Packet #40707981 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: 40707981
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: ❄ qcmesh.net 1130 (1130)
Channel: MediumFast
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 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 -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 1779180036.5179918
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: -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": "MediumFast", "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 packet
Correlation: Using Mesh Packet ID
Reception Locations
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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
-77.0 dBm 6.75 dB 1 - MediumFast 2026-05-19 08:40:36 UTC Current
❄ qcmesh.net 1130 (1130) -0.667s
Before
-77.0 dBm 6.75 dB 1 - LongFast 2026-05-19 08:40:35 UTC View
❄ qcmesh.net 1130 (1130) -0.645s
Before
-77.0 dBm 6.75 dB 1 - LongFast 2026-05-19 08:40:35 UTC View
❄ qcmesh.net 1130 (1130) -0.579s
Before
-77.0 dBm 6.75 dB 1 - LongFast 2026-05-19 08:40:35 UTC View
❄ qcmesh.net 1130 (1130) -0.542s
Before
-77.0 dBm 6.75 dB 1 - LongFast 2026-05-19 08:40:35 UTC View
❄ qcmesh.net 1130 (1130) -0.482s
Before
-77.0 dBm 6.75 dB 1 - LongFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) -0.460s
Before
-77.0 dBm 6.75 dB 1 - LongFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) -0.438s
Before
-77.0 dBm 6.75 dB 1 - LongFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) -0.417s
Before
-77.0 dBm 6.75 dB 1 - LongFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) -0.370s
Before
-77.0 dBm 6.75 dB 1 - LongFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) -0.334s
Before
-77.0 dBm 6.75 dB 1 - LongFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) -0.310s
Before
-77.0 dBm 6.75 dB 1 - LongFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) -0.287s
Before
-77.0 dBm 6.75 dB 1 - MediumFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) -0.254s
Before
-77.0 dBm 6.75 dB 1 - MediumFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) -0.221s
Before
-77.0 dBm 6.75 dB 1 - MediumFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) -0.173s
Before
-77.0 dBm 6.75 dB 1 - MediumFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) -0.149s
Before
-77.0 dBm 6.75 dB 1 - MediumFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) -0.112s
Before
-77.0 dBm 6.75 dB 1 - MediumFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) -0.080s
Before
-77.0 dBm 6.75 dB 1 - MediumFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) -0.035s
Before
-77.0 dBm 6.75 dB 1 - MediumFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) +0.079s
After
-77.0 dBm 6.75 dB 1 - MediumFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) +0.122s
After
-77.0 dBm 6.75 dB 1 - MediumFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) +0.144s
After
-77.0 dBm 6.75 dB 1 - ShortFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) +0.180s
After
-77.0 dBm 6.75 dB 1 - ShortFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) +0.240s
After
-77.0 dBm 6.75 dB 1 - ShortFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) +0.274s
After
-77.0 dBm 6.75 dB 1 - ShortFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) +0.307s
After
-77.0 dBm 6.75 dB 1 - ShortFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) +0.365s
After
-77.0 dBm 6.75 dB 1 - ShortFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) +0.401s
After
-77.0 dBm 6.75 dB 1 - ShortFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) +0.425s
After
-77.0 dBm 6.75 dB 1 - ShortFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) +0.448s
After
-77.0 dBm 6.75 dB 1 - ShortFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) +0.469s
After
-77.0 dBm 6.75 dB 1 - ShortFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) +0.490s
After
-77.0 dBm 6.75 dB 1 - ShortFast 2026-05-19 08:40:37 UTC View
❄ qcmesh.net 1130 (1130) +0.523s
After
-77.0 dBm 6.75 dB 1 - ShortTurbo 2026-05-19 08:40:37 UTC View
❄ qcmesh.net 1130 (1130) +0.546s
After
-77.0 dBm 6.75 dB 1 - ShortTurbo 2026-05-19 08:40:37 UTC View
❄ qcmesh.net 1130 (1130) +0.570s
After
-77.0 dBm 6.75 dB 1 - ShortTurbo 2026-05-19 08:40:37 UTC View
❄ qcmesh.net 1130 (1130) +0.598s
After
-77.0 dBm 6.75 dB 1 - ShortTurbo 2026-05-19 08:40:37 UTC View
❄ qcmesh.net 1130 (1130) +0.621s
After
-77.0 dBm 6.75 dB 1 - ShortTurbo 2026-05-19 08:40:37 UTC View
❄ qcmesh.net 1130 (1130) +0.657s
After
-77.0 dBm 6.75 dB 1 - ShortTurbo 2026-05-19 08:40:37 UTC View
❄ qcmesh.net 1130 (1130) +0.678s
After
-77.0 dBm 6.75 dB 1 - ShortTurbo 2026-05-19 08:40:37 UTC View
❄ qcmesh.net 1130 (1130) +0.700s
After
-77.0 dBm 6.75 dB 1 - ShortTurbo 2026-05-19 08:40:37 UTC View
❄ qcmesh.net 1130 (1130) +0.735s
After
-77.0 dBm 6.75 dB 1 - ShortTurbo 2026-05-19 08:40:37 UTC View
❄ qcmesh.net 1130 (1130) +0.758s
After
-77.0 dBm 6.75 dB 1 - ShortTurbo 2026-05-19 08:40:37 UTC View
❄ qcmesh.net 1130 (1130) +0.782s
After
-77.0 dBm 6.75 dB 1 - ShortTurbo 2026-05-19 08:40:37 UTC View
❄ qcmesh.net 1130 (1130) +0.805s
After
-77.0 dBm 6.75 dB 1 - LongFast 2026-05-19 08:40:37 UTC View
45

Total Receptions

1

Unique Gateways