Packet #40708008 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: 40708008
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: ShortFast
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:ShortFast
Payload Type:TELEMETRY_APP
Hop Count:1 / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 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 ShortFast
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 1779180036.965871
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: ShortFast
  • ✓ 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": "ShortFast", "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
!a20a1130 (1130) Primary 0.000s
Reference
-77.0 dBm 6.75 dB 1 - ShortFast 2026-05-19 08:40:36 UTC Current
!a20a1130 (1130) -1.115s
Before
-77.0 dBm 6.75 dB 1 - LongFast 2026-05-19 08:40:35 UTC View
!a20a1130 (1130) -1.093s
Before
-77.0 dBm 6.75 dB 1 - LongFast 2026-05-19 08:40:35 UTC View
!a20a1130 (1130) -1.026s
Before
-77.0 dBm 6.75 dB 1 - LongFast 2026-05-19 08:40:35 UTC View
!a20a1130 (1130) -0.989s
Before
-77.0 dBm 6.75 dB 1 - LongFast 2026-05-19 08:40:35 UTC View
!a20a1130 (1130) -0.930s
Before
-77.0 dBm 6.75 dB 1 - LongFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -0.908s
Before
-77.0 dBm 6.75 dB 1 - LongFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -0.886s
Before
-77.0 dBm 6.75 dB 1 - LongFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -0.865s
Before
-77.0 dBm 6.75 dB 1 - LongFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -0.818s
Before
-77.0 dBm 6.75 dB 1 - LongFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -0.782s
Before
-77.0 dBm 6.75 dB 1 - LongFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -0.758s
Before
-77.0 dBm 6.75 dB 1 - LongFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -0.735s
Before
-77.0 dBm 6.75 dB 1 - MediumFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -0.702s
Before
-77.0 dBm 6.75 dB 1 - MediumFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -0.669s
Before
-77.0 dBm 6.75 dB 1 - MediumFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -0.621s
Before
-77.0 dBm 6.75 dB 1 - MediumFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -0.597s
Before
-77.0 dBm 6.75 dB 1 - MediumFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -0.560s
Before
-77.0 dBm 6.75 dB 1 - MediumFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -0.528s
Before
-77.0 dBm 6.75 dB 1 - MediumFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -0.483s
Before
-77.0 dBm 6.75 dB 1 - MediumFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -0.448s
Before
-77.0 dBm 6.75 dB 1 - MediumFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -0.369s
Before
-77.0 dBm 6.75 dB 1 - MediumFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -0.325s
Before
-77.0 dBm 6.75 dB 1 - MediumFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -0.304s
Before
-77.0 dBm 6.75 dB 1 - ShortFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -0.268s
Before
-77.0 dBm 6.75 dB 1 - ShortFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -0.208s
Before
-77.0 dBm 6.75 dB 1 - ShortFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -0.173s
Before
-77.0 dBm 6.75 dB 1 - ShortFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -0.140s
Before
-77.0 dBm 6.75 dB 1 - ShortFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -0.083s
Before
-77.0 dBm 6.75 dB 1 - ShortFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -0.047s
Before
-77.0 dBm 6.75 dB 1 - ShortFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -0.023s
Before
-77.0 dBm 6.75 dB 1 - ShortFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) +0.021s
After
-77.0 dBm 6.75 dB 1 - ShortFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) +0.042s
After
-77.0 dBm 6.75 dB 1 - ShortFast 2026-05-19 08:40:37 UTC View
!a20a1130 (1130) +0.075s
After
-77.0 dBm 6.75 dB 1 - ShortTurbo 2026-05-19 08:40:37 UTC View
!a20a1130 (1130) +0.098s
After
-77.0 dBm 6.75 dB 1 - ShortTurbo 2026-05-19 08:40:37 UTC View
!a20a1130 (1130) +0.122s
After
-77.0 dBm 6.75 dB 1 - ShortTurbo 2026-05-19 08:40:37 UTC View
!a20a1130 (1130) +0.150s
After
-77.0 dBm 6.75 dB 1 - ShortTurbo 2026-05-19 08:40:37 UTC View
!a20a1130 (1130) +0.174s
After
-77.0 dBm 6.75 dB 1 - ShortTurbo 2026-05-19 08:40:37 UTC View
!a20a1130 (1130) +0.209s
After
-77.0 dBm 6.75 dB 1 - ShortTurbo 2026-05-19 08:40:37 UTC View
!a20a1130 (1130) +0.230s
After
-77.0 dBm 6.75 dB 1 - ShortTurbo 2026-05-19 08:40:37 UTC View
!a20a1130 (1130) +0.252s
After
-77.0 dBm 6.75 dB 1 - ShortTurbo 2026-05-19 08:40:37 UTC View
!a20a1130 (1130) +0.287s
After
-77.0 dBm 6.75 dB 1 - ShortTurbo 2026-05-19 08:40:37 UTC View
!a20a1130 (1130) +0.310s
After
-77.0 dBm 6.75 dB 1 - ShortTurbo 2026-05-19 08:40:37 UTC View
!a20a1130 (1130) +0.334s
After
-77.0 dBm 6.75 dB 1 - ShortTurbo 2026-05-19 08:40:37 UTC View
!a20a1130 (1130) +0.358s
After
-77.0 dBm 6.75 dB 1 - LongFast 2026-05-19 08:40:37 UTC View
45

Total Receptions

1

Unique Gateways