Packet #40707956 Success
TELEMETRY_APP packet from VE2DID a540 (2DID) to !ffffffff
45
Total Receptions
1
Unique Gateways
1
Hop Count
28
Payload Bytes
Packet Information
| Database ID: | 40707956 |
|---|---|
| Mesh Packet ID: |
0xab5b5265
Used for correlation across gateways |
| Timestamp: | 2026-05-19 08:40:36 UTC |
| From Node: | VE2DID a540 (2DID) |
| To Node: | !ffffffff (ffff) |
| Success: | Processed |
| Protocol: |
TELEMETRY_APP
Port: 67 |
| Gateway: | !a20a1130 (1130) |
|---|---|
| Channel: | LongFast |
| RSSI: | -77 dBm |
| SNR: | 6.75 dBm |
| Hop Info: |
1/3 hops
Start: 3, Limit: 2 |
| Relay Node: | None |
Payload Data
Protocol: TELEMETRY_APP
Size: 28 bytes
Decoded:
Yes
Decoded Data:
Device Metrics:
| Battery: | 101% |
|---|---|
| Voltage: | 4.30 V |
| Channel Usage: | 10.7% |
| Air Util TX: | 0.7% |
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: | !a20a1130 |
| Channel: | LongFast |
| Payload Type: | TELEMETRY_APP |
| Hop Count: | 1 / 3 |
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 |
!a20a1130
Node ID format |
channel_id |
LongFast
Default public channel |
packet |
MeshPacket (28 bytes)
Contains the actual mesh network packet |
MeshPacket Fields
Core mesh packet with routing and payload information
| Field | Value | Type |
|---|---|---|
from |
1770366272
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 |
2
Remaining hops allowed |
uint32 |
hop_start |
3
Initial hop limit |
uint32 |
hops_taken |
1
Calculated: hop_start - hop_limit |
derived |
rx_rssi |
-77.0 dBm
Signal strength at gateway |
int32 |
rx_snr |
6.75 dB
Signal quality at gateway |
float |
rx_time |
1779180035
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 |
Not set | uint32 |
tx_after |
Not set | uint32 |
timestamp |
1779180036.07966
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 (1 hops)
- ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
| Gateway ID: | !a20a1130 |
| Signal Metrics: |
RSSI: -77.0 dBm SNR: 6.75 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": 1779180026,
"device_metrics": {
"battery_level": 101,
"voltage": 4.305,
"channel_utilization": 10.748334,
"air_util_tx": 0.70655555,
"uptime_seconds": 157339
}
}
Complete Protobuf Decode (JSON)
{
"service_envelope": {
"gateway_id": "!a20a1130",
"channel_id": "LongFast",
"packet": "MeshPacket (see mesh_packet below)"
},
"mesh_packet": {
"from": 1770366272,
"to": 4294967295,
"id": 2874888805,
"rx_time": 1779180035,
"rx_snr": 6.75,
"rx_rssi": -77,
"hop_limit": 2,
"hop_start": 3,
"via_mqtt": false,
"want_ack": false,
"priority": 0,
"delayed": 0,
"channel_index": null,
"pki_encrypted": false,
"next_hop": 0,
"relay_node": 0,
"tx_after": 0,
"decoded": {
"portnum": 67,
"payload": "0dfa210c6a12150865158fc289401d2df92b4125d3e0343f289bcd09",
"want_response": null,
"dest": null,
"source": null,
"request_id": null,
"reply_id": null,
"emoji": null,
"parsed_payload": {
"time": 1779180026,
"device_metrics": {
"battery_level": 101,
"voltage": 4.305,
"channel_utilization": 10.748334,
"air_util_tx": 0.70655555,
"uptime_seconds": 157339
},
"type": "protobuf",
"portnum": "TELEMETRY_APP",
"message_class": "Telemetry"
}
}
}
}
Raw Packet Data (28 bytes)
0dfa210c6a12150865158fc289401d2df92b4125d3e0343f289bcd09
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 |
|---|---|---|---|---|---|---|---|---|
| !a20a1130 (1130) Primary |
0.000s
Reference |
-77.0 dBm | 6.75 dB | 1 | - | LongFast | 2026-05-19 08:40:36 UTC | Current |
| !a20a1130 (1130) |
-0.229s
Before |
-77.0 dBm | 6.75 dB | 1 | - | LongFast | 2026-05-19 08:40:35 UTC | View |
| !a20a1130 (1130) |
-0.207s
Before |
-77.0 dBm | 6.75 dB | 1 | - | LongFast | 2026-05-19 08:40:35 UTC | View |
| !a20a1130 (1130) |
-0.140s
Before |
-77.0 dBm | 6.75 dB | 1 | - | LongFast | 2026-05-19 08:40:35 UTC | View |
| !a20a1130 (1130) |
-0.103s
Before |
-77.0 dBm | 6.75 dB | 1 | - | LongFast | 2026-05-19 08:40:35 UTC | View |
| !a20a1130 (1130) |
-0.043s
Before |
-77.0 dBm | 6.75 dB | 1 | - | LongFast | 2026-05-19 08:40:36 UTC | View |
| !a20a1130 (1130) |
-0.022s
Before |
-77.0 dBm | 6.75 dB | 1 | - | LongFast | 2026-05-19 08:40:36 UTC | View |
| !a20a1130 (1130) |
+0.022s
After |
-77.0 dBm | 6.75 dB | 1 | - | LongFast | 2026-05-19 08:40:36 UTC | View |
| !a20a1130 (1130) |
+0.068s
After |
-77.0 dBm | 6.75 dB | 1 | - | LongFast | 2026-05-19 08:40:36 UTC | View |
| !a20a1130 (1130) |
+0.105s
After |
-77.0 dBm | 6.75 dB | 1 | - | LongFast | 2026-05-19 08:40:36 UTC | View |
| !a20a1130 (1130) |
+0.129s
After |
-77.0 dBm | 6.75 dB | 1 | - | LongFast | 2026-05-19 08:40:36 UTC | View |
| !a20a1130 (1130) |
+0.151s
After |
-77.0 dBm | 6.75 dB | 1 | - | MediumFast | 2026-05-19 08:40:36 UTC | View |
| !a20a1130 (1130) |
+0.184s
After |
-77.0 dBm | 6.75 dB | 1 | - | MediumFast | 2026-05-19 08:40:36 UTC | View |
| !a20a1130 (1130) |
+0.217s
After |
-77.0 dBm | 6.75 dB | 1 | - | MediumFast | 2026-05-19 08:40:36 UTC | View |
| !a20a1130 (1130) |
+0.265s
After |
-77.0 dBm | 6.75 dB | 1 | - | MediumFast | 2026-05-19 08:40:36 UTC | View |
| !a20a1130 (1130) |
+0.289s
After |
-77.0 dBm | 6.75 dB | 1 | - | MediumFast | 2026-05-19 08:40:36 UTC | View |
| !a20a1130 (1130) |
+0.326s
After |
-77.0 dBm | 6.75 dB | 1 | - | MediumFast | 2026-05-19 08:40:36 UTC | View |
| !a20a1130 (1130) |
+0.358s
After |
-77.0 dBm | 6.75 dB | 1 | - | MediumFast | 2026-05-19 08:40:36 UTC | View |
| !a20a1130 (1130) |
+0.404s
After |
-77.0 dBm | 6.75 dB | 1 | - | MediumFast | 2026-05-19 08:40:36 UTC | View |
| !a20a1130 (1130) |
+0.438s
After |
-77.0 dBm | 6.75 dB | 1 | - | MediumFast | 2026-05-19 08:40:36 UTC | View |
| !a20a1130 (1130) |
+0.517s
After |
-77.0 dBm | 6.75 dB | 1 | - | MediumFast | 2026-05-19 08:40:36 UTC | View |
| !a20a1130 (1130) |
+0.561s
After |
-77.0 dBm | 6.75 dB | 1 | - | MediumFast | 2026-05-19 08:40:36 UTC | View |
| !a20a1130 (1130) |
+0.583s
After |
-77.0 dBm | 6.75 dB | 1 | - | ShortFast | 2026-05-19 08:40:36 UTC | View |
| !a20a1130 (1130) |
+0.618s
After |
-77.0 dBm | 6.75 dB | 1 | - | ShortFast | 2026-05-19 08:40:36 UTC | View |
| !a20a1130 (1130) |
+0.679s
After |
-77.0 dBm | 6.75 dB | 1 | - | ShortFast | 2026-05-19 08:40:36 UTC | View |
| !a20a1130 (1130) |
+0.713s
After |
-77.0 dBm | 6.75 dB | 1 | - | ShortFast | 2026-05-19 08:40:36 UTC | View |
| !a20a1130 (1130) |
+0.746s
After |
-77.0 dBm | 6.75 dB | 1 | - | ShortFast | 2026-05-19 08:40:36 UTC | View |
| !a20a1130 (1130) |
+0.803s
After |
-77.0 dBm | 6.75 dB | 1 | - | ShortFast | 2026-05-19 08:40:36 UTC | View |
| !a20a1130 (1130) |
+0.839s
After |
-77.0 dBm | 6.75 dB | 1 | - | ShortFast | 2026-05-19 08:40:36 UTC | View |
| !a20a1130 (1130) |
+0.863s
After |
-77.0 dBm | 6.75 dB | 1 | - | ShortFast | 2026-05-19 08:40:36 UTC | View |
| !a20a1130 (1130) |
+0.886s
After |
-77.0 dBm | 6.75 dB | 1 | - | ShortFast | 2026-05-19 08:40:36 UTC | View |
| !a20a1130 (1130) |
+0.908s
After |
-77.0 dBm | 6.75 dB | 1 | - | ShortFast | 2026-05-19 08:40:36 UTC | View |
| !a20a1130 (1130) |
+0.929s
After |
-77.0 dBm | 6.75 dB | 1 | - | ShortFast | 2026-05-19 08:40:37 UTC | View |
| !a20a1130 (1130) |
+0.962s
After |
-77.0 dBm | 6.75 dB | 1 | - | ShortTurbo | 2026-05-19 08:40:37 UTC | View |
| !a20a1130 (1130) |
+0.984s
After |
-77.0 dBm | 6.75 dB | 1 | - | ShortTurbo | 2026-05-19 08:40:37 UTC | View |
| !a20a1130 (1130) |
+1.008s
After |
-77.0 dBm | 6.75 dB | 1 | - | ShortTurbo | 2026-05-19 08:40:37 UTC | View |
| !a20a1130 (1130) |
+1.036s
After |
-77.0 dBm | 6.75 dB | 1 | - | ShortTurbo | 2026-05-19 08:40:37 UTC | View |
| !a20a1130 (1130) |
+1.060s
After |
-77.0 dBm | 6.75 dB | 1 | - | ShortTurbo | 2026-05-19 08:40:37 UTC | View |
| !a20a1130 (1130) |
+1.095s
After |
-77.0 dBm | 6.75 dB | 1 | - | ShortTurbo | 2026-05-19 08:40:37 UTC | View |
| !a20a1130 (1130) |
+1.116s
After |
-77.0 dBm | 6.75 dB | 1 | - | ShortTurbo | 2026-05-19 08:40:37 UTC | View |
| !a20a1130 (1130) |
+1.138s
After |
-77.0 dBm | 6.75 dB | 1 | - | ShortTurbo | 2026-05-19 08:40:37 UTC | View |
| !a20a1130 (1130) |
+1.173s
After |
-77.0 dBm | 6.75 dB | 1 | - | ShortTurbo | 2026-05-19 08:40:37 UTC | View |
| !a20a1130 (1130) |
+1.196s
After |
-77.0 dBm | 6.75 dB | 1 | - | ShortTurbo | 2026-05-19 08:40:37 UTC | View |
| !a20a1130 (1130) |
+1.220s
After |
-77.0 dBm | 6.75 dB | 1 | - | ShortTurbo | 2026-05-19 08:40:37 UTC | View |
| !a20a1130 (1130) |
+1.244s
After |
-77.0 dBm | 6.75 dB | 1 | - | LongFast | 2026-05-19 08:40:37 UTC | View |
45
Total Receptions
1
Unique Gateways