Packet #18800339 Success

TELEMETRY_APP packet from Long deck (ldec) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
28
Payload Bytes
Packet Information
Database ID: 18800339
Mesh Packet ID: 0x240341e6
Used for correlation across gateways
Timestamp: 2026-03-29 18:48:43 UTC
From Node: Long deck (ldec)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: TELEMETRY_APP
Port: 67
Gateway: Short deck (sdec)
Channel: ShortTurbo
RSSI: -32 dBm
SNR: 6.5 dBm
Hop Info: 0/3 hops
Start: 3, Limit: 3
Relay Node: d0 ldec
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: 28 bytes
Decoded: Yes
Decoded Data:
Device Metrics:
Battery:27%
Voltage:3.50 V
Air Util TX:0.1%
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:!f1bcfa64
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 !f1bcfa64
Node ID format
channel_id ShortTurbo
packet MeshPacket (28 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 4053818064
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 3
Remaining hops allowed
uint32
hop_start 3
Initial hop limit
uint32
hops_taken 0
Calculated: hop_start - hop_limit
derived
rx_rssi -32.0 dBm
Signal strength at gateway
int32
rx_snr 6.50 dB
Signal quality at gateway
float
rx_time 1774810121
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 208
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774810123.4670594
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: !f1bcfa64
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -32.0 dBm
SNR: 6.50 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": 1774810119, "device_metrics": { "battery_level": 27, "voltage": 3.5, "channel_utilization": 0.0, "air_util_tx": 0.08141667, "uptime_seconds": 97790 } }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!f1bcfa64", "channel_id": "ShortTurbo", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 4053818064, "to": 4294967295, "id": 604193254, "rx_time": 1774810121, "rx_snr": 6.5, "rx_rssi": -32, "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": 208, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0d0774c9691215081b15000060401d0000000025c8bda63d28fefb05", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1774810119, "device_metrics": { "battery_level": 27, "voltage": 3.5, "channel_utilization": 0.0, "air_util_tx": 0.08141667, "uptime_seconds": 97790 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }
Raw Packet Data (28 bytes)
0d0774c9691215081b15000060401d0000000025c8bda63d28fefb05
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
Short deck (sdec) Primary 0.000s
Reference
-32.0 dBm 6.50 dB 0 d0 ldec ShortTurbo 2026-03-29 18:48:43 UTC Current
Short deck (sdec) -0.835s
Before
-32.0 dBm 6.50 dB 0 d0 ldec LongFast 2026-03-29 18:48:42 UTC View
Short deck (sdec) -0.809s
Before
-32.0 dBm 6.50 dB 0 d0 ldec LongFast 2026-03-29 18:48:42 UTC View
Short deck (sdec) -0.776s
Before
-32.0 dBm 6.50 dB 0 d0 ldec LongFast 2026-03-29 18:48:42 UTC View
Short deck (sdec) -0.755s
Before
-32.0 dBm 6.50 dB 0 d0 ldec LongFast 2026-03-29 18:48:42 UTC View
Short deck (sdec) -0.733s
Before
-32.0 dBm 6.50 dB 0 d0 ldec LongFast 2026-03-29 18:48:42 UTC View
Short deck (sdec) -0.709s
Before
-32.0 dBm 6.50 dB 0 d0 ldec LongFast 2026-03-29 18:48:42 UTC View
Short deck (sdec) -0.685s
Before
-32.0 dBm 6.50 dB 0 d0 ldec LongFast 2026-03-29 18:48:42 UTC View
Short deck (sdec) -0.662s
Before
-32.0 dBm 6.50 dB 0 d0 ldec LongFast 2026-03-29 18:48:42 UTC View
Short deck (sdec) -0.640s
Before
-32.0 dBm 6.50 dB 0 d0 ldec LongFast 2026-03-29 18:48:42 UTC View
Short deck (sdec) -0.619s
Before
-32.0 dBm 6.50 dB 0 d0 ldec LongFast 2026-03-29 18:48:42 UTC View
Short deck (sdec) -0.598s
Before
-32.0 dBm 6.50 dB 0 d0 ldec LongFast 2026-03-29 18:48:42 UTC View
Short deck (sdec) -0.576s
Before
-32.0 dBm 6.50 dB 0 d0 ldec MediumFast 2026-03-29 18:48:42 UTC View
Short deck (sdec) -0.554s
Before
-32.0 dBm 6.50 dB 0 d0 ldec MediumFast 2026-03-29 18:48:42 UTC View
Short deck (sdec) -0.529s
Before
-32.0 dBm 6.50 dB 0 d0 ldec MediumFast 2026-03-29 18:48:42 UTC View
Short deck (sdec) -0.506s
Before
-32.0 dBm 6.50 dB 0 d0 ldec MediumFast 2026-03-29 18:48:42 UTC View
Short deck (sdec) -0.483s
Before
-32.0 dBm 6.50 dB 0 d0 ldec MediumFast 2026-03-29 18:48:42 UTC View
Short deck (sdec) -0.460s
Before
-32.0 dBm 6.50 dB 0 d0 ldec MediumFast 2026-03-29 18:48:43 UTC View
Short deck (sdec) -0.439s
Before
-32.0 dBm 6.50 dB 0 d0 ldec MediumFast 2026-03-29 18:48:43 UTC View
Short deck (sdec) -0.418s
Before
-32.0 dBm 6.50 dB 0 d0 ldec MediumFast 2026-03-29 18:48:43 UTC View
Short deck (sdec) -0.396s
Before
-32.0 dBm 6.50 dB 0 d0 ldec MediumFast 2026-03-29 18:48:43 UTC View
Short deck (sdec) -0.374s
Before
-32.0 dBm 6.50 dB 0 d0 ldec MediumFast 2026-03-29 18:48:43 UTC View
Short deck (sdec) -0.349s
Before
-32.0 dBm 6.50 dB 0 d0 ldec MediumFast 2026-03-29 18:48:43 UTC View
Short deck (sdec) -0.326s
Before
-32.0 dBm 6.50 dB 0 d0 ldec ShortFast 2026-03-29 18:48:43 UTC View
Short deck (sdec) -0.302s
Before
-32.0 dBm 6.50 dB 0 d0 ldec ShortFast 2026-03-29 18:48:43 UTC View
Short deck (sdec) -0.278s
Before
-32.0 dBm 6.50 dB 0 d0 ldec ShortFast 2026-03-29 18:48:43 UTC View
Short deck (sdec) -0.256s
Before
-32.0 dBm 6.50 dB 0 d0 ldec ShortFast 2026-03-29 18:48:43 UTC View
Short deck (sdec) -0.235s
Before
-32.0 dBm 6.50 dB 0 d0 ldec ShortFast 2026-03-29 18:48:43 UTC View
Short deck (sdec) -0.215s
Before
-32.0 dBm 6.50 dB 0 d0 ldec ShortFast 2026-03-29 18:48:43 UTC View
Short deck (sdec) -0.184s
Before
-32.0 dBm 6.50 dB 0 d0 ldec ShortFast 2026-03-29 18:48:43 UTC View
Short deck (sdec) -0.160s
Before
-32.0 dBm 6.50 dB 0 d0 ldec ShortFast 2026-03-29 18:48:43 UTC View
Short deck (sdec) -0.137s
Before
-32.0 dBm 6.50 dB 0 d0 ldec ShortFast 2026-03-29 18:48:43 UTC View
Short deck (sdec) -0.113s
Before
-32.0 dBm 6.50 dB 0 d0 ldec ShortFast 2026-03-29 18:48:43 UTC View
Short deck (sdec) -0.091s
Before
-32.0 dBm 6.50 dB 0 d0 ldec ShortFast 2026-03-29 18:48:43 UTC View
Short deck (sdec) -0.070s
Before
-32.0 dBm 6.50 dB 0 d0 ldec ShortTurbo 2026-03-29 18:48:43 UTC View
Short deck (sdec) -0.043s
Before
-32.0 dBm 6.50 dB 0 d0 ldec ShortTurbo 2026-03-29 18:48:43 UTC View
Short deck (sdec) -0.022s
Before
-32.0 dBm 6.50 dB 0 d0 ldec ShortTurbo 2026-03-29 18:48:43 UTC View
Short deck (sdec) +0.026s
After
-32.0 dBm 6.50 dB 0 d0 ldec ShortTurbo 2026-03-29 18:48:43 UTC View
Short deck (sdec) +0.049s
After
-32.0 dBm 6.50 dB 0 d0 ldec ShortTurbo 2026-03-29 18:48:43 UTC View
Short deck (sdec) +0.072s
After
-32.0 dBm 6.50 dB 0 d0 ldec ShortTurbo 2026-03-29 18:48:43 UTC View
Short deck (sdec) +0.094s
After
-32.0 dBm 6.50 dB 0 d0 ldec ShortTurbo 2026-03-29 18:48:43 UTC View
Short deck (sdec) +0.116s
After
-32.0 dBm 6.50 dB 0 d0 ldec ShortTurbo 2026-03-29 18:48:43 UTC View
Short deck (sdec) +0.137s
After
-32.0 dBm 6.50 dB 0 d0 ldec ShortTurbo 2026-03-29 18:48:43 UTC View
Short deck (sdec) +0.163s
After
-32.0 dBm 6.50 dB 0 d0 ldec ShortTurbo 2026-03-29 18:48:43 UTC View
Short deck (sdec) +0.186s
After
-32.0 dBm 6.50 dB 0 d0 ldec LongFast 2026-03-29 18:48:43 UTC View
45

Total Receptions

1

Unique Gateways