Packet #151448 Success

NODEINFO_APP packet from BRC2 T114 🇧🇬📡 (BRC2) to Bot.io (bot1)

4
Total Receptions
2
Unique Gateways
0
Hop Count
89
Payload Bytes
Packet Information
Database ID: 151448
Mesh Packet ID: 0x9a57ddf9
Used for correlation across gateways
Timestamp: 2025-09-06 12:01:42 UTC
From Node: BRC2 T114 🇧🇬📡 (BRC2)
To Node: Bot.io (bot1)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: BRC7 Pocket 🇧🇬 (BRC7)
Channel: Bulgaria
RSSI: -54 dBm
SNR: 11.25 dBm
Hop Info: 0/2 hops
Start: 2, Limit: 2
Payload Data
Protocol: NODEINFO_APP
Size: 89 bytes
Decoded: Yes
Decoded Data:
Long Name:BRC2 T114 🇧🇬📡
Short Name:BRC2
Node ID:!54c5a664
MAC Address:xt5UxaZk
Hardware:HELTEC_MESH_NODE_T114
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:89 bytes
Gateway:!3c52fdd6
Channel:Bulgaria
Payload Type:NODEINFO_APP
Hop Count:Unknown / 2
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 3 more...
Exposure Risks:
âš  Packet visible to MQTT subscribers
âš  RF signal metrics exposed (location inference possible)
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !3c52fdd6
Node ID format
channel_id Bulgaria
packet MeshPacket (89 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1422239332
Source node ID 		uint32
to 81904699
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 89 bytes size
hop_limit 2
Remaining hops allowed 		uint32
hop_start 2
Initial hop limit 		uint32
hops_taken 0
Calculated: hop_start - hop_limit 		derived
rx_rssi -54.0 dBm
Signal strength at gateway 		int32
rx_snr 11.25 dB
Signal quality at gateway 		float
rx_time 1757148648
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 100
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1757149302.927898
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
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • âš  Packet visible to MQTT subscribers
  • âš  RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !3c52fdd6
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -54.0 dBm
SNR: 11.25 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:89 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!54c5a664", "long_name": "BRC2 T114 🇧🇬📡", "short_name": "BRC2", "macaddr": "xt5UxaZk", "hw_model": "HELTEC_MESH_NODE_T114" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!3c52fdd6", "channel_id": "Bulgaria", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1422239332, "to": 81904699, "id": 2589449721, "rx_time": 1757148648, "rx_snr": 11.25, "rx_rssi": -54, "hop_limit": 2, "hop_start": 2, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 100, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213534633561363634121642524332205431313420f09f87a7f09f87acf09f93a11a04425243322206c6de54c5a664284538014220d9117da9c82a5d807037ec6f91d8170a2afa7aef403f837fc8da85dd57913d1d4800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!54c5a664", "long_name": "BRC2 T114 🇧🇬📡", "short_name": "BRC2", "macaddr": "xt5UxaZk", "hw_model": "HELTEC_MESH_NODE_T114", "role": "CLIENT_MUTE", "public_key": "2RF9qcgqXYBwN+xvkdgXCir6eu9AP4N/yNqF3VeRPR0=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (89 bytes)
0a09213534633561363634121642524332205431313420f09f87a7f09f87acf09f93a11a04425243322206c6de54c5a664284538014220d9117da9c82a5d807037ec6f91d8170a2afa7aef403f837fc8da85dd57913d1d4800
Hex Analysis:
Size:89 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
BRC7 Pocket 🇧🇬 (BRC7) Primary 0.000s
Reference 		-54.0 dBm 11.25 dB 0 Bulgaria 2025-09-06 12:01:42 Current
BRC2 T114 🇧🇬📡 (BRC2) -653.343s
Before 		Unknown Unknown 0 Bulgaria 2025-09-06 11:50:49 View
BRC2 T114 🇧🇬📡 (BRC2) -653.321s
Before 		Unknown Unknown 0 Bulgaria 2025-09-06 11:50:49 View
BRC7 Pocket 🇧🇬 (BRC7) +0.060s
After 		-54.0 dBm 11.25 dB 0 Bulgaria 2025-09-06 12:01:42 View
4

Total Receptions

2

Unique Gateways