains the actual mesh network packet |
MeshPacket Fields
Core mesh packet with routing and payload information
| Field | Value | Type |
|---|---|---|
from |
1128086136
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 |
4
Remaining hops allowed |
uint32 |
hop_start |
7
Initial hop limit |
uint32 |
hops_taken |
3
Calculated: hop_start - hop_limit |
derived |
rx_rssi |
-33.0 dBm
Signal strength at gateway |
int32 |
rx_snr |
7.00 dB
Signal quality at gateway |
float |
rx_time |
1774644146
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 |
211
Relay node ID |
uint32 |
tx_after |
Not set | uint32 |
timestamp |
1774644150.6527946
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: MediumFast
- ✓ Gateway node ID tracked
Exposure Risks:
- ⚠ Visible to all nodes on channel
- ⚠ Packet visible to MQTT subscribers
- ⚠ Multi-hop path visible (3 hops)
- ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
| Gateway ID: | !db51b018 |
| Signal Metrics: |
RSSI: -33.0 dBm SNR: 7.00 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": 1774644140,
"device_metrics": {
"battery_level": 100,
"voltage": 4.194,
"channel_utilization": 1.9433333,
"air_util_tx": 0.6031111,
"uptime_seconds": 98344
}
}
Complete Protobuf Decode (JSON)
{
"service_envelope": {
"gateway_id": "!db51b018",
"channel_id": "MediumFast",
"packet": "MeshPacket (see mesh_packet below)"
},
"mesh_packet": {
"from": 1128086136,
"to": 4294967295,
"id": 1933321025,
"rx_time": 1774644146,
"rx_snr": 7.0,
"rx_rssi": -33,
"hop_limit": 4,
"hop_start": 7,
"via_mqtt": false,
"want_ack": false,
"priority": 0,
"delayed": 0,
"channel_index": null,
"pki_encrypted": false,
"next_hop": 0,
"relay_node": 211,
"tx_after": 0,
"decoded": {
"portnum": 67,
"payload": "0dacebc66912150864153f3586401d25bff83f257d651a3f28a88006",
"want_response": null,
"dest": null,
"source": null,
"request_id": null,
"reply_id": null,
"emoji": null,
"parsed_payload": {
"time": 1774644140,
"device_metrics": {
"battery_level": 100,
"voltage": 4.194,
"channel_utilization": 1.9433333,
"air_util_tx": 0.6031111,
"uptime_seconds": 98344
},
"type": "protobuf",
"portnum": "TELEMETRY_APP",
"message_class": "Telemetry"
}
}
}
}
Raw Packet Data (28 bytes)
0dacebc66912150864153f3586401d25bff83f257d651a3f28a88006
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 |
|---|---|---|---|---|---|---|---|---|
| Meshtastic b018 (b018) Primary |
0.000s
Reference |
-33.0 dBm | 7.00 dB | 3 |
d3
1cd3
|
MediumFast | 2026-03-27 20:42:30 UTC | Current |
| Meshtastic b018 (b018) |
-1.325s
Before |
-33.0 dBm | 7.00 dB | 3 |
d3
1cd3
|
LongFast | 2026-03-27 20:42:29 UTC | View |
| Meshtastic b018 (b018) |
-1.300s
Before |
-33.0 dBm | 7.00 dB | 3 |
d3
1cd3
|
LongFast | 2026-03-27 20:42:29 UTC | View |
| Meshtastic b018 (b018) |
-1.267s
Before |
-33.0 dBm | 7.00 dB | 3 |
d3
1cd3
|
LongFast | 2026-03-27 20:42:29 UTC | View |
| Meshtastic b018 (b018) |
-0.889s
Before |
-33.0 dBm | 7.00 dB | 3 |
d3
1cd3
|
LongFast | 2026-03-27 20:42:29 UTC | View |
| Meshtastic b018 (b018) |
-0.866s
Before |
-33.0 dBm | 7.00 dB | 3 |
d3
1cd3
|
LongFast | 2026-03-27 20:42:29 UTC | View |
| Meshtastic b018 (b018) |
-0.844s
Before |
-33.0 dBm | 7.00 dB | 3 |
d3
1cd3
|
LongFast | 2026-03-27 20:42:29 UTC | View |
| Meshtastic b018 (b018) |
-0.823s
Before |
-33.0 dBm | 7.00 dB | 3 |
d3
1cd3
|
LongFast | 2026-03-27 20:42:29 UTC | View |
| Meshtastic b018 (b018) |
-0.794s
Before |
-33.0 dBm | 7.00 dB | 3 |
d3
1cd3
|
LongFast | 2026-03-27 20:42:29 UTC | View |
| Meshtastic b018 (b018) |
-0.770s
Before |
-33.0 dBm | 7.00 dB | 3 |
d3
1cd3
|
LongFast | 2026-03-27 20:42:29 UTC | View |
| Meshtastic b018 (b018) |
-0.391s
Before |
-33.0 dBm | 7.00 dB | 3 |
d3
1cd3
|
LongFast | 2026-03-27 20:42:30 UTC | View |
| Meshtastic b018 (b018) |
-0.366s
Before |
-33.0 dBm | 7.00 dB | 3 |
d3
1cd3
|
LongFast | 2026-03-27 20:42:30 UTC | View |
| Meshtastic b018 (b018) |
+0.027s
After |
-33.0 dBm | 7.00 dB | 3 |
d3
1cd3
|
MediumFast | 2026-03-27 20:42:30 UTC | View |
| Meshtastic b018 (b018) |
+0.051s
After |
-33.0 dBm | 7.00 dB | 3 |
d3
1cd3
|
MediumFast | 2026-03-27 20:42:30 UTC | View |
| Meshtastic b018 (b018) |
+0.439s
After |
-33.0 dBm | 7.00 dB | 3 |
d3
1cd3
|
MediumFast | 2026-03-27 20:42:31 UTC | View |
| Meshtastic b018 (b018) |
+0.466s
After |
-33.0 dBm | 7.00 dB | 3 |
d3
1cd3
|
MediumFast | 2026-03-27 20:42:31 UTC | View |
| Meshtastic b018 (b018) |
+0.839s
After |
-33.0 dBm | 7.00 dB | 3 |
d3
1cd3
|
MediumFast | 2026-03-27 20:42:31 UTC | View |
| Meshtastic b018 (b018) |
+0.867s
After |
-33.0 dBm | 7.00 dB | 3 |
d3
1cd3
|
MediumFast | 2026-03-27 20:42:31 UTC | View |
| Meshtastic b018 (b018) |
+0.899s
After |
-33.0 dBm | 7.00 dB | 3 |
d3
1cd3
|
MediumFast | 2026-03-27 20:42:31 UTC | View |
| Meshtastic b018 (b018) |
+0.926s
After |
-33.0 dBm | 7.00 dB | 3 |
d3
1cd3
|
MediumFast | 2026-03-27 20:42:31 UTC | View |
| Meshtastic b018 (b018) |
+0.955s
After |
-33.0 dBm | 7.00 dB | 3 |
d3
1cd3
|
MediumFast | 2026-03-27 20:42:31 UTC | View |
| Meshtastic b018 (b018) |
+1.398s
After |
-33.0 dBm | 7.00 dB | 3 |
d3
1cd3
|
MediumFast | 2026-03-27 20:42:32 UTC | View |
| Meshtastic b018 (b018) |
+1.786s
After |
-33.0 dBm | 7.00 dB | 3 |
d3
1cd3
|
ShortFast | 2026-03-27 20:42:32 UTC | View |
| Meshtastic b018 (b018) |
+1.823s
After |
-33.0 dBm | 7.00 dB | 3 |
d3
1cd3
|
ShortFast | 2026-03-27 20:42:32 UTC | View |
| Meshtastic b018 (b018) |
+2.173s
After |
-33.0 dBm | 7.00 dB | 3 |
d3
1cd3
|
ShortFast | 2026-03-27 20:42:32 UTC | View |
| Meshtastic b018 (b018) |
+2.207s
After |
-33.0 dBm | 7.00 dB | 3 |
d3
1cd3
|
ShortFast | 2026-03-27 20:42:32 UTC | View |
| Meshtastic b018 (b018) |
+2.233s
After |
-33.0 dBm | 7.00 dB | 3 |
d3
1cd3
|
ShortFast | 2026-03-27 20:42:32 UTC | View |
| Meshtastic b018 (b018) |
+2.266s
After |
-33.0 dBm | 7.00 dB | 3 |
d3
1cd3
|
ShortFast | 2026-03-27 20:42:32 UTC | View |
| Meshtastic b018 (b018) |
+2.328s
After |
-33.0 dBm | 7.00 dB | 3 |
d3
1cd3
|
ShortFast | 2026-03-27 20:42:32 UTC | View |
| Meshtastic b018 (b018) |
+2.386s
After |
-33.0 dBm | 7.00 dB | 3 |
d3
1cd3
|
ShortFast | 2026-03-27 20:42:33 UTC | View |
| Meshtastic b018 (b018) |
+3.169s
After |
-33.0 dBm | 7.00 dB | 3 |
d3
1cd3
|
ShortFast | 2026-03-27 20:42:33 UTC | View |
| Meshtastic b018 (b018) |
+3.893s
After |
-33.0 dBm | 7.00 dB | 3 |
d3
1cd3
|
ShortFast | 2026-03-27 20:42:34 UTC | View |
| Meshtastic b018 (b018) |
+4.682s
After |
-33.0 dBm | 7.00 dB | 3 |
d3
1cd3
|
ShortFast | 2026-03-27 20:42:35 UTC | View |
| Meshtastic b018 (b018) |
+4.711s
After |
-33.0 dBm | 7.00 dB | 3 |
d3
1cd3
|
ShortTurbo | 2026-03-27 20:42:35 UTC | View |
| Meshtastic b018 (b018) |
+4.754s
After |
-33.0 dBm | 7.00 dB | 3 |
d3
1cd3
|
ShortTurbo | 2026-03-27 20:42:35 UTC | View |
| Meshtastic b018 (b018) |
+4.782s
After |
-33.0 dBm | 7.00 dB | 3 |
d3
1cd3
|
ShortTurbo | 2026-03-27 20:42:35 UTC | View |
| Meshtastic b018 (b018) |
+4.808s
After |
-33.0 dBm | 7.00 dB | 3 |
d3
1cd3
|
ShortTurbo | 2026-03-27 20:42:35 UTC | View |
| Meshtastic b018 (b018) |
+4.829s
After |
-33.0 dBm | 7.00 dB | 3 |
d3
1cd3
|
ShortTurbo | 2026-03-27 20:42:35 UTC | View |
| Meshtastic b018 (b018) |
+4.850s
After |
-33.0 dBm | 7.00 dB | 3 |
d3
1cd3
|
ShortTurbo | 2026-03-27 20:42:35 UTC | View |
| Meshtastic b018 (b018) |
+4.871s
After |
-33.0 dBm | 7.00 dB | 3 |
d3
1cd3
|
ShortTurbo | 2026-03-27 20:42:35 UTC | View |
| Meshtastic b018 (b018) |
+4.896s
After |
-33.0 dBm | 7.00 dB | 3 |
d3
1cd3
|
ShortTurbo | 2026-03-27 20:42:35 UTC | View |
| Meshtastic b018 (b018) |
+4.920s
After |
-33.0 dBm | 7.00 dB | 3 |
d3
1cd3
|
ShortTurbo | 2026-03-27 20:42:35 UTC | View |
| Meshtastic b018 (b018) |
+4.956s
After |
-33.0 dBm | 7.00 dB | 3 |
d3
1cd3
|
ShortTurbo | 2026-03-27 20:42:35 UTC | View |
| Meshtastic b018 (b018) |
+4.980s
After |
-33.0 dBm | 7.00 dB | 3 |
d3
1cd3
|
ShortTurbo | 2026-03-27 20:42:35 UTC | View |
| Meshtastic b018 (b018) |
+5.003s
After |
-33.0 dBm | 7.00 dB | 3 |
d3
1cd3
|
LongFast | 2026-03-27 20:42:35 UTC | View |
45
Total Receptions
1
Unique Gateways