Packet #9936 Success

TELEMETRY_APP packet from Vratsa G1 🇧🇬🌐🛰️ (VRG1) to mesh-web-bot (wbot)

7
Total Receptions
5
Unique Gateways
2
Hop Count
27
Payload Bytes
Packet Information
Database ID: 9936
Mesh Packet ID: 0x4c5b7db0
Used for correlation across gateways
Timestamp: 2025-08-17 17:01:23 UTC
From Node: Vratsa G1 🇧🇬🌐🛰️ (VRG1)
To Node: mesh-web-bot (wbot)
Success: Processed
Protocol: TELEMETRY_APP
Port: 67
Gateway: LZ1OIA 🇧🇬 (Orli)
Channel: Bulgaria
RSSI: -67 dBm
SNR: 13.25 dBm
Hop Info: 2/2 hops
Start: 2, Limit: 0
Payload Data
Protocol: TELEMETRY_APP
Size: 27 bytes
Decoded: Yes
Decoded Data:
Device Metrics:
Battery:101%
Channel Usage:15.6%
Air Util TX:1.2%
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:27 bytes
Gateway:!db29e3b0
Channel:Bulgaria
Payload Type:TELEMETRY_APP
Hop Count:2 / 2
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 2 more...
Exposure Risks:
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (2 hops)
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !db29e3b0
Node ID format
channel_id Bulgaria
packet MeshPacket (27 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 600846648
Source node ID 		uint32
to 4273004234
Target node ID 		uint32
decoded.portnum 67
TELEMETRY_APP 		enum
decoded.payload_length 27 bytes size
hop_limit Not set uint32
hop_start 2
Initial hop limit 		uint32
hops_taken 2
Calculated: hop_start - hop_limit 		derived
rx_rssi -67.0 dBm
Signal strength at gateway 		int32
rx_snr 13.25 dB
Signal quality at gateway 		float
rx_time 1755439276
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 56
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1755439283.698177
Unix timestamp 		uint32
MQTT Privacy & Exposure Analysis

Analysis of privacy features and exposure risks when packet is shared via MQTT

Exposure Level: Direct Message
Privacy Features:
  • ✓ Direct LoRa transmission (not via MQTT)
  • ✓ Targeted to specific node
  • ✓ Custom channel: Bulgaria
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (2 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !db29e3b0
Signal Metrics: RSSI: -67.0 dBm
SNR: 13.25 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:TELEMETRY_APP
Size:27 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "time": 1755439276, "device_metrics": { "battery_level": 101, "voltage": 0.0, "channel_utilization": 15.629999, "air_util_tx": 1.1784722, "uptime_seconds": 13503 } }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!db29e3b0", "channel_id": "Bulgaria", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 600846648, "to": 4273004234, "id": 1281064368, "rx_time": 1755439276, "rx_snr": 13.25, "rx_rssi": -67, "hop_limit": 0, "hop_start": 2, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 56, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0dace0a1681214086515000000001d7a147a41252dd8963f28bf69", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1755439276, "device_metrics": { "battery_level": 101, "voltage": 0.0, "channel_utilization": 15.629999, "air_util_tx": 1.1784722, "uptime_seconds": 13503 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }
Raw Packet Data (27 bytes)
0dace0a1681214086515000000001d7a147a41252dd8963f28bf69
Hex Analysis:
Size:27 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

Loading reception map...

Map shows gateway locations that received this packet. Hop counts are displayed if available.
Gateway Time Offset RSSI SNR Hops Channel Timestamp Actions
LZ1OIA 🇧🇬 (Orli) Primary 0.000s
Reference 		-67.0 dBm 13.25 dB 2 Bulgaria 2025-08-17 17:01:23 Current
Vratsa G1 🇧🇬🌐🛰️ (VRG1) -5.862s
Before 		Unknown Unknown 0 Bulgaria 2025-08-17 17:01:17 View
Vratsa G1 🇧🇬🌐🛰️ (VRG1) -5.656s
Before 		Unknown Unknown 2 Bulgaria 2025-08-17 17:01:18 View
TC2-BBS📬💻🇧🇬 (TBBS) -5.394s
Before 		-81.0 dBm 10.00 dB 0 Bulgaria 2025-08-17 17:01:18 View
Vratsa M1🇧🇬🏚️🛰️ (VRM1) -5.349s
Before 		-103.0 dBm 4.00 dB 0 Bulgaria 2025-08-17 17:01:18 View
Vratsa Telegram Bot 🇧🇬🤖🛰️ (VRTB) -4.834s
Before 		-100.0 dBm 2.75 dB 1 Bulgaria 2025-08-17 17:01:18 View
LZ1OIA 🇧🇬 (Orli) -0.204s
Before 		-67.0 dBm 13.25 dB 0 Bulgaria 2025-08-17 17:01:23 View
7

Total Receptions

5

Unique Gateways