Packet #3976861 Success

NODEINFO_APP packet from EB1HYS Ruben 📱 (1HYS) to Mac Móvil 2304 (McMv)

2
Total Receptions
1
Unique Gateways
0
Hop Count
82
Payload Bytes
Packet Information
Database ID: 3976861
Mesh Packet ID: 0xcf548d1c
Used for correlation across gateways
Timestamp: 2025-07-17 15:26:17 UTC
From Node: EB1HYS Ruben 📱 (1HYS)
To Node: Mac Móvil 2304 (McMv)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: EB1HYS Ruben 📱 (1HYS)
Channel: Iberia
RSSI: Unknown
SNR: Unknown
Hop Info: 0/4 hops
Start: 4, Limit: 4
Payload Data
Protocol: NODEINFO_APP
Size: 82 bytes
Decoded: Yes
Decoded Data:
Long Name:EB1HYS Ruben 📱
Short Name:1HYS
Node ID:!849a5b24
MAC Address:sIGEmlsk
Hardware:HELTEC_WIRELESS_PAPER
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:!849a5b24
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 !849a5b24
Node ID format
channel_id Iberia
packet MeshPacket (82 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2224708388
Source node ID 		uint32
to 114172676
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 82 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 1752765967
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 36
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1752765977.0387917
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: !849a5b24
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:82 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!849a5b24", "long_name": "EB1HYS Ruben 📱", "short_name": "1HYS", "macaddr": "sIGEmlsk", "hw_model": "HELTEC_WIRELESS_PAPER" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!849a5b24", "channel_id": "Iberia", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2224708388, "to": 114172676, "id": 3478424860, "rx_time": 1752765967, "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": 36, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213834396135623234121145423148595320527562656e20f09f93b11a04314859532206b081849a5b242831422046bcfc7af8006932383ce4f70c6bdb05923d39ad321be9b42eea89c83a2bf7744800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!849a5b24", "long_name": "EB1HYS Ruben 📱", "short_name": "1HYS", "macaddr": "sIGEmlsk", "hw_model": "HELTEC_WIRELESS_PAPER", "public_key": "Rrz8evgAaTI4POT3DGvbBZI9Oa0yG+m0LuqJyDor93Q=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (82 bytes)
0a09213834396135623234121145423148595320527562656e20f09f93b11a04314859532206b081849a5b242831422046bcfc7af8006932383ce4f70c6bdb05923d39ad321be9b42eea89c83a2bf7744800
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
EB1HYS Ruben 📱 (1HYS) Primary 0.000s
Reference 		Unknown Unknown 0 Iberia 2025-07-17 15:26:17 Current
EB1HYS Ruben 📱 (1HYS) +0.068s
After 		Unknown Unknown 0 Iberia 2025-07-17 15:26:17 View
2

Total Receptions

1

Unique Gateways