Packet #17874074 Success
TELEMETRY_APP packet from Meshtastic ac04 (ac04) to !ffffffff
45
Total Receptions
1
Unique Gateways
0
Hop Count
26
Payload Bytes
Packet Information
| Database ID: | 17874074 |
|---|---|
| Mesh Packet ID: |
0x54f6ff62
Used for correlation across gateways |
| Timestamp: | 2026-03-27 13:01:24 UTC |
| From Node: | Meshtastic ac04 (ac04) |
| To Node: | !ffffffff (ffff) |
| Success: | Processed |
| Protocol: |
TELEMETRY_APP
Port: 67 |
| Gateway: | TMS stationary outdoor node (TMSO) |
|---|---|
| Channel: | MediumFast |
| RSSI: | -126 dBm |
| SNR: | -15.25 dBm |
| Hop Info: |
0/7 hops
Start: 7, Limit: 7 |
| Relay Node: |
04
ac04
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: 26 bytes
Decoded:
Yes
Decoded Data:
Device Metrics:
| Battery: | 70% |
|---|---|
| Voltage: | 3.89 V |
| Channel Usage: | 2.6% |
| 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: | !43b596d0 |
| Channel: | MediumFast |
| Payload Type: | TELEMETRY_APP |
| Hop Count: | Unknown / 7 |
Privacy Summary
Exposure Level:
Broadcast
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 2 more...
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 2 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 1 more...
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 1 more...
MQTT ServiceEnvelope Fields
MQTT ServiceEnvelope contains the MeshPacket plus routing metadata
| Field | Value |
|---|---|
gateway_id |
!43b596d0
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 |
2666114052
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 |
7
Remaining hops allowed |
uint32 |
hop_start |
7
Initial hop limit |
uint32 |
hops_taken |
0
Calculated: hop_start - hop_limit |
derived |
rx_rssi |
-126.0 dBm
Signal strength at gateway |
int32 |
rx_snr |
-15.25 dB
Signal quality at gateway |
float |
rx_time |
1774616482
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 |
4
Relay node ID |
uint32 |
tx_after |
Not set | uint32 |
timestamp |
1774616484.2729676
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
- ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
- ⚠ Visible to all nodes on channel
- ⚠ Packet visible to MQTT subscribers
- ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
| Gateway ID: | !43b596d0 |
| Zero Hop Policy: |
Enabled
Direct gateway connection |
| Signal Metrics: |
RSSI: -126.0 dBm SNR: -15.25 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": 62,
"device_metrics": {
"battery_level": 70,
"voltage": 3.894,
"channel_utilization": 2.6000001,
"air_util_tx": 0.043333333,
"uptime_seconds": 62
}
}
Complete Protobuf Decode (JSON)
{
"service_envelope": {
"gateway_id": "!43b596d0",
"channel_id": "MediumFast",
"packet": "MeshPacket (see mesh_packet below)"
},
"mesh_packet": {
"from": 2666114052,
"to": 4294967295,
"id": 1425473378,
"rx_time": 1774616482,
"rx_snr": -15.25,
"rx_rssi": -126,
"hop_limit": 7,
"hop_start": 7,
"via_mqtt": false,
"want_ack": false,
"priority": 0,
"delayed": 0,
"channel_index": null,
"pki_encrypted": false,
"next_hop": 0,
"relay_node": 4,
"tx_after": 0,
"decoded": {
"portnum": 67,
"payload": "0d3e00000012130846154c3779401d67662640254b7e313d283e",
"want_response": null,
"dest": null,
"source": null,
"request_id": null,
"reply_id": null,
"emoji": null,
"parsed_payload": {
"time": 62,
"device_metrics": {
"battery_level": 70,
"voltage": 3.894,
"channel_utilization": 2.6000001,
"air_util_tx": 0.043333333,
"uptime_seconds": 62
},
"type": "protobuf",
"portnum": "TELEMETRY_APP",
"message_class": "Telemetry"
}
}
}
}
Raw Packet Data (26 bytes)
0d3e00000012130846154c3779401d67662640254b7e313d283e
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 |
|---|---|---|---|---|---|---|---|---|
| TMS stationary outdoor node (TMSO) Primary |
0.000s
Reference |
-126.0 dBm | -15.25 dB | 0 |
04
ac04
|
MediumFast | 2026-03-27 13:01:24 UTC | Current |
| TMS stationary outdoor node (TMSO) |
-0.363s
Before |
-126.0 dBm | -15.25 dB | 0 |
04
ac04
|
LongFast | 2026-03-27 13:01:23 UTC | View |
| TMS stationary outdoor node (TMSO) |
-0.335s
Before |
-126.0 dBm | -15.25 dB | 0 |
04
ac04
|
LongFast | 2026-03-27 13:01:23 UTC | View |
| TMS stationary outdoor node (TMSO) |
-0.293s
Before |
-126.0 dBm | -15.25 dB | 0 |
04
ac04
|
LongFast | 2026-03-27 13:01:23 UTC | View |
| TMS stationary outdoor node (TMSO) |
-0.272s
Before |
-126.0 dBm | -15.25 dB | 0 |
04
ac04
|
LongFast | 2026-03-27 13:01:24 UTC | View |
| TMS stationary outdoor node (TMSO) |
-0.251s
Before |
-126.0 dBm | -15.25 dB | 0 |
04
ac04
|
LongFast | 2026-03-27 13:01:24 UTC | View |
| TMS stationary outdoor node (TMSO) |
-0.229s
Before |
-126.0 dBm | -15.25 dB | 0 |
04
ac04
|
LongFast | 2026-03-27 13:01:24 UTC | View |
| TMS stationary outdoor node (TMSO) |
-0.208s
Before |
-126.0 dBm | -15.25 dB | 0 |
04
ac04
|
LongFast | 2026-03-27 13:01:24 UTC | View |
| TMS stationary outdoor node (TMSO) |
-0.186s
Before |
-126.0 dBm | -15.25 dB | 0 |
04
ac04
|
LongFast | 2026-03-27 13:01:24 UTC | View |
| TMS stationary outdoor node (TMSO) |
-0.154s
Before |
-126.0 dBm | -15.25 dB | 0 |
04
ac04
|
LongFast | 2026-03-27 13:01:24 UTC | View |
| TMS stationary outdoor node (TMSO) |
-0.129s
Before |
-126.0 dBm | -15.25 dB | 0 |
04
ac04
|
LongFast | 2026-03-27 13:01:24 UTC | View |
| TMS stationary outdoor node (TMSO) |
-0.103s
Before |
-126.0 dBm | -15.25 dB | 0 |
04
ac04
|
LongFast | 2026-03-27 13:01:24 UTC | View |
| TMS stationary outdoor node (TMSO) |
-0.077s
Before |
-126.0 dBm | -15.25 dB | 0 |
04
ac04
|
MediumFast | 2026-03-27 13:01:24 UTC | View |
| TMS stationary outdoor node (TMSO) |
-0.051s
Before |
-126.0 dBm | -15.25 dB | 0 |
04
ac04
|
MediumFast | 2026-03-27 13:01:24 UTC | View |
| TMS stationary outdoor node (TMSO) |
-0.026s
Before |
-126.0 dBm | -15.25 dB | 0 |
04
ac04
|
MediumFast | 2026-03-27 13:01:24 UTC | View |
| TMS stationary outdoor node (TMSO) |
+0.025s
After |
-126.0 dBm | -15.25 dB | 0 |
04
ac04
|
MediumFast | 2026-03-27 13:01:24 UTC | View |
| TMS stationary outdoor node (TMSO) |
+0.050s
After |
-126.0 dBm | -15.25 dB | 0 |
04
ac04
|
MediumFast | 2026-03-27 13:01:24 UTC | View |
| TMS stationary outdoor node (TMSO) |
+0.083s
After |
-126.0 dBm | -15.25 dB | 0 |
04
ac04
|
MediumFast | 2026-03-27 13:01:24 UTC | View |
| TMS stationary outdoor node (TMSO) |
+0.110s
After |
-126.0 dBm | -15.25 dB | 0 |
04
ac04
|
MediumFast | 2026-03-27 13:01:24 UTC | View |
| TMS stationary outdoor node (TMSO) |
+0.135s
After |
-126.0 dBm | -15.25 dB | 0 |
04
ac04
|
MediumFast | 2026-03-27 13:01:24 UTC | View |
| TMS stationary outdoor node (TMSO) |
+0.164s
After |
-126.0 dBm | -15.25 dB | 0 |
04
ac04
|
MediumFast | 2026-03-27 13:01:24 UTC | View |
| TMS stationary outdoor node (TMSO) |
+0.193s
After |
-126.0 dBm | -15.25 dB | 0 |
04
ac04
|
MediumFast | 2026-03-27 13:01:24 UTC | View |
| TMS stationary outdoor node (TMSO) |
+0.218s
After |
-126.0 dBm | -15.25 dB | 0 |
04
ac04
|
ShortFast | 2026-03-27 13:01:24 UTC | View |
| TMS stationary outdoor node (TMSO) |
+0.243s
After |
-126.0 dBm | -15.25 dB | 0 |
04
ac04
|
ShortFast | 2026-03-27 13:01:24 UTC | View |
| TMS stationary outdoor node (TMSO) |
+0.268s
After |
-126.0 dBm | -15.25 dB | 0 |
04
ac04
|
ShortFast | 2026-03-27 13:01:24 UTC | View |
| TMS stationary outdoor node (TMSO) |
+0.295s
After |
-126.0 dBm | -15.25 dB | 0 |
04
ac04
|
ShortFast | 2026-03-27 13:01:24 UTC | View |
| TMS stationary outdoor node (TMSO) |
+0.324s
After |
-126.0 dBm | -15.25 dB | 0 |
04
ac04
|
ShortFast | 2026-03-27 13:01:24 UTC | View |
| TMS stationary outdoor node (TMSO) |
+0.349s
After |
-126.0 dBm | -15.25 dB | 0 |
04
ac04
|
ShortFast | 2026-03-27 13:01:24 UTC | View |
| TMS stationary outdoor node (TMSO) |
+0.379s
After |
-126.0 dBm | -15.25 dB | 0 |
04
ac04
|
ShortFast | 2026-03-27 13:01:24 UTC | View |
| TMS stationary outdoor node (TMSO) |
+0.407s
After |
-126.0 dBm | -15.25 dB | 0 |
04
ac04
|
ShortFast | 2026-03-27 13:01:24 UTC | View |
| TMS stationary outdoor node (TMSO) |
+0.434s
After |
-126.0 dBm | -15.25 dB | 0 |
04
ac04
|
ShortFast | 2026-03-27 13:01:24 UTC | View |
| TMS stationary outdoor node (TMSO) |
+0.461s
After |
-126.0 dBm | -15.25 dB | 0 |
04
ac04
|
ShortFast | 2026-03-27 13:01:24 UTC | View |
| TMS stationary outdoor node (TMSO) |
+0.487s
After |
-126.0 dBm | -15.25 dB | 0 |
04
ac04
|
ShortFast | 2026-03-27 13:01:24 UTC | View |
| TMS stationary outdoor node (TMSO) |
+0.511s
After |
-126.0 dBm | -15.25 dB | 0 |
04
ac04
|
ShortTurbo | 2026-03-27 13:01:24 UTC | View |
| TMS stationary outdoor node (TMSO) |
+0.537s
After |
-126.0 dBm | -15.25 dB | 0 |
04
ac04
|
ShortTurbo | 2026-03-27 13:01:24 UTC | View |
| TMS stationary outdoor node (TMSO) |
+0.566s
After |
-126.0 dBm | -15.25 dB | 0 |
04
ac04
|
ShortTurbo | 2026-03-27 13:01:24 UTC | View |
| TMS stationary outdoor node (TMSO) |
+0.595s
After |
-126.0 dBm | -15.25 dB | 0 |
04
ac04
|
ShortTurbo | 2026-03-27 13:01:24 UTC | View |
| TMS stationary outdoor node (TMSO) |
+0.626s
After |
-126.0 dBm | -15.25 dB | 0 |
04
ac04
|
ShortTurbo | 2026-03-27 13:01:24 UTC | View |
| TMS stationary outdoor node (TMSO) |
+0.654s
After |
-126.0 dBm | -15.25 dB | 0 |
04
ac04
|
ShortTurbo | 2026-03-27 13:01:24 UTC | View |
| TMS stationary outdoor node (TMSO) |
+0.681s
After |
-126.0 dBm | -15.25 dB | 0 |
04
ac04
|
ShortTurbo | 2026-03-27 13:01:24 UTC | View |
| TMS stationary outdoor node (TMSO) |
+0.706s
After |
-126.0 dBm | -15.25 dB | 0 |
04
ac04
|
ShortTurbo | 2026-03-27 13:01:24 UTC | View |
| TMS stationary outdoor node (TMSO) |
+0.730s
After |
-126.0 dBm | -15.25 dB | 0 |
04
ac04
|
ShortTurbo | 2026-03-27 13:01:25 UTC | View |
| TMS stationary outdoor node (TMSO) |
+0.754s
After |
-126.0 dBm | -15.25 dB | 0 |
04
ac04
|
ShortTurbo | 2026-03-27 13:01:25 UTC | View |
| TMS stationary outdoor node (TMSO) |
+0.780s
After |
-126.0 dBm | -15.25 dB | 0 |
04
ac04
|
ShortTurbo | 2026-03-27 13:01:25 UTC | View |
| TMS stationary outdoor node (TMSO) |
+0.808s
After |
-126.0 dBm | -15.25 dB | 0 |
04
ac04
|
LongFast | 2026-03-27 13:01:25 UTC | View |
45
Total Receptions
1
Unique Gateways