Packet #2381195 Success

TELEMETRY_APP packet from 4Fun (Uli) to !ffffffff

11
Total Receptions
8
Unique Gateways
6
Hop Count
28
Payload Bytes
Packet Information
Database ID: 2381195
Mesh Packet ID: 0x5a8321eb
Used for correlation across gateways
Timestamp: 2025-08-14 08:01:14 UTC
From Node: 4Fun (Uli)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: TELEMETRY_APP
Port: 67
Gateway: Terwinselen | Kerkrade | Netherlands (TKNB)
Channel: OpenChat
RSSI: -118 dBm
SNR: -8.25 dBm
Hop Info: 6/7 hops
Start: 7, Limit: 1
Payload Data
Protocol: TELEMETRY_APP
Size: 28 bytes
Decoded: Yes
Decoded Data:
Device Metrics:
Battery:101%
Channel Usage:16.1%
Air Util TX:2.1%
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:!da9d6938
Channel:OpenChat
Payload Type:TELEMETRY_APP
Hop Count:6 / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: OpenChat
+ 1 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !da9d6938
Node ID format
channel_id OpenChat
packet MeshPacket (28 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 383462664
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 1
Remaining hops allowed
uint32
hop_start 7
Initial hop limit
uint32
hops_taken 6
Calculated: hop_start - hop_limit
derived
rx_rssi -118.0 dBm
Signal strength at gateway
int32
rx_snr -8.25 dB
Signal quality at gateway
float
rx_time 1755151273
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 Not set uint32
tx_after Not set uint32
timestamp 1755151274.6153374
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: OpenChat
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (6 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !da9d6938
Signal Metrics: RSSI: -118.0 dBm
SNR: -8.25 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": 1755147694, "device_metrics": { "battery_level": 101, "voltage": 0.0, "channel_utilization": 16.146667, "air_util_tx": 2.0774446, "uptime_seconds": 39727 } }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!da9d6938", "channel_id": "OpenChat", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 383462664, "to": 4294967295, "id": 1518543339, "rx_time": 1755151273, "rx_snr": -8.25, "rx_rssi": -118, "hop_limit": 1, "hop_start": 7, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 0, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0dae6d9d681215086515000000001d602c814125daf4044028afb602", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1755147694, "device_metrics": { "battery_level": 101, "voltage": 0.0, "channel_utilization": 16.146667, "air_util_tx": 2.0774446, "uptime_seconds": 39727 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }
Raw Packet Data (28 bytes)
0dae6d9d681215086515000000001d602c814125daf4044028afb602
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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Map shows gateway locations that received this packet. Hop counts are displayed if available.
Gateway Time Offset RSSI SNR Hops Channel Timestamp Actions
Terwinselen | Kerkrade | Netherlands (TKNB) Primary 0.000s
Reference
-118.0 dBm -8.25 dB 6 OpenChat 2025-08-14 08:01:14 Current
No13 Oirschot (OIR1) -3573.846s
Before
-124.0 dBm -14.50 dB 2 LongFast 2025-08-14 07:01:40 View
Joozt - Rijen 🏠 (JZT) -3573.713s
Before
-127.0 dBm -17.25 dB 2 LongFast 2025-08-14 07:01:40 View
PA3JH 🗼 (2.7.3) (3JH2) -3573.700s
Before
-105.0 dBm -8.00 dB 2 LongFast 2025-08-14 07:01:40 View
GOC-Parkstad.nl (GOC) -3465.812s
Before
-125.0 dBm -14.75 dB 6 LongFast 2025-08-14 07:03:28 View
Terwinselen | Kerkrade | Netherlands (TKNB) -3463.969s
Before
-121.0 dBm -7.75 dB 7 OpenChat 2025-08-14 07:03:30 View
GOC-Parkstad.nl (GOC) -2.770s
Before
-128.0 dBm -17.25 dB 5 LongFast 2025-08-14 08:01:11 View
MT Node Pey (PEY) +0.133s
After
-125.0 dBm -19.25 dB 5 LongFast 2025-08-14 08:01:14 View
No13 Oirschot (OIR1) +0.559s
After
-123.0 dBm -14.75 dB 6 LongFast 2025-08-14 08:01:15 View
Vlieg (🪰) +71.653s
After
-127.0 dBm -16.25 dB 6 LongFast 2025-08-14 08:02:26 View
Hatate (GSK0) +72.669s
After
-118.0 dBm -19.50 dB 7 LongFast 2025-08-14 08:02:27 View
11

Total Receptions

8

Unique Gateways