Packet #17811421 Success
TELEMETRY_APP packet from Meshtastic 5b2c (5b2c) to !ffffffff
45
Total Receptions
1
Unique Gateways
3
Hop Count
26
Payload Bytes
Packet Information
| Database ID: | 17811421 |
|---|---|
| Mesh Packet ID: |
0xfeff8ae9
Used for correlation across gateways |
| Timestamp: | 2026-03-27 10:15:20 UTC |
| From Node: | Meshtastic 5b2c (5b2c) |
| To Node: | !ffffffff (ffff) |
| Success: | Processed |
| Protocol: |
TELEMETRY_APP
Port: 67 |
| Gateway: | DIR Rooftop (DIR) |
|---|---|
| Channel: | MediumFast |
| RSSI: | -88 dBm |
| SNR: | -18.25 dBm |
| Hop Info: |
3/3 hops
Start: 3, Limit: 0 |
| Relay Node: |
8f
Last byte of the last hop that relayed this packet |
Payload Data
Protocol: TELEMETRY_APP
Size: 26 bytes
Decoded:
Yes
Decoded Data:
Device Metrics:
| Battery: | 101% |
|---|---|
| Voltage: | -0.00 V |
| Channel Usage: | 2.7% |
| Air Util TX: | 0.0% |
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: | 26 bytes |
|---|---|
| Gateway: | !6985083c |
| Channel: | MediumFast |
| Payload Type: | TELEMETRY_APP |
| Hop Count: | 3 / 3 |
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 |
!6985083c
Node ID format |
channel_id |
MediumFast
|
packet |
MeshPacket (26 bytes)
Contains the actual mesh network packet |
MeshPacket Fields
Core mesh packet with routing and payload information
| Field | Value | Type |
|---|---|---|
from |
3667745580
Source node ID |
uint32 |
to |
4294967295 (Broadcast)
Visible to all nodes |
uint32 |
decoded.portnum |
67
TELEMETRY_APP |
enum |
decoded.payload_length |
26 bytes
|
size |
hop_limit |
Not set | uint32 |
hop_start |
3
Initial hop limit |
uint32 |
hops_taken |
3
Calculated: hop_start - hop_limit |
derived |
rx_rssi |
-88.0 dBm
Signal strength at gateway |
int32 |
rx_snr |
-18.25 dB
Signal quality at gateway |
float |
rx_time |
1774606520
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 |
143
Relay node ID |
uint32 |
tx_after |
Not set | uint32 |
timestamp |
1774606520.4695697
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: | !6985083c |
| Signal Metrics: |
RSSI: -88.0 dBm SNR: -18.25 dB |
Complete Payload Analysis
Detailed breakdown of all payload fields and decoded data
Payload Metadata:
| Protocol: | TELEMETRY_APP |
|---|---|
| Size: | 26 bytes |
| Decoded: | Yes |
Complete Payload Data (JSON):
{
"time": 1774606504,
"device_metrics": {
"battery_level": 101,
"voltage": -0.001,
"channel_utilization": 2.685,
"air_util_tx": 0.04475,
"uptime_seconds": 61
}
}
Complete Protobuf Decode (JSON)
{
"service_envelope": {
"gateway_id": "!6985083c",
"channel_id": "MediumFast",
"packet": "MeshPacket (see mesh_packet below)"
},
"mesh_packet": {
"from": 3667745580,
"to": 4294967295,
"id": 4278160105,
"rx_time": 1774606520,
"rx_snr": -18.25,
"rx_rssi": -88,
"hop_limit": 0,
"hop_start": 3,
"via_mqtt": false,
"want_ack": false,
"priority": 0,
"delayed": 0,
"channel_index": null,
"pki_encrypted": false,
"next_hop": 0,
"relay_node": 143,
"tx_after": 0,
"decoded": {
"portnum": 67,
"payload": "0da858c66912130865156f1283ba1d0ad72b4025c74b373d283d",
"want_response": null,
"dest": null,
"source": null,
"request_id": null,
"reply_id": null,
"emoji": null,
"parsed_payload": {
"time": 1774606504,
"device_metrics": {
"battery_level": 101,
"voltage": -0.001,
"channel_utilization": 2.685,
"air_util_tx": 0.04475,
"uptime_seconds": 61
},
"type": "protobuf",
"portnum": "TELEMETRY_APP",
"message_class": "Telemetry"
}
}
}
}
Raw Packet Data (26 bytes)
0da858c66912130865156f1283ba1d0ad72b4025c74b373d283d
Hex Analysis:
| Size: | 26 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 |
|---|---|---|---|---|---|---|---|---|
| DIR Rooftop (DIR) Primary |
0.000s
Reference |
-88.0 dBm | -18.25 dB | 3 |
8f
|
MediumFast | 2026-03-27 10:15:20 UTC | Current |
| DIR Rooftop (DIR) |
-0.503s
Before |
-88.0 dBm | -18.25 dB | 3 |
8f
|
LongFast | 2026-03-27 10:15:19 UTC | View |
| DIR Rooftop (DIR) |
-0.476s
Before |
-88.0 dBm | -18.25 dB | 3 |
8f
|
LongFast | 2026-03-27 10:15:19 UTC | View |
| DIR Rooftop (DIR) |
-0.445s
Before |
-88.0 dBm | -18.25 dB | 3 |
8f
|
LongFast | 2026-03-27 10:15:20 UTC | View |
| DIR Rooftop (DIR) |
-0.407s
Before |
-88.0 dBm | -18.25 dB | 3 |
8f
|
LongFast | 2026-03-27 10:15:20 UTC | View |
| DIR Rooftop (DIR) |
-0.384s
Before |
-88.0 dBm | -18.25 dB | 3 |
8f
|
LongFast | 2026-03-27 10:15:20 UTC | View |
| DIR Rooftop (DIR) |
-0.362s
Before |
-88.0 dBm | -18.25 dB | 3 |
8f
|
LongFast | 2026-03-27 10:15:20 UTC | View |
| DIR Rooftop (DIR) |
-0.340s
Before |
-88.0 dBm | -18.25 dB | 3 |
8f
|
LongFast | 2026-03-27 10:15:20 UTC | View |
| DIR Rooftop (DIR) |
-0.319s
Before |
-88.0 dBm | -18.25 dB | 3 |
8f
|
LongFast | 2026-03-27 10:15:20 UTC | View |
| DIR Rooftop (DIR) |
-0.298s
Before |
-88.0 dBm | -18.25 dB | 3 |
8f
|
LongFast | 2026-03-27 10:15:20 UTC | View |
| DIR Rooftop (DIR) |
-0.274s
Before |
-88.0 dBm | -18.25 dB | 3 |
8f
|
LongFast | 2026-03-27 10:15:20 UTC | View |
| DIR Rooftop (DIR) |
-0.250s
Before |
-88.0 dBm | -18.25 dB | 3 |
8f
|
LongFast | 2026-03-27 10:15:20 UTC | View |
| DIR Rooftop (DIR) |
-0.226s
Before |
-88.0 dBm | -18.25 dB | 3 |
8f
|
MediumFast | 2026-03-27 10:15:20 UTC | View |
| DIR Rooftop (DIR) |
-0.203s
Before |
-88.0 dBm | -18.25 dB | 3 |
8f
|
MediumFast | 2026-03-27 10:15:20 UTC | View |
| DIR Rooftop (DIR) |
-0.181s
Before |
-88.0 dBm | -18.25 dB | 3 |
8f
|
MediumFast | 2026-03-27 10:15:20 UTC | View |
| DIR Rooftop (DIR) |
-0.159s
Before |
-88.0 dBm | -18.25 dB | 3 |
8f
|
MediumFast | 2026-03-27 10:15:20 UTC | View |
| DIR Rooftop (DIR) |
-0.138s
Before |
-88.0 dBm | -18.25 dB | 3 |
8f
|
MediumFast | 2026-03-27 10:15:20 UTC | View |
| DIR Rooftop (DIR) |
-0.117s
Before |
-88.0 dBm | -18.25 dB | 3 |
8f
|
MediumFast | 2026-03-27 10:15:20 UTC | View |
| DIR Rooftop (DIR) |
-0.093s
Before |
-88.0 dBm | -18.25 dB | 3 |
8f
|
MediumFast | 2026-03-27 10:15:20 UTC | View |
| DIR Rooftop (DIR) |
-0.069s
Before |
-88.0 dBm | -18.25 dB | 3 |
8f
|
MediumFast | 2026-03-27 10:15:20 UTC | View |
| DIR Rooftop (DIR) |
-0.045s
Before |
-88.0 dBm | -18.25 dB | 3 |
8f
|
MediumFast | 2026-03-27 10:15:20 UTC | View |
| DIR Rooftop (DIR) |
-0.022s
Before |
-88.0 dBm | -18.25 dB | 3 |
8f
|
MediumFast | 2026-03-27 10:15:20 UTC | View |
| DIR Rooftop (DIR) |
+0.022s
After |
-88.0 dBm | -18.25 dB | 3 |
8f
|
ShortFast | 2026-03-27 10:15:20 UTC | View |
| DIR Rooftop (DIR) |
+0.043s
After |
-88.0 dBm | -18.25 dB | 3 |
8f
|
ShortFast | 2026-03-27 10:15:20 UTC | View |
| DIR Rooftop (DIR) |
+0.064s
After |
-88.0 dBm | -18.25 dB | 3 |
8f
|
ShortFast | 2026-03-27 10:15:20 UTC | View |
| DIR Rooftop (DIR) |
+0.089s
After |
-88.0 dBm | -18.25 dB | 3 |
8f
|
ShortFast | 2026-03-27 10:15:20 UTC | View |
| DIR Rooftop (DIR) |
+0.113s
After |
-88.0 dBm | -18.25 dB | 3 |
8f
|
ShortFast | 2026-03-27 10:15:20 UTC | View |
| DIR Rooftop (DIR) |
+0.136s
After |
-88.0 dBm | -18.25 dB | 3 |
8f
|
ShortFast | 2026-03-27 10:15:20 UTC | View |
| DIR Rooftop (DIR) |
+0.160s
After |
-88.0 dBm | -18.25 dB | 3 |
8f
|
ShortFast | 2026-03-27 10:15:20 UTC | View |
| DIR Rooftop (DIR) |
+0.182s
After |
-88.0 dBm | -18.25 dB | 3 |
8f
|
ShortFast | 2026-03-27 10:15:20 UTC | View |
| DIR Rooftop (DIR) |
+0.203s
After |
-88.0 dBm | -18.25 dB | 3 |
8f
|
ShortFast | 2026-03-27 10:15:20 UTC | View |
| DIR Rooftop (DIR) |
+0.225s
After |
-88.0 dBm | -18.25 dB | 3 |
8f
|
ShortFast | 2026-03-27 10:15:20 UTC | View |
| DIR Rooftop (DIR) |
+0.246s
After |
-88.0 dBm | -18.25 dB | 3 |
8f
|
ShortFast | 2026-03-27 10:15:20 UTC | View |
| DIR Rooftop (DIR) |
+0.270s
After |
-88.0 dBm | -18.25 dB | 3 |
8f
|
ShortTurbo | 2026-03-27 10:15:20 UTC | View |
| DIR Rooftop (DIR) |
+0.294s
After |
-88.0 dBm | -18.25 dB | 3 |
8f
|
ShortTurbo | 2026-03-27 10:15:20 UTC | View |
| DIR Rooftop (DIR) |
+0.318s
After |
-88.0 dBm | -18.25 dB | 3 |
8f
|
ShortTurbo | 2026-03-27 10:15:20 UTC | View |
| DIR Rooftop (DIR) |
+0.341s
After |
-88.0 dBm | -18.25 dB | 3 |
8f
|
ShortTurbo | 2026-03-27 10:15:20 UTC | View |
| DIR Rooftop (DIR) |
+0.362s
After |
-88.0 dBm | -18.25 dB | 3 |
8f
|
ShortTurbo | 2026-03-27 10:15:20 UTC | View |
| DIR Rooftop (DIR) |
+0.384s
After |
-88.0 dBm | -18.25 dB | 3 |
8f
|
ShortTurbo | 2026-03-27 10:15:20 UTC | View |
| DIR Rooftop (DIR) |
+0.405s
After |
-88.0 dBm | -18.25 dB | 3 |
8f
|
ShortTurbo | 2026-03-27 10:15:20 UTC | View |
| DIR Rooftop (DIR) |
+0.426s
After |
-88.0 dBm | -18.25 dB | 3 |
8f
|
ShortTurbo | 2026-03-27 10:15:20 UTC | View |
| DIR Rooftop (DIR) |
+0.451s
After |
-88.0 dBm | -18.25 dB | 3 |
8f
|
ShortTurbo | 2026-03-27 10:15:20 UTC | View |
| DIR Rooftop (DIR) |
+0.475s
After |
-88.0 dBm | -18.25 dB | 3 |
8f
|
ShortTurbo | 2026-03-27 10:15:20 UTC | View |
| DIR Rooftop (DIR) |
+0.499s
After |
-88.0 dBm | -18.25 dB | 3 |
8f
|
ShortTurbo | 2026-03-27 10:15:20 UTC | View |
| DIR Rooftop (DIR) |
+0.522s
After |
-88.0 dBm | -18.25 dB | 3 |
8f
|
LongFast | 2026-03-27 10:15:20 UTC | View |
45
Total Receptions
1
Unique Gateways