Packet #39486831 Success

TELEMETRY_APP packet from dcn1 medfast (dcmf) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
29
Payload Bytes
Packet Information
Database ID: 39486831
Mesh Packet ID: 0x6447831e
Used for correlation across gateways
Timestamp: 2026-05-16 07:39:00 UTC
From Node: dcn1 medfast (dcmf)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: TELEMETRY_APP
Port: 67
Gateway: DCmesh (mshd)
Channel: ShortTurbo
RSSI: -35 dBm
SNR: 11.75 dBm
Hop Info: 0/3 hops
Start: 3, Limit: 3
Relay Node: e5 dcmf
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: 29 bytes
Decoded: Yes
Decoded Data:
Device Metrics:
Battery:101%
Voltage:4.19 V
Channel Usage:3.3%
Air Util TX:0.6%
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:29 bytes
Gateway:!da627be0
Channel:ShortTurbo
Payload Type:TELEMETRY_APP
Hop Count:Unknown / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortTurbo
+ 2 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !da627be0
Node ID format
channel_id ShortTurbo
packet MeshPacket (29 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1474778853
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 67
TELEMETRY_APP
enum
decoded.payload_length 29 bytes size
hop_limit 3
Remaining hops allowed
uint32
hop_start 3
Initial hop limit
uint32
hops_taken 0
Calculated: hop_start - hop_limit
derived
rx_rssi -35.0 dBm
Signal strength at gateway
int32
rx_snr 11.75 dB
Signal quality at gateway
float
rx_time 1778917137
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 229
Relay node ID
uint32
tx_after Not set uint32
timestamp 1778917140.5419424
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: ShortTurbo
  • ✓ 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: !da627be0
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -35.0 dBm
SNR: 11.75 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:TELEMETRY_APP
Size:29 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "time": 1778917147, "device_metrics": { "battery_level": 101, "voltage": 4.193, "channel_utilization": 3.2833333, "air_util_tx": 0.5882222, "uptime_seconds": 2691516 } }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!da627be0", "channel_id": "ShortTurbo", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1474778853, "to": 4294967295, "id": 1682408222, "rx_time": 1778917137, "rx_snr": 11.75, "rx_rssi": -35, "hop_limit": 3, "hop_start": 3, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 229, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0d1b1f086a12160865150e2d86401d2222524025bb95163f28bca3a401", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1778917147, "device_metrics": { "battery_level": 101, "voltage": 4.193, "channel_utilization": 3.2833333, "air_util_tx": 0.5882222, "uptime_seconds": 2691516 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }
Raw Packet Data (29 bytes)
0d1b1f086a12160865150e2d86401d2222524025bb95163f28bca3a401
Hex Analysis:
Size:29 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
DCmesh (mshd) Primary 0.000s
Reference
-35.0 dBm 11.75 dB 0 e5 dcmf ShortTurbo 2026-05-16 07:39:00 UTC Current
DCmesh (mshd) -0.851s
Before
-35.0 dBm 11.75 dB 0 e5 dcmf MediumFast 2026-05-16 07:38:59 UTC View
DCmesh (mshd) -0.818s
Before
-35.0 dBm 11.75 dB 0 e5 dcmf LongFast 2026-05-16 07:38:59 UTC View
DCmesh (mshd) -0.797s
Before
-35.0 dBm 11.75 dB 0 e5 dcmf LongFast 2026-05-16 07:38:59 UTC View
DCmesh (mshd) -0.776s
Before
-35.0 dBm 11.75 dB 0 e5 dcmf LongFast 2026-05-16 07:38:59 UTC View
DCmesh (mshd) -0.755s
Before
-35.0 dBm 11.75 dB 0 e5 dcmf LongFast 2026-05-16 07:38:59 UTC View
DCmesh (mshd) -0.734s
Before
-35.0 dBm 11.75 dB 0 e5 dcmf LongFast 2026-05-16 07:38:59 UTC View
DCmesh (mshd) -0.711s
Before
-35.0 dBm 11.75 dB 0 e5 dcmf LongFast 2026-05-16 07:38:59 UTC View
DCmesh (mshd) -0.676s
Before
-35.0 dBm 11.75 dB 0 e5 dcmf LongFast 2026-05-16 07:38:59 UTC View
DCmesh (mshd) -0.652s
Before
-35.0 dBm 11.75 dB 0 e5 dcmf LongFast 2026-05-16 07:38:59 UTC View
DCmesh (mshd) -0.630s
Before
-35.0 dBm 11.75 dB 0 e5 dcmf LongFast 2026-05-16 07:38:59 UTC View
DCmesh (mshd) -0.609s
Before
-35.0 dBm 11.75 dB 0 e5 dcmf LongFast 2026-05-16 07:38:59 UTC View
DCmesh (mshd) -0.587s
Before
-35.0 dBm 11.75 dB 0 e5 dcmf LongFast 2026-05-16 07:38:59 UTC View
DCmesh (mshd) -0.566s
Before
-35.0 dBm 11.75 dB 0 e5 dcmf MediumFast 2026-05-16 07:38:59 UTC View
DCmesh (mshd) -0.544s
Before
-35.0 dBm 11.75 dB 0 e5 dcmf MediumFast 2026-05-16 07:38:59 UTC View
DCmesh (mshd) -0.509s
Before
-35.0 dBm 11.75 dB 0 e5 dcmf MediumFast 2026-05-16 07:39:00 UTC View
DCmesh (mshd) -0.486s
Before
-35.0 dBm 11.75 dB 0 e5 dcmf MediumFast 2026-05-16 07:39:00 UTC View
DCmesh (mshd) -0.462s
Before
-35.0 dBm 11.75 dB 0 e5 dcmf MediumFast 2026-05-16 07:39:00 UTC View
DCmesh (mshd) -0.440s
Before
-35.0 dBm 11.75 dB 0 e5 dcmf MediumFast 2026-05-16 07:39:00 UTC View
DCmesh (mshd) -0.419s
Before
-35.0 dBm 11.75 dB 0 e5 dcmf MediumFast 2026-05-16 07:39:00 UTC View
DCmesh (mshd) -0.398s
Before
-35.0 dBm 11.75 dB 0 e5 dcmf MediumFast 2026-05-16 07:39:00 UTC View
DCmesh (mshd) -0.376s
Before
-35.0 dBm 11.75 dB 0 e5 dcmf MediumFast 2026-05-16 07:39:00 UTC View
DCmesh (mshd) -0.354s
Before
-35.0 dBm 11.75 dB 0 e5 dcmf MediumFast 2026-05-16 07:39:00 UTC View
DCmesh (mshd) -0.330s
Before
-35.0 dBm 11.75 dB 0 e5 dcmf ShortFast 2026-05-16 07:39:00 UTC View
DCmesh (mshd) -0.307s
Before
-35.0 dBm 11.75 dB 0 e5 dcmf ShortFast 2026-05-16 07:39:00 UTC View
DCmesh (mshd) -0.284s
Before
-35.0 dBm 11.75 dB 0 e5 dcmf ShortFast 2026-05-16 07:39:00 UTC View
DCmesh (mshd) -0.262s
Before
-35.0 dBm 11.75 dB 0 e5 dcmf ShortFast 2026-05-16 07:39:00 UTC View
DCmesh (mshd) -0.241s
Before
-35.0 dBm 11.75 dB 0 e5 dcmf ShortFast 2026-05-16 07:39:00 UTC View
DCmesh (mshd) -0.220s
Before
-35.0 dBm 11.75 dB 0 e5 dcmf ShortFast 2026-05-16 07:39:00 UTC View
DCmesh (mshd) -0.199s
Before
-35.0 dBm 11.75 dB 0 e5 dcmf ShortFast 2026-05-16 07:39:00 UTC View
DCmesh (mshd) -0.177s
Before
-35.0 dBm 11.75 dB 0 e5 dcmf ShortFast 2026-05-16 07:39:00 UTC View
DCmesh (mshd) -0.153s
Before
-35.0 dBm 11.75 dB 0 e5 dcmf ShortFast 2026-05-16 07:39:00 UTC View
DCmesh (mshd) -0.130s
Before
-35.0 dBm 11.75 dB 0 e5 dcmf ShortFast 2026-05-16 07:39:00 UTC View
DCmesh (mshd) -0.107s
Before
-35.0 dBm 11.75 dB 0 e5 dcmf ShortFast 2026-05-16 07:39:00 UTC View
DCmesh (mshd) -0.085s
Before
-35.0 dBm 11.75 dB 0 e5 dcmf ShortTurbo 2026-05-16 07:39:00 UTC View
DCmesh (mshd) -0.064s
Before
-35.0 dBm 11.75 dB 0 e5 dcmf ShortTurbo 2026-05-16 07:39:00 UTC View
DCmesh (mshd) -0.043s
Before
-35.0 dBm 11.75 dB 0 e5 dcmf ShortTurbo 2026-05-16 07:39:00 UTC View
DCmesh (mshd) -0.022s
Before
-35.0 dBm 11.75 dB 0 e5 dcmf ShortTurbo 2026-05-16 07:39:00 UTC View
DCmesh (mshd) +0.024s
After
-35.0 dBm 11.75 dB 0 e5 dcmf ShortTurbo 2026-05-16 07:39:00 UTC View
DCmesh (mshd) +0.047s
After
-35.0 dBm 11.75 dB 0 e5 dcmf ShortTurbo 2026-05-16 07:39:00 UTC View
DCmesh (mshd) +0.070s
After
-35.0 dBm 11.75 dB 0 e5 dcmf ShortTurbo 2026-05-16 07:39:00 UTC View
DCmesh (mshd) +0.091s
After
-35.0 dBm 11.75 dB 0 e5 dcmf ShortTurbo 2026-05-16 07:39:00 UTC View
DCmesh (mshd) +0.112s
After
-35.0 dBm 11.75 dB 0 e5 dcmf ShortTurbo 2026-05-16 07:39:00 UTC View
DCmesh (mshd) +0.133s
After
-35.0 dBm 11.75 dB 0 e5 dcmf ShortTurbo 2026-05-16 07:39:00 UTC View
DCmesh (mshd) +0.154s
After
-35.0 dBm 11.75 dB 0 e5 dcmf LongFast 2026-05-16 07:39:00 UTC View
45

Total Receptions

1

Unique Gateways