Packet #10331968 Success

NODEINFO_APP packet from 🇮🇨nomada81🇪🇸 (YETi) to Meshtastic 53fc (53fc)

2
Total Receptions
2
Unique Gateways
0
Hop Count
87
Payload Bytes
Packet Information
Database ID: 10331968
Mesh Packet ID: 0xe338ba37
Used for correlation across gateways
Timestamp: 2025-09-12 21:15:39 UTC
From Node: 🇮🇨nomada81🇪🇸 (YETi)
To Node: Meshtastic 53fc (53fc)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: !2c765ff0 (5ff0)
Channel: Iberia
RSSI: -67 dBm
SNR: 6.25 dBm
Hop Info: 0/4 hops
Start: 4, Limit: 4
Payload Data
Protocol: NODEINFO_APP
Size: 87 bytes
Decoded: Yes
Decoded Data:
Long Name:🇮🇨nomada81🇪🇸
Short Name:YETi
Node ID:!61296301
MAC Address:0FxhKWMB
Hardware:TRACKER_T1000_E
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:87 bytes
Gateway:!2c765ff0
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:
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 !2c765ff0
Node ID format
channel_id Iberia
packet MeshPacket (87 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1630102273
Source node ID 		uint32
to 3215545340
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 87 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 -67.0 dBm
Signal strength at gateway 		int32
rx_snr 6.25 dB
Signal quality at gateway 		float
rx_time Not set 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 1
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1757711739.701035
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:
  • âš  Packet visible to MQTT subscribers
  • âš  RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !2c765ff0
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -67.0 dBm
SNR: 6.25 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:87 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!61296301", "long_name": "🇮🇨nomada81🇪🇸", "short_name": "YETi", "macaddr": "0FxhKWMB", "hw_model": "TRACKER_T1000_E" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!2c765ff0", "channel_id": "Iberia", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1630102273, "to": 3215545340, "id": 3812145719, "rx_time": 0, "rx_snr": 6.25, "rx_rssi": -67, "hop_limit": 4, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 1, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a092136313239363330311218f09f87aef09f87a86e6f6d6164613831f09f87aaf09f87b81a04594554692206d05c61296301284742204e420795228afa9e9ceac43963bb52149be2e9fbb43066a3bd3a9c7d13d8ba04", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!61296301", "long_name": "🇮🇨nomada81🇪🇸", "short_name": "YETi", "macaddr": "0FxhKWMB", "hw_model": "TRACKER_T1000_E", "public_key": "TkIHlSKK+p6c6sQ5Y7tSFJvi6fu0MGajvTqcfRPYugQ=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (87 bytes)
0a092136313239363330311218f09f87aef09f87a86e6f6d6164613831f09f87aaf09f87b81a04594554692206d05c61296301284742204e420795228afa9e9ceac43963bb52149be2e9fbb43066a3bd3a9c7d13d8ba04
Hex Analysis:
Size:87 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
!2c765ff0 (5ff0) Primary 0.000s
Reference 		-67.0 dBm 6.25 dB 0 Iberia 2025-09-12 21:15:39 Current
🇮🇨nomada81🇪🇸 (YETi) -202.627s
Before 		Unknown Unknown 0 Iberia 2025-09-12 21:12:17 View
2

Total Receptions

2

Unique Gateways