Packet #818208 Success

NODEINFO_APP packet from Kiao 35d5 (35d5) to LaNZelott (LaNZ)

4
Total Receptions
2
Unique Gateways
0
Hop Count
72
Payload Bytes
Packet Information
Database ID: 818208
Mesh Packet ID: 0xfa779e33
Used for correlation across gateways
Timestamp: 2025-06-14 16:01:37 UTC
From Node: Kiao 35d5 (35d5)
To Node: LaNZelott (LaNZ)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Kepto FJ01 (kptf)
Channel: Iberia
RSSI: -59 dBm
SNR: 9.5 dBm
Hop Info: 0/5 hops
Start: 5, Limit: 5
Payload Data
Protocol: NODEINFO_APP
Size: 72 bytes
Decoded: Yes
Decoded Data:
Long Name:Kiao 35d5
Short Name:35d5
Node ID:!182835d5
MAC Address:3kkYKDXV
Hardware:XIAO_NRF52_KIT
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:72 bytes
Gateway:!7aa6fa28
Channel:Iberia
Payload Type:NODEINFO_APP
Hop Count:Unknown / 5
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 3 more...
Exposure Risks:
⚠ Packet visible to MQTT subscribers
⚠ RF signal metrics exposed (location inference possible)
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !7aa6fa28
Node ID format
channel_id Iberia
packet MeshPacket (72 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 405288405
Source node ID 		uint32
to 2697777864
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 72 bytes size
hop_limit 5
Remaining hops allowed 		uint32
hop_start 5
Initial hop limit 		uint32
hops_taken 0
Calculated: hop_start - hop_limit 		derived
rx_rssi -59.0 dBm
Signal strength at gateway 		int32
rx_snr 9.50 dB
Signal quality at gateway 		float
rx_time 1749916890
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 213
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1749916897.116227
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: Iberia
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !7aa6fa28
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -59.0 dBm
SNR: 9.50 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:72 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!182835d5", "long_name": "Kiao 35d5", "short_name": "35d5", "macaddr": "3kkYKDXV", "hw_model": "XIAO_NRF52_KIT" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!7aa6fa28", "channel_id": "Iberia", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 405288405, "to": 2697777864, "id": 4202143283, "rx_time": 1749916890, "rx_snr": 9.5, "rx_rssi": -59, "hop_limit": 5, "hop_start": 5, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 213, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a0921313832383335643512094b69616f20333564351a04333564352206de49182835d5285842207401757d1c233762e88cd1bf4fb5509a1904d0a2cee7904b8e6806c26b61a537", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!182835d5", "long_name": "Kiao 35d5", "short_name": "35d5", "macaddr": "3kkYKDXV", "hw_model": "XIAO_NRF52_KIT", "public_key": "dAF1fRwjN2LojNG/T7VQmhkE0KLO55BLjmgGwmthpTc=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (72 bytes)
0a0921313832383335643512094b69616f20333564351a04333564352206de49182835d5285842207401757d1c233762e88cd1bf4fb5509a1904d0a2cee7904b8e6806c26b61a537
Hex Analysis:
Size:72 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
Kepto FJ01 (kptf) Primary 0.000s
Reference 		-59.0 dBm 9.50 dB 0 Iberia 2025-06-14 16:01:37 Current
Kiao 35d5 (35d5) -18.540s
Before 		Unknown Unknown 0 Iberia 2025-06-14 16:01:18 View
Kiao 35d5 (35d5) -13.848s
Before 		Unknown Unknown 0 Iberia 2025-06-14 16:01:23 View
Kepto FJ01 (kptf) +0.061s
After 		-59.0 dBm 9.50 dB 0 Iberia 2025-06-14 16:01:37 View
4

Total Receptions

2

Unique Gateways