Packet #2452584 Success

NODEINFO_APP packet from BRC15 TL1 (LF) 🇧🇬📡 (BRN0) to MeshMonitor VR (VRMM)

1
Total Receptions
1
Unique Gateways
0
Hop Count
94
Payload Bytes
Packet Information
Database ID: 2452584
Mesh Packet ID: 0x40faf915
Used for correlation across gateways
Timestamp: 2026-03-21 21:13:30 UTC
From Node: BRC15 TL1 (LF) 🇧🇬📡 (BRN0)
To Node: MeshMonitor VR (VRMM)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: BruchmaLink-1 (LF) 🇧🇬 (BRC1)
Channel: ShortFast
RSSI: -79 dBm
SNR: 6.25 dBm
Hop Info: 0/2 hops
Start: 2, Limit: 2
Relay Node: 46 BRN0
Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions
Payload Data
Protocol: NODEINFO_APP
Size: 94 bytes
Decoded: Yes
Decoded Data:
Long Name:BRC15 TL1 (LF) 🇧🇬📡
Short Name:BRN0
Node ID:!ce4c8646
MAC Address:5wnOTIZG
Hardware:SEEED_WIO_TRACKER_L1
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:94 bytes
Gateway:!b03c98d4
Channel:ShortFast
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 !b03c98d4
Node ID format
channel_id ShortFast
packet MeshPacket (94 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3461121606
Source node ID 		uint32
to 2055411371
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 94 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 -79.0 dBm
Signal strength at gateway 		int32
rx_snr 6.25 dB
Signal quality at gateway 		float
rx_time 1774127609
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 70
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1774127610.6920211
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: ShortFast
  • ✓ 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: !b03c98d4
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -79.0 dBm
SNR: 6.25 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:94 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!ce4c8646", "long_name": "BRC15 TL1 (LF) 🇧🇬📡", "short_name": "BRN0", "macaddr": "5wnOTIZG", "hw_model": "SEEED_WIO_TRACKER_L1" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!b03c98d4", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3461121606, "to": 2055411371, "id": 1090189589, "rx_time": 1774127609, "rx_snr": 6.25, "rx_rssi": -79, "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": 70, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09216365346338363436121b425243313520544c3120284c462920f09f87a7f09f87acf09f93a11a0442524e302206e709ce4c8646286338014220845502e27fd7240d89a4a1e8dcfc403e3725d3feb9f2b6381505a6b38014f7284800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!ce4c8646", "long_name": "BRC15 TL1 (LF) 🇧🇬📡", "short_name": "BRN0", "macaddr": "5wnOTIZG", "hw_model": "SEEED_WIO_TRACKER_L1", "role": "CLIENT_MUTE", "public_key": "hFUC4n/XJA2JpKHo3PxAPjcl0/658rY4FQWms4AU9yg=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (94 bytes)
0a09216365346338363436121b425243313520544c3120284c462920f09f87a7f09f87acf09f93a11a0442524e302206e709ce4c8646286338014220845502e27fd7240d89a4a1e8dcfc403e3725d3feb9f2b6381505a6b38014f7284800
Hex Analysis:
Size:94 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
Gateway Time Offset RSSI SNR Hops Relay Channel Timestamp Actions
BruchmaLink-1 (LF) 🇧🇬 (BRC1) Primary 0.000s
Reference 		-79.0 dBm 6.25 dB 0 46 BRN0 ShortFast 2026-03-21 21:13:30 UTC Current
No other receptions found within ±2 seconds
1

Total Receptions

1

Unique Gateways