Packet #11088819 Success

NODEINFO_APP packet from Mrk-2 🚀 (T114) to EA3BQ FOX2 (FOX2)

6
Total Receptions
6
Unique Gateways
0
Hop Count
75
Payload Bytes
Packet Information
Database ID: 11088819
Mesh Packet ID: 0x093dd5ed
Used for correlation across gateways
Timestamp: 2025-09-18 03:59:01 UTC
From Node: Mrk-2 🚀 (T114)
To Node: EA3BQ FOX2 (FOX2)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Mrk-2 🚀 (T114)
Channel: LongFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/4 hops
Start: 4, Limit: 4
Payload Data
Protocol: NODEINFO_APP
Size: 75 bytes
Decoded: Yes
Decoded Data:
Long Name:Mrk-2 🚀
Short Name:T114
Node ID:!472bab45
MAC Address:4WZHK6tF
Hardware:HELTEC_MESH_NODE_T114
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:75 bytes
Gateway:!472bab45
Channel:LongFast
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
+ 2 more...
Exposure Risks:
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !472bab45
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (75 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1194044229
Source node ID 		uint32
to 2425799388
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 75 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 1758167939
Receive timestamp 		fixed32
via_mqtt False
Direct LoRa transmission 		bool
want_ack False
No ACK requested 		bool
priority 70
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 69
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1758167941.221588
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
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
MQTT-Specific Fields
Gateway ID: !472bab45
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:75 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!472bab45", "long_name": "Mrk-2 🚀", "short_name": "T114", "macaddr": "4WZHK6tF", "hw_model": "HELTEC_MESH_NODE_T114" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!472bab45", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1194044229, "to": 2425799388, "id": 155047405, "rx_time": 1758167939, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 4, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 70, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 69, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213437326261623435120a4d726b2d3220f09f9a801a04543131342206e166472bab45284542202841f1fdd322a1bdf20406c8bc13088e051ad9340d9e6ad4fd9cc0182efe03304800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!472bab45", "long_name": "Mrk-2 🚀", "short_name": "T114", "macaddr": "4WZHK6tF", "hw_model": "HELTEC_MESH_NODE_T114", "public_key": "KEHx/dMiob3yBAbIvBMIjgUa2TQNnmrU/ZzAGC7+AzA=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (75 bytes)
0a09213437326261623435120a4d726b2d3220f09f9a801a04543131342206e166472bab45284542202841f1fdd322a1bdf20406c8bc13088e051ad9340d9e6ad4fd9cc0182efe03304800
Hex Analysis:
Size:75 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
Mrk-2 🚀 (T114) Primary 0.000s
Reference 		Unknown Unknown 0 LongFast 2025-09-18 03:59:01 Current
Ametlla_V_01⛰️ (Mrk) +3.286s
After 		-23.0 dBm 6.25 dB 0 LongFast 2025-09-18 03:59:04 View
Rubí - FCS (FCS) +9.512s
After 		-119.0 dBm -7.75 dB 2 LongFast 2025-09-18 03:59:10 View
CODY-ConcaDeTremp-GW-868 (CODY) +46.850s
After 		-123.0 dBm -11.75 dB 3 LongFast 2025-09-18 03:59:48 View
CV-Oriol-GW-8 📡 (CVO2) +50.177s
After 		-101.0 dBm 5.50 dB 4 LongFast 2025-09-18 03:59:51 View
MontcadaCentro-CL-868🗼🌐 (d9e8) +58.155s
After 		-107.0 dBm -8.75 dB 4 LongFast 2025-09-18 03:59:59 View
6

Total Receptions

6

Unique Gateways