Packet #3939027 Success

NODEINFO_APP packet from Torre Girona ๐Ÿ—ผ-G-868 (TORR) to !ffffffff

2
Total Receptions
2
Unique Gateways
4
Hop Count
86
Payload Bytes
Packet Information
Database ID: 3939027
Mesh Packet ID: 0x1d4140cc
Used for correlation across gateways
Timestamp: 2025-07-17 04:27:25 UTC
From Node: Torre Girona ๐Ÿ—ผ-G-868 (TORR)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: LoRaCroft (LRCr)
Channel: LongFast
RSSI: -128 dBm
SNR: -19.5 dBm
Hop Info: 4/4 hops
Start: 4, Limit: 0
Payload Data
Protocol: NODEINFO_APP
Size: 86 bytes
Decoded: Yes
Decoded Data:
Long Name:Torre Girona ๐Ÿ—ผ-G-868
Short Name:TORR
Node ID:!099806f2
MAC Address:xusJmAby
Hardware:NRF52_PROMICRO_DIY
Raw Packet Analysis
Complete field breakdown and MQTT privacy/exposure analysis
Packet Structure
MQTT Packet Flow:
ServiceEnvelope (MQTT layer) โ†’ MeshPacket (Mesh layer) โ†’ Decoded Payload (Application data)
Total Size:86 bytes
Gateway:!435b9cc8
Channel:LongFast
Payload Type:NODEINFO_APP
Hop Count:4 / 4
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
โœ“ Direct LoRa transmission (not via MQTT)
โœ“ Gateway node ID tracked
Exposure Risks:
โš  Visible to all nodes on channel
โš  Default channel - no encryption
+ 3 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !435b9cc8
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (86 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 160958194
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 4
NODEINFO_APP
enum
decoded.payload_length 86 bytes size
hop_limit Not set uint32
hop_start 4
Initial hop limit
uint32
hops_taken 4
Calculated: hop_start - hop_limit
derived
rx_rssi -128.0 dBm
Signal strength at gateway
int32
rx_snr -19.50 dB
Signal quality at gateway
float
rx_time 1752726442
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 116
Relay node ID
uint32
tx_after Not set uint32
timestamp 1752726445.3853292
Unix timestamp
uint32
MQTT Privacy & Exposure Analysis

Analysis of privacy features and exposure risks when packet is shared via MQTT

Exposure Level: Broadcast
Privacy Features:
  • โœ“ Direct LoRa transmission (not via MQTT)
  • โœ“ Gateway node ID tracked
Exposure Risks:
  • โš  Visible to all nodes on channel
  • โš  Default channel - no encryption
  • โš  Packet visible to MQTT subscribers
  • โš  Multi-hop path visible (4 hops)
  • โš  RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !435b9cc8
Signal Metrics: RSSI: -128.0 dBm
SNR: -19.50 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:86 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!099806f2", "long_name": "Torre Girona ๐Ÿ—ผ-G-868", "short_name": "TORR", "macaddr": "xusJmAby", "hw_model": "NRF52_PROMICRO_DIY" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!435b9cc8", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 160958194, "to": 4294967295, "id": 490815692, "rx_time": 1752726442, "rx_snr": -19.5, "rx_rssi": -128, "hop_limit": 0, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 116, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a092130393938303666321217546f727265204769726f6e6120f09f97bc2d472d3836381a04544f52522206c6eb099806f2283f4220a34777d3aecb3d1be8ac661ba1d7e62caa5b419904a2069556dd6cb54ced8964", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!099806f2", "long_name": "Torre Girona ๐Ÿ—ผ-G-868", "short_name": "TORR", "macaddr": "xusJmAby", "hw_model": "NRF52_PROMICRO_DIY", "public_key": "o0d3067LPRvorGYbodfmLKpbQZkEogaVVt1stUztiWQ=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (86 bytes)
0a092130393938303666321217546f727265204769726f6e6120f09f97bc2d472d3836381a04544f52522206c6eb099806f2283f4220a34777d3aecb3d1be8ac661ba1d7e62caa5b419904a2069556dd6cb54ced8964
Hex Analysis:
Size:86 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
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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
LoRaCroft (LRCr) Primary 0.000s
Reference
-128.0 dBm -19.50 dB 4 LongFast 2025-07-17 04:27:25 Current
EB3FWC-Girona๐Ÿ“ก-GW-868 (EB3F) -11.187s
Before
-76.0 dBm 5.00 dB 0 LongFast 2025-07-17 04:27:14 View
2

Total Receptions

2

Unique Gateways