Packet #39181876 Success

TELEMETRY_APP packet from NJF Base 🛰 (🛰) to !ffffffff

46
Total Receptions
2
Unique Gateways
0
Hop Count
28
Payload Bytes
Packet Information
Database ID: 39181876
Mesh Packet ID: 0x1d3dd3a1
Used for correlation across gateways
Timestamp: 2026-05-15 13:39:06 UTC
From Node: NJF Base 🛰 (🛰)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: TELEMETRY_APP
Port: 67
Gateway: Mechanicus Cadia (M3)
Channel: MediumFast
RSSI: -115 dBm
SNR: -3.5 dBm
Hop Info: 0/3 hops
Start: 3, Limit: 3
Relay Node: f2 🛰
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:93%
Voltage:4.10 V
Channel Usage:21.6%
Air Util TX:6.1%
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:!4359649c
Channel:MediumFast
Payload Type:TELEMETRY_APP
Hop Count:Unknown / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 2 more...
Exposure Risks:
âš  Visible to all nodes on channel
âš  Packet visible to MQTT subscribers
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !4359649c
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 3559411698
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 -115.0 dBm
Signal strength at gateway
int32
rx_snr -3.50 dB
Signal quality at gateway
float
rx_time 1778852345
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 242
Relay node ID
uint32
tx_after Not set uint32
timestamp 1778852346.7967947
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
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • âš  Visible to all nodes on channel
  • âš  Packet visible to MQTT subscribers
  • âš  RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !4359649c
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -115.0 dBm
SNR: -3.50 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": 1778852341, "device_metrics": { "battery_level": 93, "voltage": 4.102, "channel_utilization": 21.65, "air_util_tx": 6.1370277, "uptime_seconds": 27849 } }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!4359649c", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3559411698, "to": 4294967295, "id": 490591137, "rx_time": 1778852345, "rx_snr": -3.5, "rx_rssi": -115, "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": 242, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0df521076a1215085d15964383401d3333ad41258862c44028c9d901", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1778852341, "device_metrics": { "battery_level": 93, "voltage": 4.102, "channel_utilization": 21.65, "air_util_tx": 6.1370277, "uptime_seconds": 27849 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }
Raw Packet Data (28 bytes)
0df521076a1215085d15964383401d3333ad41258862c44028c9d901
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
Mechanicus Cadia (M3) Primary 0.000s
Reference
-115.0 dBm -3.50 dB 0 f2 🛰 MediumFast 2026-05-15 13:39:06 UTC Current
Mechanicus Cadia (M3) -0.417s
Before
-115.0 dBm -3.50 dB 0 f2 🛰 LongFast 2026-05-15 13:39:06 UTC View
Mechanicus Cadia (M3) -0.385s
Before
-115.0 dBm -3.50 dB 0 f2 🛰 LongFast 2026-05-15 13:39:06 UTC View
Mechanicus Cadia (M3) -0.353s
Before
-115.0 dBm -3.50 dB 0 f2 🛰 LongFast 2026-05-15 13:39:06 UTC View
Mechanicus Cadia (M3) -0.321s
Before
-115.0 dBm -3.50 dB 0 f2 🛰 LongFast 2026-05-15 13:39:06 UTC View
Mechanicus Cadia (M3) -0.298s
Before
-115.0 dBm -3.50 dB 0 f2 🛰 LongFast 2026-05-15 13:39:06 UTC View
Mechanicus Cadia (M3) -0.274s
Before
-115.0 dBm -3.50 dB 0 f2 🛰 LongFast 2026-05-15 13:39:06 UTC View
Mechanicus Cadia (M3) -0.251s
Before
-115.0 dBm -3.50 dB 0 f2 🛰 LongFast 2026-05-15 13:39:06 UTC View
Mechanicus Cadia (M3) -0.228s
Before
-115.0 dBm -3.50 dB 0 f2 🛰 LongFast 2026-05-15 13:39:06 UTC View
Mechanicus Cadia (M3) -0.206s
Before
-115.0 dBm -3.50 dB 0 f2 🛰 LongFast 2026-05-15 13:39:06 UTC View
Mechanicus Cadia (M3) -0.185s
Before
-115.0 dBm -3.50 dB 0 f2 🛰 LongFast 2026-05-15 13:39:06 UTC View
Mechanicus Alpha (M1) -0.163s
Before
-119.0 dBm -14.75 dB 0 f2 🛰 LongFast 2026-05-15 13:39:06 UTC View
Mechanicus Cadia (M3) -0.142s
Before
-115.0 dBm -3.50 dB 0 f2 🛰 LongFast 2026-05-15 13:39:06 UTC View
Mechanicus Cadia (M3) -0.112s
Before
-115.0 dBm -3.50 dB 0 f2 🛰 MediumFast 2026-05-15 13:39:06 UTC View
Mechanicus Cadia (M3) -0.087s
Before
-115.0 dBm -3.50 dB 0 f2 🛰 MediumFast 2026-05-15 13:39:06 UTC View
Mechanicus Cadia (M3) -0.064s
Before
-115.0 dBm -3.50 dB 0 f2 🛰 MediumFast 2026-05-15 13:39:06 UTC View
Mechanicus Cadia (M3) -0.041s
Before
-115.0 dBm -3.50 dB 0 f2 🛰 MediumFast 2026-05-15 13:39:06 UTC View
Mechanicus Cadia (M3) -0.021s
Before
-115.0 dBm -3.50 dB 0 f2 🛰 MediumFast 2026-05-15 13:39:06 UTC View
Mechanicus Cadia (M3) +0.021s
After
-115.0 dBm -3.50 dB 0 f2 🛰 MediumFast 2026-05-15 13:39:06 UTC View
Mechanicus Cadia (M3) +0.042s
After
-115.0 dBm -3.50 dB 0 f2 🛰 MediumFast 2026-05-15 13:39:06 UTC View
Mechanicus Cadia (M3) +0.065s
After
-115.0 dBm -3.50 dB 0 f2 🛰 MediumFast 2026-05-15 13:39:06 UTC View
Mechanicus Cadia (M3) +0.089s
After
-115.0 dBm -3.50 dB 0 f2 🛰 MediumFast 2026-05-15 13:39:06 UTC View
Mechanicus Cadia (M3) +0.112s
After
-115.0 dBm -3.50 dB 0 f2 🛰 MediumFast 2026-05-15 13:39:06 UTC View
Mechanicus Cadia (M3) +0.135s
After
-115.0 dBm -3.50 dB 0 f2 🛰 ShortFast 2026-05-15 13:39:06 UTC View
Mechanicus Cadia (M3) +0.156s
After
-115.0 dBm -3.50 dB 0 f2 🛰 ShortFast 2026-05-15 13:39:06 UTC View
Mechanicus Cadia (M3) +0.177s
After
-115.0 dBm -3.50 dB 0 f2 🛰 ShortFast 2026-05-15 13:39:06 UTC View
Mechanicus Cadia (M3) +0.198s
After
-115.0 dBm -3.50 dB 0 f2 🛰 ShortFast 2026-05-15 13:39:06 UTC View
Mechanicus Cadia (M3) +0.218s
After
-115.0 dBm -3.50 dB 0 f2 🛰 ShortFast 2026-05-15 13:39:07 UTC View
Mechanicus Cadia (M3) +0.242s
After
-115.0 dBm -3.50 dB 0 f2 🛰 ShortFast 2026-05-15 13:39:07 UTC View
Mechanicus Cadia (M3) +0.265s
After
-115.0 dBm -3.50 dB 0 f2 🛰 ShortFast 2026-05-15 13:39:07 UTC View
Mechanicus Cadia (M3) +0.288s
After
-115.0 dBm -3.50 dB 0 f2 🛰 ShortFast 2026-05-15 13:39:07 UTC View
Mechanicus Cadia (M3) +0.312s
After
-115.0 dBm -3.50 dB 0 f2 🛰 ShortFast 2026-05-15 13:39:07 UTC View
Mechanicus Cadia (M3) +0.333s
After
-115.0 dBm -3.50 dB 0 f2 🛰 ShortFast 2026-05-15 13:39:07 UTC View
Mechanicus Cadia (M3) +0.354s
After
-115.0 dBm -3.50 dB 0 f2 🛰 ShortFast 2026-05-15 13:39:07 UTC View
Mechanicus Cadia (M3) +0.375s
After
-115.0 dBm -3.50 dB 0 f2 🛰 ShortTurbo 2026-05-15 13:39:07 UTC View
Mechanicus Cadia (M3) +0.396s
After
-115.0 dBm -3.50 dB 0 f2 🛰 ShortTurbo 2026-05-15 13:39:07 UTC View
Mechanicus Cadia (M3) +0.420s
After
-115.0 dBm -3.50 dB 0 f2 🛰 ShortTurbo 2026-05-15 13:39:07 UTC View
Mechanicus Cadia (M3) +0.444s
After
-115.0 dBm -3.50 dB 0 f2 🛰 ShortTurbo 2026-05-15 13:39:07 UTC View
Mechanicus Cadia (M3) +0.467s
After
-115.0 dBm -3.50 dB 0 f2 🛰 ShortTurbo 2026-05-15 13:39:07 UTC View
Mechanicus Cadia (M3) +0.490s
After
-115.0 dBm -3.50 dB 0 f2 🛰 ShortTurbo 2026-05-15 13:39:07 UTC View
Mechanicus Cadia (M3) +0.511s
After
-115.0 dBm -3.50 dB 0 f2 🛰 ShortTurbo 2026-05-15 13:39:07 UTC View
Mechanicus Cadia (M3) +0.532s
After
-115.0 dBm -3.50 dB 0 f2 🛰 ShortTurbo 2026-05-15 13:39:07 UTC View
Mechanicus Cadia (M3) +0.553s
After
-115.0 dBm -3.50 dB 0 f2 🛰 ShortTurbo 2026-05-15 13:39:07 UTC View
Mechanicus Cadia (M3) +0.574s
After
-115.0 dBm -3.50 dB 0 f2 🛰 ShortTurbo 2026-05-15 13:39:07 UTC View
Mechanicus Cadia (M3) +0.598s
After
-115.0 dBm -3.50 dB 0 f2 🛰 ShortTurbo 2026-05-15 13:39:07 UTC View
Mechanicus Cadia (M3) +0.622s
After
-115.0 dBm -3.50 dB 0 f2 🛰 LongFast 2026-05-15 13:39:07 UTC View
46

Total Receptions

2

Unique Gateways