Packet #17800554 Success

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

47
Total Receptions
3
Unique Gateways
0
Hop Count
29
Payload Bytes
Packet Information
Database ID: 17800554
Mesh Packet ID: 0xccabd5fe
Used for correlation across gateways
Timestamp: 2026-03-27 09:53:35 UTC
From Node: Meshtastic NJF Base 🛰 (🛰)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: TELEMETRY_APP
Port: 67
Gateway: Mechanicus Dominus (M4)
Channel: MediumFast
RSSI: -91 dBm
SNR: -4.75 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: 29 bytes
Decoded: Yes
Decoded Data:
Device Metrics:
Battery:89%
Voltage:4.04 V
Channel Usage:13.2%
Air Util TX:2.9%
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:!6984d8b8
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 !6984d8b8
Node ID format
channel_id MediumFast
packet MeshPacket (29 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 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 -91.0 dBm
Signal strength at gateway
int32
rx_snr -4.75 dB
Signal quality at gateway
float
rx_time 1774605213
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 1774605215.3016818
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: !6984d8b8
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -91.0 dBm
SNR: -4.75 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": 1774605201, "device_metrics": { "battery_level": 89, "voltage": 4.044, "channel_utilization": 13.169999, "air_util_tx": 2.8973055, "uptime_seconds": 2619371 } }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!6984d8b8", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3559411698, "to": 4294967295, "id": 3433813502, "rx_time": 1774605213, "rx_snr": -4.75, "rx_rssi": -91, "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": "0d9153c6691216085915736881401d51b8524125746d394028ebef9f01", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1774605201, "device_metrics": { "battery_level": 89, "voltage": 4.044, "channel_utilization": 13.169999, "air_util_tx": 2.8973055, "uptime_seconds": 2619371 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }
Raw Packet Data (29 bytes)
0d9153c6691216085915736881401d51b8524125746d394028ebef9f01
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 Dominus (M4) Primary 0.000s
Reference
-91.0 dBm -4.75 dB 0 f2 🛰 MediumFast 2026-03-27 09:53:35 UTC Current
Mechanicus Dominus (M4) -0.503s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 LongFast 2026-03-27 09:53:34 UTC View
Mechanicus Dominus (M4) -0.474s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 LongFast 2026-03-27 09:53:34 UTC View
Mechanicus Dominus (M4) -0.447s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 LongFast 2026-03-27 09:53:34 UTC View
Mechanicus Dominus (M4) -0.417s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 LongFast 2026-03-27 09:53:34 UTC View
Mechanicus Dominus (M4) -0.391s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 LongFast 2026-03-27 09:53:34 UTC View
Mechanicus Dominus (M4) -0.370s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 LongFast 2026-03-27 09:53:34 UTC View
Mechanicus Dominus (M4) -0.350s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 LongFast 2026-03-27 09:53:34 UTC View
Mechanicus Dominus (M4) -0.328s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 LongFast 2026-03-27 09:53:34 UTC View
Mechanicus Dominus (M4) -0.304s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 LongFast 2026-03-27 09:53:34 UTC View
Mechanicus Dominus (M4) -0.280s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 LongFast 2026-03-27 09:53:35 UTC View
Mechanicus Dominus (M4) -0.257s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 LongFast 2026-03-27 09:53:35 UTC View
Mechanicus Dominus (M4) -0.228s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 MediumFast 2026-03-27 09:53:35 UTC View
Mechanicus Dominus (M4) -0.207s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 MediumFast 2026-03-27 09:53:35 UTC View
Mechanicus Dominus (M4) -0.186s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 MediumFast 2026-03-27 09:53:35 UTC View
Mechanicus Dominus (M4) -0.159s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 MediumFast 2026-03-27 09:53:35 UTC View
Mechanicus Dominus (M4) -0.138s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 MediumFast 2026-03-27 09:53:35 UTC View
Mechanicus Dominus (M4) -0.114s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 MediumFast 2026-03-27 09:53:35 UTC View
Mechanicus Dominus (M4) -0.090s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 MediumFast 2026-03-27 09:53:35 UTC View
Mechanicus Dominus (M4) -0.067s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 MediumFast 2026-03-27 09:53:35 UTC View
Mechanicus Dominus (M4) -0.043s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 MediumFast 2026-03-27 09:53:35 UTC View
Mechanicus Dominus (M4) -0.021s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 MediumFast 2026-03-27 09:53:35 UTC View
Mechanicus Dominus (M4) +0.021s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortFast 2026-03-27 09:53:35 UTC View
Mechanicus Dominus (M4) +0.042s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortFast 2026-03-27 09:53:35 UTC View
Mechanicus Dominus (M4) +0.072s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortFast 2026-03-27 09:53:35 UTC View
Mechanicus Dominus (M4) +0.096s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortFast 2026-03-27 09:53:35 UTC View
Mechanicus Dominus (M4) +0.119s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortFast 2026-03-27 09:53:35 UTC View
Mechanicus Dominus (M4) +0.142s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortFast 2026-03-27 09:53:35 UTC View
Mechanicus Dominus (M4) +0.164s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortFast 2026-03-27 09:53:35 UTC View
Mechanicus Dominus (M4) +0.185s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortFast 2026-03-27 09:53:35 UTC View
Mechanicus Dominus (M4) +0.206s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortFast 2026-03-27 09:53:35 UTC View
Mechanicus Dominus (M4) +0.227s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortFast 2026-03-27 09:53:35 UTC View
Mechanicus Dominus (M4) +0.251s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortFast 2026-03-27 09:53:35 UTC View
Mechanicus Dominus (M4) +0.274s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortTurbo 2026-03-27 09:53:35 UTC View
Mechanicus Dominus (M4) +0.297s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortTurbo 2026-03-27 09:53:35 UTC View
Mechanicus Dominus (M4) +0.320s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortTurbo 2026-03-27 09:53:35 UTC View
Mechanicus Dominus (M4) +0.342s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortTurbo 2026-03-27 09:53:35 UTC View
Mechanicus Dominus (M4) +0.363s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortTurbo 2026-03-27 09:53:35 UTC View
Mechanicus Dominus (M4) +0.384s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortTurbo 2026-03-27 09:53:35 UTC View
Mechanicus Dominus (M4) +0.405s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortTurbo 2026-03-27 09:53:35 UTC View
Mechanicus Dominus (M4) +0.429s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortTurbo 2026-03-27 09:53:35 UTC View
Mechanicus Dominus (M4) +0.453s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortTurbo 2026-03-27 09:53:35 UTC View
Mechanicus Dominus (M4) +0.476s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortTurbo 2026-03-27 09:53:35 UTC View
Mechanicus Dominus (M4) +0.499s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortTurbo 2026-03-27 09:53:35 UTC View
Mechanicus Dominus (M4) +0.520s
After
-91.0 dBm -4.75 dB 0 f2 🛰 LongFast 2026-03-27 09:53:35 UTC View
Mechanicus Alpha (M1) +0.541s
After
-110.0 dBm -3.50 dB 0 f2 🛰 LongFast 2026-03-27 09:53:35 UTC View
Mechanicus Cadia (M3) +0.563s
After
-123.0 dBm -11.75 dB 0 f2 🛰 LongFast 2026-03-27 09:53:35 UTC View
47

Total Receptions

3

Unique Gateways