Packet #17811406 Success

TELEMETRY_APP packet from Meshtastic 5b2c (5b2c) to !ffffffff

45
Total Receptions
1
Unique Gateways
3
Hop Count
26
Payload Bytes
Packet Information
Database ID: 17811406
Mesh Packet ID: 0xfeff8ae9
Used for correlation across gateways
Timestamp: 2026-03-27 10:15:20 UTC
From Node: Meshtastic 5b2c (5b2c)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: TELEMETRY_APP
Port: 67
Gateway: DIR Rooftop (DIR)
Channel: LongFast
RSSI: -88 dBm
SNR: -18.25 dBm
Hop Info: 3/3 hops
Start: 3, Limit: 0
Relay Node: 8f
Last byte of the last hop that relayed this packet
Payload Data
Protocol: TELEMETRY_APP
Size: 26 bytes
Decoded: Yes
Decoded Data:
Device Metrics:
Battery:101%
Voltage:-0.00 V
Channel Usage:2.7%
Air Util TX:0.0%
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:26 bytes
Gateway:!6985083c
Channel:LongFast
Payload Type:TELEMETRY_APP
Hop Count:3 / 3
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 !6985083c
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (26 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3667745580
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 67
TELEMETRY_APP
enum
decoded.payload_length 26 bytes size
hop_limit Not set uint32
hop_start 3
Initial hop limit
uint32
hops_taken 3
Calculated: hop_start - hop_limit
derived
rx_rssi -88.0 dBm
Signal strength at gateway
int32
rx_snr -18.25 dB
Signal quality at gateway
float
rx_time 1774606520
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 143
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774606520.1292636
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: !6985083c
Signal Metrics: RSSI: -88.0 dBm
SNR: -18.25 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:TELEMETRY_APP
Size:26 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "time": 1774606504, "device_metrics": { "battery_level": 101, "voltage": -0.001, "channel_utilization": 2.685, "air_util_tx": 0.04475, "uptime_seconds": 61 } }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!6985083c", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3667745580, "to": 4294967295, "id": 4278160105, "rx_time": 1774606520, "rx_snr": -18.25, "rx_rssi": -88, "hop_limit": 0, "hop_start": 3, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 143, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0da858c66912130865156f1283ba1d0ad72b4025c74b373d283d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1774606504, "device_metrics": { "battery_level": 101, "voltage": -0.001, "channel_utilization": 2.685, "air_util_tx": 0.04475, "uptime_seconds": 61 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }
Raw Packet Data (26 bytes)
0da858c66912130865156f1283ba1d0ad72b4025c74b373d283d
Hex Analysis:
Size:26 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
DIR Rooftop (DIR) Primary 0.000s
Reference
-88.0 dBm -18.25 dB 3 8f LongFast 2026-03-27 10:15:20 UTC Current
DIR Rooftop (DIR) -0.163s
Before
-88.0 dBm -18.25 dB 3 8f LongFast 2026-03-27 10:15:19 UTC View
DIR Rooftop (DIR) -0.135s
Before
-88.0 dBm -18.25 dB 3 8f LongFast 2026-03-27 10:15:19 UTC View
DIR Rooftop (DIR) -0.105s
Before
-88.0 dBm -18.25 dB 3 8f LongFast 2026-03-27 10:15:20 UTC View
DIR Rooftop (DIR) -0.067s
Before
-88.0 dBm -18.25 dB 3 8f LongFast 2026-03-27 10:15:20 UTC View
DIR Rooftop (DIR) -0.043s
Before
-88.0 dBm -18.25 dB 3 8f LongFast 2026-03-27 10:15:20 UTC View
DIR Rooftop (DIR) -0.022s
Before
-88.0 dBm -18.25 dB 3 8f LongFast 2026-03-27 10:15:20 UTC View
DIR Rooftop (DIR) +0.021s
After
-88.0 dBm -18.25 dB 3 8f LongFast 2026-03-27 10:15:20 UTC View
DIR Rooftop (DIR) +0.042s
After
-88.0 dBm -18.25 dB 3 8f LongFast 2026-03-27 10:15:20 UTC View
DIR Rooftop (DIR) +0.066s
After
-88.0 dBm -18.25 dB 3 8f LongFast 2026-03-27 10:15:20 UTC View
DIR Rooftop (DIR) +0.090s
After
-88.0 dBm -18.25 dB 3 8f LongFast 2026-03-27 10:15:20 UTC View
DIR Rooftop (DIR) +0.114s
After
-88.0 dBm -18.25 dB 3 8f MediumFast 2026-03-27 10:15:20 UTC View
DIR Rooftop (DIR) +0.137s
After
-88.0 dBm -18.25 dB 3 8f MediumFast 2026-03-27 10:15:20 UTC View
DIR Rooftop (DIR) +0.159s
After
-88.0 dBm -18.25 dB 3 8f MediumFast 2026-03-27 10:15:20 UTC View
DIR Rooftop (DIR) +0.181s
After
-88.0 dBm -18.25 dB 3 8f MediumFast 2026-03-27 10:15:20 UTC View
DIR Rooftop (DIR) +0.202s
After
-88.0 dBm -18.25 dB 3 8f MediumFast 2026-03-27 10:15:20 UTC View
DIR Rooftop (DIR) +0.223s
After
-88.0 dBm -18.25 dB 3 8f MediumFast 2026-03-27 10:15:20 UTC View
DIR Rooftop (DIR) +0.247s
After
-88.0 dBm -18.25 dB 3 8f MediumFast 2026-03-27 10:15:20 UTC View
DIR Rooftop (DIR) +0.272s
After
-88.0 dBm -18.25 dB 3 8f MediumFast 2026-03-27 10:15:20 UTC View
DIR Rooftop (DIR) +0.295s
After
-88.0 dBm -18.25 dB 3 8f MediumFast 2026-03-27 10:15:20 UTC View
DIR Rooftop (DIR) +0.318s
After
-88.0 dBm -18.25 dB 3 8f MediumFast 2026-03-27 10:15:20 UTC View
DIR Rooftop (DIR) +0.340s
After
-88.0 dBm -18.25 dB 3 8f MediumFast 2026-03-27 10:15:20 UTC View
DIR Rooftop (DIR) +0.362s
After
-88.0 dBm -18.25 dB 3 8f ShortFast 2026-03-27 10:15:20 UTC View
DIR Rooftop (DIR) +0.383s
After
-88.0 dBm -18.25 dB 3 8f ShortFast 2026-03-27 10:15:20 UTC View
DIR Rooftop (DIR) +0.405s
After
-88.0 dBm -18.25 dB 3 8f ShortFast 2026-03-27 10:15:20 UTC View
DIR Rooftop (DIR) +0.429s
After
-88.0 dBm -18.25 dB 3 8f ShortFast 2026-03-27 10:15:20 UTC View
DIR Rooftop (DIR) +0.453s
After
-88.0 dBm -18.25 dB 3 8f ShortFast 2026-03-27 10:15:20 UTC View
DIR Rooftop (DIR) +0.476s
After
-88.0 dBm -18.25 dB 3 8f ShortFast 2026-03-27 10:15:20 UTC View
DIR Rooftop (DIR) +0.500s
After
-88.0 dBm -18.25 dB 3 8f ShortFast 2026-03-27 10:15:20 UTC View
DIR Rooftop (DIR) +0.522s
After
-88.0 dBm -18.25 dB 3 8f ShortFast 2026-03-27 10:15:20 UTC View
DIR Rooftop (DIR) +0.544s
After
-88.0 dBm -18.25 dB 3 8f ShortFast 2026-03-27 10:15:20 UTC View
DIR Rooftop (DIR) +0.565s
After
-88.0 dBm -18.25 dB 3 8f ShortFast 2026-03-27 10:15:20 UTC View
DIR Rooftop (DIR) +0.586s
After
-88.0 dBm -18.25 dB 3 8f ShortFast 2026-03-27 10:15:20 UTC View
DIR Rooftop (DIR) +0.610s
After
-88.0 dBm -18.25 dB 3 8f ShortTurbo 2026-03-27 10:15:20 UTC View
DIR Rooftop (DIR) +0.635s
After
-88.0 dBm -18.25 dB 3 8f ShortTurbo 2026-03-27 10:15:20 UTC View
DIR Rooftop (DIR) +0.658s
After
-88.0 dBm -18.25 dB 3 8f ShortTurbo 2026-03-27 10:15:20 UTC View
DIR Rooftop (DIR) +0.681s
After
-88.0 dBm -18.25 dB 3 8f ShortTurbo 2026-03-27 10:15:20 UTC View
DIR Rooftop (DIR) +0.703s
After
-88.0 dBm -18.25 dB 3 8f ShortTurbo 2026-03-27 10:15:20 UTC View
DIR Rooftop (DIR) +0.724s
After
-88.0 dBm -18.25 dB 3 8f ShortTurbo 2026-03-27 10:15:20 UTC View
DIR Rooftop (DIR) +0.745s
After
-88.0 dBm -18.25 dB 3 8f ShortTurbo 2026-03-27 10:15:20 UTC View
DIR Rooftop (DIR) +0.767s
After
-88.0 dBm -18.25 dB 3 8f ShortTurbo 2026-03-27 10:15:20 UTC View
DIR Rooftop (DIR) +0.791s
After
-88.0 dBm -18.25 dB 3 8f ShortTurbo 2026-03-27 10:15:20 UTC View
DIR Rooftop (DIR) +0.815s
After
-88.0 dBm -18.25 dB 3 8f ShortTurbo 2026-03-27 10:15:20 UTC View
DIR Rooftop (DIR) +0.839s
After
-88.0 dBm -18.25 dB 3 8f ShortTurbo 2026-03-27 10:15:20 UTC View
DIR Rooftop (DIR) +0.862s
After
-88.0 dBm -18.25 dB 3 8f LongFast 2026-03-27 10:15:20 UTC View
45

Total Receptions

1

Unique Gateways