Packet #28238082 Success

NODEINFO_APP packet from EA3HGK 🔗 Sant Llorenç d'Hortons (Gio) to !ffffffff

5
Total Receptions
5
Unique Gateways
3
Hop Count
101
Payload Bytes
Packet Information
Database ID: 28238082
Mesh Packet ID: 0x1a531758
Used for correlation across gateways
Timestamp: 2025-12-17 09:18:05 UTC
From Node: EA3HGK 🔗 Sant Llorenç d'Hortons (Gio)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: EB3FWC-Girona📡-GW-868 (EB3F)
Channel: LongFast
RSSI: -88 dBm
SNR: -1.0 dBm
Hop Info: 3/3 hops
Start: 3, Limit: 0
Relay Node: None
Payload Data
Protocol: NODEINFO_APP
Size: 101 bytes
Decoded: Yes
Decoded Data:
Long Name:EA3HGK 🔗 Sant Llorenç d'Hortons
Short Name:Gio
Node ID:!9ea20e60
MAC Address:nBOeog5g
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:101 bytes
Gateway:!433adf3c
Channel:LongFast
Payload Type:NODEINFO_APP
Hop Count:3 / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
âś“ Direct LoRa transmission (not via MQTT)
âś“ Gateway node ID tracked
Exposure Risks:
âš  Visible to all nodes on channel
âš  Default channel - no encryption
+ 3 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !433adf3c
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (101 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2661420640
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 101 bytes size
hop_limit Not set uint32
hop_start 3
Initial hop limit 		uint32
hops_taken 3
Calculated: hop_start - hop_limit 		derived
rx_rssi -88.0 dBm
Signal strength at gateway 		int32
rx_snr -1.00 dB
Signal quality at gateway 		float
rx_time 1765963083
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 Not set uint32
tx_after Not set uint32
timestamp 1765963085.1480808
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:
  • âś“ Direct LoRa transmission (not via MQTT)
  • âś“ Gateway node ID tracked
Exposure Risks:
  • âš  Visible to all nodes on channel
  • âš  Default channel - no encryption
  • âš  Packet visible to MQTT subscribers
  • âš  Multi-hop path visible (3 hops)
  • âš  RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !433adf3c
Signal Metrics: RSSI: -88.0 dBm
SNR: -1.00 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:101 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!9ea20e60", "long_name": "EA3HGK 🔗 Sant Llorenç d'Hortons", "short_name": "Gio", "macaddr": "nBOeog5g", "hw_model": "HELTEC_V3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!433adf3c", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2661420640, "to": 4294967295, "id": 441653080, "rx_time": 1765963083, "rx_snr": -1.0, "rx_rssi": -88, "hop_limit": 0, "hop_start": 3, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 0, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213965613230653630122345413348474b20f09f94972053616e74204c6c6f72656ec3a7206427486f72746f6e731a0347696f22069c139ea20e60282b380b4220141c7e055d37e007bded76383f8c923c3b589a9db9927ae13849cf79a4f4ac274801", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!9ea20e60", "long_name": "EA3HGK 🔗 Sant Llorenç d'Hortons", "short_name": "Gio", "macaddr": "nBOeog5g", "hw_model": "HELTEC_V3", "role": "ROUTER_LATE", "public_key": "FBx+BV034Ae97XY4P4ySPDtYmp25knrhOEnPeaT0rCc=", "is_unmessagable": true, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (101 bytes)
0a09213965613230653630122345413348474b20f09f94972053616e74204c6c6f72656ec3a7206427486f72746f6e731a0347696f22069c139ea20e60282b380b4220141c7e055d37e007bded76383f8c923c3b589a9db9927ae13849cf79a4f4ac274801
Hex Analysis:
Size:101 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 Relay Channel Timestamp Actions
EB3FWC-Girona📡-GW-868 (EB3F) Primary 0.000s
Reference 		-88.0 dBm -1.00 dB 3 - LongFast 2025-12-17 09:18:05 UTC Current
EA3HGK 🔗 Sant Llorenç d'Hortons (Gio) -12.260s
Before 		Unknown Unknown 0 60 Gio LongFast 2025-12-17 09:17:52 UTC View
CODY-ConcaDeTremp-GW-868 (CODY) -3.526s
Before 		-117.0 dBm -6.00 dB 3 f4 edf4 LongFast 2025-12-17 09:18:01 UTC View
EA3JAV-SBD-MPL2-CM-8 🏠 (MPL2) -1.686s
Before 		-58.0 dBm 6.25 dB 3 4e MPL1 LongFast 2025-12-17 09:18:03 UTC View
CV-Oriol-GW-8 📡 (CVO2) -0.253s
Before 		-107.0 dBm 2.00 dB 3 5c CV05 LongFast 2025-12-17 09:18:04 UTC View
5

Total Receptions

5

Unique Gateways