Packet #3713221 Success

NODEINFO_APP packet from DunaRF 🗼 (DRF) to SkG@Tracker 📱 (SkGT)

5
Total Receptions
5
Unique Gateways
1
Hop Count
80
Payload Bytes
Packet Information
Database ID: 3713221
Mesh Packet ID: 0x23b2a7bd
Used for correlation across gateways
Timestamp: 2025-07-14 10:49:23 UTC
From Node: DunaRF 🗼 (DRF)
To Node: SkG@Tracker 📱 (SkGT)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Venturada base🗼🌐 (Vb)
Channel: MediumSlow
RSSI: -83 dBm
SNR: 2.75 dBm
Hop Info: 1/4 hops
Start: 4, Limit: 3
Payload Data
Protocol: NODEINFO_APP
Size: 80 bytes
Decoded: Yes
Decoded Data:
Long Name:Meshtastic 1a3c
Short Name:1a3c
Node ID:!db2b1a3c
MAC Address:EFHbKxo8
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:80 bytes
Gateway:!ffaf8270
Channel:MediumSlow
Payload Type:NODEINFO_APP
Hop Count:1 / 4
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 2 more...
Exposure Risks:
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (1 hops)
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !ffaf8270
Node ID format
channel_id MediumSlow
packet MeshPacket (80 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3677035068
Source node ID 		uint32
to 1555771960
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 80 bytes size
hop_limit 3
Remaining hops allowed 		uint32
hop_start 4
Initial hop limit 		uint32
hops_taken 1
Calculated: hop_start - hop_limit 		derived
rx_rssi -83.0 dBm
Signal strength at gateway 		int32
rx_snr 2.75 dB
Signal quality at gateway 		float
rx_time 1752490161
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 176
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1752490163.1367025
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: MediumSlow
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (1 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !ffaf8270
Signal Metrics: RSSI: -83.0 dBm
SNR: 2.75 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:80 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!db2b1a3c", "long_name": "Meshtastic 1a3c", "short_name": "1a3c", "macaddr": "EFHbKxo8", "hw_model": "HELTEC_V3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!ffaf8270", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3677035068, "to": 1555771960, "id": 598910909, "rx_time": 1752490161, "rx_snr": 2.75, "rx_rssi": -83, "hop_limit": 3, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 176, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09216462326231613363120f4d65736874617374696320316133631a043161336322061051db2b1a3c282b4220c139a6c523c664817da4a7cd09ad833cbad0a5e72de8af074a97956140c5f45a4800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!db2b1a3c", "long_name": "Meshtastic 1a3c", "short_name": "1a3c", "macaddr": "EFHbKxo8", "hw_model": "HELTEC_V3", "public_key": "wTmmxSPGZIF9pKfNCa2DPLrQpect6K8HSpeVYUDF9Fo=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (80 bytes)
0a09216462326231613363120f4d65736874617374696320316133631a043161336322061051db2b1a3c282b4220c139a6c523c664817da4a7cd09ad833cbad0a5e72de8af074a97956140c5f45a4800
Hex Analysis:
Size:80 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
Venturada base🗼🌐 (Vb) Primary 0.000s
Reference 		-83.0 dBm 2.75 dB 1 MediumSlow 2025-07-14 10:49:23 Current
GRN1-Base📡🌐 (GRN1) +0.032s
After 		-107.0 dBm 2.25 dB 1 MediumSlow 2025-07-14 10:49:23 View
Mec Rocket Meco (MRM) +1.837s
After 		-118.0 dBm -10.75 dB 2 MediumSlow 2025-07-14 10:49:24 View
@lazynoda cocidito 🥵 🗼🌐 (LNCM) +2.097s
After 		-112.0 dBm -1.00 dB 2 MediumSlow 2025-07-14 10:49:25 View
[Nevermore] Perseo 🗼 (nvm1) +4.855s
After 		-109.0 dBm -14.50 dB 3 MediumSlow 2025-07-14 10:49:27 View
5

Total Receptions

5

Unique Gateways