Packet #3816473 Success

NODEINFO_APP packet from David📱🌐 (Dav) to www.labibliotecaambulante.com (€)

4
Total Receptions
2
Unique Gateways
0
Hop Count
77
Payload Bytes
Packet Information
Database ID: 3816473
Mesh Packet ID: 0xb0d61134
Used for correlation across gateways
Timestamp: 2025-07-15 17:42:57 UTC
From Node: David📱🌐 (Dav)
To Node: www.labibliotecaambulante.com (€)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: David📱🌐 (Dav)
Channel: Iberia
RSSI: Unknown
SNR: Unknown
Hop Info: 0/4 hops
Start: 4, Limit: 4
Payload Data
Protocol: NODEINFO_APP
Size: 77 bytes
Decoded: Yes
Decoded Data:
Long Name:David📱🌐
Short Name:Dav
Node ID:!db2b5be0
MAC Address:EFHbK1vg
Hardware:HELTEC_V3
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:77 bytes
Gateway:!db2b5be0
Channel:Iberia
Payload Type:NODEINFO_APP
Hop Count:Unknown / 4
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
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !db2b5be0
Node ID format
channel_id Iberia
packet MeshPacket (77 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3677051872
Source node ID 		uint32
to 3127533640
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 77 bytes size
hop_limit 4
Remaining hops allowed 		uint32
hop_start 4
Initial hop limit 		uint32
hops_taken 0
Calculated: hop_start - hop_limit 		derived
rx_rssi Not set int32
rx_snr Not set float
rx_time 1752601375
Receive timestamp 		fixed32
via_mqtt False
Direct LoRa transmission 		bool
want_ack False
No ACK requested 		bool
priority 10
Packet priority level 		enum
delayed Not set enum
channel Not set uint32
pki_encrypted False
Standard encryption 		bool
next_hop Not set uint32
relay_node 224
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1752601377.0338805
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
MQTT-Specific Fields
Gateway ID: !db2b5be0
Zero Hop Policy: Enabled
Direct gateway connection
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:77 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!db2b5be0", "long_name": "David📱🌐", "short_name": "Dav", "macaddr": "EFHbK1vg", "hw_model": "HELTEC_V3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!db2b5be0", "channel_id": "Iberia", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3677051872, "to": 3127533640, "id": 2966819124, "rx_time": 1752601375, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 4, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 224, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09216462326235626530120d4461766964f09f93b1f09f8c901a0344617622061051db2b5be0282b4220f323f2962395be732258ee68cad19b4904ee0c000a4d6689b4da26887dca01764800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!db2b5be0", "long_name": "David📱🌐", "short_name": "Dav", "macaddr": "EFHbK1vg", "hw_model": "HELTEC_V3", "public_key": "8yPyliOVvnMiWO5oytGbSQTuDAAKTWaJtNomiH3KAXY=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (77 bytes)
0a09216462326235626530120d4461766964f09f93b1f09f8c901a0344617622061051db2b5be0282b4220f323f2962395be732258ee68cad19b4904ee0c000a4d6689b4da26887dca01764800
Hex Analysis:
Size:77 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
David📱🌐 (Dav) Primary 0.000s
Reference 		Unknown Unknown 0 Iberia 2025-07-15 17:42:57 Current
David📱🌐 (Dav) +1.881s
After 		Unknown Unknown 0 Iberia 2025-07-15 17:42:58 View
Vero📱🌐 (vero) +4.040s
After 		-15.0 dBm 6.25 dB 0 Iberia 2025-07-15 17:43:01 View
Vero📱🌐 (vero) +4.092s
After 		-15.0 dBm 6.25 dB 0 Iberia 2025-07-15 17:43:01 View
4

Total Receptions

2

Unique Gateways