Packet #39450875 Success

TELEMETRY_APP packet from jsfcf6 (fcf6) to !ffffffff

46
Total Receptions
2
Unique Gateways
3
Hop Count
29
Payload Bytes
Packet Information
Database ID: 39450875
Mesh Packet ID: 0x7da76a81
Used for correlation across gateways
Timestamp: 2026-05-16 05:33:38 UTC
From Node: jsfcf6 (fcf6)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: TELEMETRY_APP
Port: 67
Gateway: Mechanicus Alpha (M1)
Channel: LongFast
RSSI: -119 dBm
SNR: -9.25 dBm
Hop Info: 3/5 hops
Start: 5, Limit: 2
Relay Node: ce
Last byte of the last hop that relayed this packet
Payload Data
Protocol: TELEMETRY_APP
Size: 29 bytes
Decoded: Yes
Decoded Data:
Device Metrics:
Battery:101%
Voltage:4.22 V
Channel Usage:6.1%
Air Util TX:2.0%
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:!433e868c
Channel:LongFast
Payload Type:TELEMETRY_APP
Hop Count:3 / 5
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 3 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !433e868c
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (29 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 591068406
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 2
Remaining hops allowed
uint32
hop_start 5
Initial hop limit
uint32
hops_taken 3
Calculated: hop_start - hop_limit
derived
rx_rssi -119.0 dBm
Signal strength at gateway
int32
rx_snr -9.25 dB
Signal quality at gateway
float
rx_time 1778909617
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 206
Relay node ID
uint32
tx_after Not set uint32
timestamp 1778909618.8797288
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)
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (3 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !433e868c
Signal Metrics: RSSI: -119.0 dBm
SNR: -9.25 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": 1779010509, "device_metrics": { "battery_level": 101, "voltage": 4.217, "channel_utilization": 6.136667, "air_util_tx": 2.0031111, "uptime_seconds": 10417689 } }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!433e868c", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 591068406, "to": 4294967295, "id": 2108123777, "rx_time": 1778909617, "rx_snr": -9.25, "rx_rssi": -119, "hop_limit": 2, "hop_start": 5, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 206, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0dcd8b096a1216086515aaf186401d935fc44025f93200402899ecfb04", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1779010509, "device_metrics": { "battery_level": 101, "voltage": 4.217, "channel_utilization": 6.136667, "air_util_tx": 2.0031111, "uptime_seconds": 10417689 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }
Raw Packet Data (29 bytes)
0dcd8b096a1216086515aaf186401d935fc44025f93200402899ecfb04
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
Mechanicus Alpha (M1) Primary 0.000s
Reference
-119.0 dBm -9.25 dB 3 ce LongFast 2026-05-16 05:33:38 UTC Current
Mechanicus Alpha (M1) -0.133s
Before
-119.0 dBm -9.25 dB 3 ce LongFast 2026-05-16 05:33:38 UTC View
Mechanicus Alpha (M1) -0.112s
Before
-119.0 dBm -9.25 dB 3 ce LongFast 2026-05-16 05:33:38 UTC View
Mechanicus Alpha (M1) -0.089s
Before
-119.0 dBm -9.25 dB 3 ce LongFast 2026-05-16 05:33:38 UTC View
Mechanicus Alpha (M1) -0.065s
Before
-119.0 dBm -9.25 dB 3 ce LongFast 2026-05-16 05:33:38 UTC View
Mechanicus Alpha (M1) -0.042s
Before
-119.0 dBm -9.25 dB 3 ce LongFast 2026-05-16 05:33:38 UTC View
Mechanicus Alpha (M1) -0.020s
Before
-119.0 dBm -9.25 dB 3 ce LongFast 2026-05-16 05:33:38 UTC View
Mechanicus Alpha (M1) +0.021s
After
-119.0 dBm -9.25 dB 3 ce LongFast 2026-05-16 05:33:38 UTC View
Mechanicus Alpha (M1) +0.046s
After
-119.0 dBm -9.25 dB 3 ce LongFast 2026-05-16 05:33:38 UTC View
Mechanicus Alpha (M1) +0.068s
After
-119.0 dBm -9.25 dB 3 ce LongFast 2026-05-16 05:33:38 UTC View
Mechanicus Alpha (M1) +0.092s
After
-119.0 dBm -9.25 dB 3 ce LongFast 2026-05-16 05:33:38 UTC View
Mechanicus Alpha (M1) +0.115s
After
-119.0 dBm -9.25 dB 3 ce MediumFast 2026-05-16 05:33:38 UTC View
Mechanicus Alpha (M1) +0.138s
After
-119.0 dBm -9.25 dB 3 ce MediumFast 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.161s
After
-119.0 dBm -9.25 dB 3 ce MediumFast 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.181s
After
-119.0 dBm -9.25 dB 3 ce MediumFast 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.202s
After
-119.0 dBm -9.25 dB 3 ce MediumFast 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.223s
After
-119.0 dBm -9.25 dB 3 ce MediumFast 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.245s
After
-119.0 dBm -9.25 dB 3 ce MediumFast 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.268s
After
-119.0 dBm -9.25 dB 3 ce MediumFast 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.291s
After
-119.0 dBm -9.25 dB 3 ce MediumFast 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.314s
After
-119.0 dBm -9.25 dB 3 ce MediumFast 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.336s
After
-119.0 dBm -9.25 dB 3 ce MediumFast 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.357s
After
-119.0 dBm -9.25 dB 3 ce ShortFast 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.378s
After
-119.0 dBm -9.25 dB 3 ce ShortFast 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.399s
After
-119.0 dBm -9.25 dB 3 ce ShortFast 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.421s
After
-119.0 dBm -9.25 dB 3 ce ShortFast 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.445s
After
-119.0 dBm -9.25 dB 3 ce ShortFast 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.468s
After
-119.0 dBm -9.25 dB 3 ce ShortFast 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.498s
After
-119.0 dBm -9.25 dB 3 ce ShortFast 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.520s
After
-119.0 dBm -9.25 dB 3 ce ShortFast 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.541s
After
-119.0 dBm -9.25 dB 3 ce ShortFast 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.564s
After
-119.0 dBm -9.25 dB 3 ce ShortFast 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.585s
After
-119.0 dBm -9.25 dB 3 ce ShortFast 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.607s
After
-119.0 dBm -9.25 dB 3 ce ShortTurbo 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.630s
After
-119.0 dBm -9.25 dB 3 ce ShortTurbo 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.658s
After
-119.0 dBm -9.25 dB 3 ce ShortTurbo 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.679s
After
-119.0 dBm -9.25 dB 3 ce ShortTurbo 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.702s
After
-119.0 dBm -9.25 dB 3 ce ShortTurbo 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.724s
After
-119.0 dBm -9.25 dB 3 ce ShortTurbo 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.745s
After
-119.0 dBm -9.25 dB 3 ce ShortTurbo 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.767s
After
-119.0 dBm -9.25 dB 3 ce ShortTurbo 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.790s
After
-119.0 dBm -9.25 dB 3 ce ShortTurbo 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.813s
After
-119.0 dBm -9.25 dB 3 ce ShortTurbo 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.836s
After
-119.0 dBm -9.25 dB 3 ce ShortTurbo 2026-05-16 05:33:39 UTC View
Mechanicus Alpha (M1) +0.857s
After
-119.0 dBm -9.25 dB 3 ce LongFast 2026-05-16 05:33:39 UTC View
lidman2 (lid2) +0.878s
After
-128.0 dBm -19.25 dB 3 ce LongFast 2026-05-16 05:33:39 UTC View
46

Total Receptions

2

Unique Gateways