Packet #38691 Success

NODEINFO_APP packet from LZ4NY🙍🇧🇬 (MIRO) to LZ1NUL-td (1ff)

9
Total Receptions
4
Unique Gateways
3
Hop Count
82
Payload Bytes
Packet Information
Database ID: 38691
Mesh Packet ID: 0xdb9a15f4
Used for correlation across gateways
Timestamp: 2025-08-20 18:05:52 UTC
From Node: LZ4NY🙍🇧🇬 (MIRO)
To Node: LZ1NUL-td (1ff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Vratsa G1 🇧🇬🌐🛰️ (VRG1)
Channel: Bulgaria
RSSI: -57 dBm
SNR: 12.5 dBm
Hop Info: 3/3 hops
Start: 3, Limit: 0
Payload Data
Protocol: NODEINFO_APP
Size: 82 bytes
Decoded: Yes
Decoded Data:
Long Name:LZ4NY🙍🇧🇬
Short Name:MIRO
Node ID:!6a80ad81
MAC Address:4ohqgK2B
Hardware:TRACKER_T1000_E
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:82 bytes
Gateway:!23d03138
Channel:Bulgaria
Payload Type:NODEINFO_APP
Hop Count:3 / 3
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 (3 hops)
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !23d03138
Node ID format
channel_id Bulgaria
packet MeshPacket (82 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1786817921
Source node ID 		uint32
to 3926295424
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 82 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 -57.0 dBm
Signal strength at gateway 		int32
rx_snr 12.50 dB
Signal quality at gateway 		float
rx_time 1755702351
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 20
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1755702352.438201
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 (3 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !23d03138
Signal Metrics: RSSI: -57.0 dBm
SNR: 12.50 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:82 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!6a80ad81", "long_name": "LZ4NY🙍🇧🇬", "short_name": "MIRO", "macaddr": "4ohqgK2B", "hw_model": "TRACKER_T1000_E" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!23d03138", "channel_id": "Bulgaria", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1786817921, "to": 3926295424, "id": 3684308468, "rx_time": 1755702351, "rx_snr": 12.5, "rx_rssi": -57, "hop_limit": 0, "hop_start": 3, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 20, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a0921366138306164383112114c5a344e59f09f998df09f87a7f09f87ac1a044d49524f2206e2886a80ad812847380142202b321b4b6b51aa96857b8e6ed776c2580f6251bdc93dbda95d2e99e291458725", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!6a80ad81", "long_name": "LZ4NY🙍🇧🇬", "short_name": "MIRO", "macaddr": "4ohqgK2B", "hw_model": "TRACKER_T1000_E", "role": "CLIENT_MUTE", "public_key": "KzIbS2tRqpaFe45u13bCWA9iUb3JPb2pXS6Z4pFFhyU=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (82 bytes)
0a0921366138306164383112114c5a344e59f09f998df09f87a7f09f87ac1a044d49524f2206e2886a80ad812847380142202b321b4b6b51aa96857b8e6ed776c2580f6251bdc93dbda95d2e99e291458725
Hex Analysis:
Size:82 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
Vratsa G1 🇧🇬🌐🛰️ (VRG1) Primary 0.000s
Reference 		-57.0 dBm 12.50 dB 3 Bulgaria 2025-08-20 18:05:52 Current
TC2-BBS📬💻🇧🇬 (TBBS) -31.303s
Before 		-52.0 dBm 10.25 dB 1 Bulgaria 2025-08-20 18:05:21 View
TC2-BBS📬💻🇧🇬 (TBBS) -31.278s
Before 		-52.0 dBm 10.25 dB 1 Bulgaria 2025-08-20 18:05:21 View
Blue Sky 📟🇧🇬 (VRBS) -31.196s
Before 		-40.0 dBm 13.25 dB 1 Bulgaria 2025-08-20 18:05:21 View
Vratsa Telegram Bot 🇧🇬🤖🛰️ (VRTB) -31.181s
Before 		-37.0 dBm 13.25 dB 1 Bulgaria 2025-08-20 18:05:21 View
Blue Sky 📟🇧🇬 (VRBS) -31.171s
Before 		-40.0 dBm 13.25 dB 1 Bulgaria 2025-08-20 18:05:21 View
Vratsa Telegram Bot 🇧🇬🤖🛰️ (VRTB) -31.153s
Before 		-37.0 dBm 13.25 dB 1 Bulgaria 2025-08-20 18:05:21 View
TC2-BBS📬💻🇧🇬 (TBBS) -31.117s
Before 		-52.0 dBm 10.25 dB 3 Bulgaria 2025-08-20 18:05:21 View
Vratsa G1 🇧🇬🌐🛰️ (VRG1) -0.208s
Before 		-57.0 dBm 12.50 dB 1 Bulgaria 2025-08-20 18:05:52 View
9

Total Receptions

4

Unique Gateways