Packet #40723313 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: 40723313
Mesh Packet ID: 0x409cb696
Used for correlation across gateways
Timestamp: 2026-05-19 09:22:44 UTC
From Node: VE2DID a540 (2DID)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: TELEMETRY_APP
Port: 67
Gateway: ❄ qcmesh.net 1130 (1130)
Channel: MediumFast
RSSI: -78 dBm
SNR: -7.75 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:7.3%
Air Util TX:0.7%
Raw Packet Analysis
Complete field breakdown and MQTT privacy/exposure analysis
Packet Structure
MQTT Packet Flow:
ServiceEnvelope (MQTT layer) → MeshPacket (Mesh layer) → Decoded Payload (Application data)
Total Size:28 bytes
Gateway:!a20a1130
Channel:MediumFast
Payload Type:TELEMETRY_APP
Hop Count:1 / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ 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...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !a20a1130
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

FieldValueType
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 -78.0 dBm
Signal strength at gateway
int32
rx_snr -7.75 dB
Signal quality at gateway
float
rx_time 1779182564
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 1779182564.8024538
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 (1 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !a20a1130
Signal Metrics: RSSI: -78.0 dBm
SNR: -7.75 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": 1779182546, "device_metrics": { "battery_level": 101, "voltage": 4.304, "channel_utilization": 7.2733335, "air_util_tx": 0.70500004, "uptime_seconds": 159859 } }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!a20a1130", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1770366272, "to": 4294967295, "id": 1084012182, "rx_time": 1779182564, "rx_snr": -7.75, "rx_rssi": -78, "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": "0dd22b0c6a12150865155eba89401d26bfe84025e27a343f28f3e009", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1779182546, "device_metrics": { "battery_level": 101, "voltage": 4.304, "channel_utilization": 7.2733335, "air_util_tx": 0.70500004, "uptime_seconds": 159859 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }
Raw Packet Data (28 bytes)
0dd22b0c6a12150865155eba89401d26bfe84025e27a343f28f3e009
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 packet
Correlation: 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
❄ qcmesh.net 1130 (1130) Primary 0.000s
Reference
-78.0 dBm -7.75 dB 1 - MediumFast 2026-05-19 09:22:44 UTC Current
❄ qcmesh.net 1130 (1130) -0.307s
Before
-78.0 dBm -7.75 dB 1 - LongFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.283s
Before
-78.0 dBm -7.75 dB 1 - LongFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.259s
Before
-78.0 dBm -7.75 dB 1 - LongFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.235s
Before
-78.0 dBm -7.75 dB 1 - LongFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.212s
Before
-78.0 dBm -7.75 dB 1 - LongFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.189s
Before
-78.0 dBm -7.75 dB 1 - LongFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.166s
Before
-78.0 dBm -7.75 dB 1 - LongFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.144s
Before
-78.0 dBm -7.75 dB 1 - LongFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.119s
Before
-78.0 dBm -7.75 dB 1 - LongFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.094s
Before
-78.0 dBm -7.75 dB 1 - LongFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.069s
Before
-78.0 dBm -7.75 dB 1 - LongFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.045s
Before
-78.0 dBm -7.75 dB 1 - MediumFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.023s
Before
-78.0 dBm -7.75 dB 1 - MediumFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) +0.022s
After
-78.0 dBm -7.75 dB 1 - MediumFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) +0.045s
After
-78.0 dBm -7.75 dB 1 - MediumFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) +0.071s
After
-78.0 dBm -7.75 dB 1 - MediumFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) +0.097s
After
-78.0 dBm -7.75 dB 1 - MediumFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) +0.120s
After
-78.0 dBm -7.75 dB 1 - MediumFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) +0.144s
After
-78.0 dBm -7.75 dB 1 - MediumFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) +0.167s
After
-78.0 dBm -7.75 dB 1 - MediumFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) +0.189s
After
-78.0 dBm -7.75 dB 1 - MediumFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) +0.211s
After
-78.0 dBm -7.75 dB 1 - ShortFast 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) +0.232s
After
-78.0 dBm -7.75 dB 1 - ShortFast 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) +0.257s
After
-78.0 dBm -7.75 dB 1 - ShortFast 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) +0.282s
After
-78.0 dBm -7.75 dB 1 - ShortFast 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) +0.307s
After
-78.0 dBm -7.75 dB 1 - ShortFast 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) +0.331s
After
-78.0 dBm -7.75 dB 1 - ShortFast 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) +0.353s
After
-78.0 dBm -7.75 dB 1 - ShortFast 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) +0.376s
After
-78.0 dBm -7.75 dB 1 - ShortFast 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) +0.398s
After
-78.0 dBm -7.75 dB 1 - ShortFast 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) +0.420s
After
-78.0 dBm -7.75 dB 1 - ShortFast 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) +0.445s
After
-78.0 dBm -7.75 dB 1 - ShortFast 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) +0.471s
After
-78.0 dBm -7.75 dB 1 - ShortTurbo 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) +0.495s
After
-78.0 dBm -7.75 dB 1 - ShortTurbo 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) +0.526s
After
-78.0 dBm -7.75 dB 1 - ShortTurbo 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) +0.548s
After
-78.0 dBm -7.75 dB 1 - ShortTurbo 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) +0.571s
After
-78.0 dBm -7.75 dB 1 - ShortTurbo 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) +0.594s
After
-78.0 dBm -7.75 dB 1 - ShortTurbo 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) +0.617s
After
-78.0 dBm -7.75 dB 1 - ShortTurbo 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) +0.642s
After
-78.0 dBm -7.75 dB 1 - ShortTurbo 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) +0.667s
After
-78.0 dBm -7.75 dB 1 - ShortTurbo 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) +0.691s
After
-78.0 dBm -7.75 dB 1 - ShortTurbo 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) +0.716s
After
-78.0 dBm -7.75 dB 1 - ShortTurbo 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) +0.738s
After
-78.0 dBm -7.75 dB 1 - LongFast 2026-05-19 09:22:45 UTC View
45

Total Receptions

1

Unique Gateways