Packet #29907742 Success

NODEINFO_APP packet from 🇪🇦LA ALCAYNA📟⚡🌍 SOLAR (NOD8) to !ffffffff

11
Total Receptions
11
Unique Gateways
7
Hop Count
100
Payload Bytes
Packet Information
Database ID: 29907742
Mesh Packet ID: 0xb7a7c4eb
Used for correlation across gateways
Timestamp: 2025-12-24 21:27:30 UTC
From Node: 🇪🇦LA ALCAYNA📟⚡🌍 SOLAR (NOD8)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Albacete_01 🛜 (Ab01)
Channel: MediumFast
RSSI: -118 dBm
SNR: -6.0 dBm
Hop Info: 7/7 hops
Start: 7, Limit: 0
Relay Node: d8 HIR0
Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions
Payload Data
Protocol: NODEINFO_APP
Size: 100 bytes
Decoded: Yes
Decoded Data:
Long Name:🇪🇦LA ALCAYNA📟⚡🌍 SOLAR
Short Name:NOD8
Node ID:!df3107bc
MAC Address:7p3fMQe8
Hardware:NRF52_PROMICRO_DIY
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:100 bytes
Gateway:!a0cc16fc
Channel:MediumFast
Payload Type:NODEINFO_APP
Hop Count:7 / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 1 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !a0cc16fc
Node ID format
channel_id MediumFast
packet MeshPacket (100 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3744532412
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 100 bytes size
hop_limit Not set uint32
hop_start 7
Initial hop limit 		uint32
hops_taken 7
Calculated: hop_start - hop_limit 		derived
rx_rssi -118.0 dBm
Signal strength at gateway 		int32
rx_snr -6.00 dB
Signal quality at gateway 		float
rx_time 1766611649
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 216
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1766611650.7342794
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:
  • ✓ Direct LoRa transmission (not via MQTT)
  • ✓ Custom channel: MediumFast
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (7 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !a0cc16fc
Signal Metrics: RSSI: -118.0 dBm
SNR: -6.00 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:100 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!df3107bc", "long_name": "🇪🇦LA ALCAYNA📟⚡🌍 SOLAR", "short_name": "NOD8", "macaddr": "7p3fMQe8", "hw_model": "NRF52_PROMICRO_DIY" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!a0cc16fc", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3744532412, "to": 4294967295, "id": 3081225451, "rx_time": 1766611649, "rx_snr": -6.0, "rx_rssi": -118, "hop_limit": 0, "hop_start": 7, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 216, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a092164663331303762631223f09f87aaf09f87a64c4120414c4341594e41f09f939fe29aa1f09f8c8d20534f4c41521a044e4f44382206ee9ddf3107bc283f42209daaf809afd5f32aebe4665c732dcef7417a430586d7c3cd2e1358ace4e243054800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!df3107bc", "long_name": "🇪🇦LA ALCAYNA📟⚡🌍 SOLAR", "short_name": "NOD8", "macaddr": "7p3fMQe8", "hw_model": "NRF52_PROMICRO_DIY", "public_key": "nar4Ca/V8yrr5GZccy3O90F6QwWG18PNLhNYrOTiQwU=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (100 bytes)
0a092164663331303762631223f09f87aaf09f87a64c4120414c4341594e41f09f939fe29aa1f09f8c8d20534f4c41521a044e4f44382206ee9ddf3107bc283f42209daaf809afd5f32aebe4665c732dcef7417a430586d7c3cd2e1358ace4e243054800
Hex Analysis:
Size:100 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
Albacete_01 🛜 (Ab01) Primary 0.000s
Reference 		-118.0 dBm -6.00 dB 7 d8 HIR0 MediumFast 2025-12-24 21:27:30 UTC Current
EAL Station 1 🗼🌐 (EAL1) -4.829s
Before 		-110.0 dBm -6.25 dB 3 a4 📍 MediumFast 2025-12-24 21:27:25 UTC View
NarKT3S3📡 (NKT3) -3.493s
Before 		-87.0 dBm 9.25 dB 6 2a GNS0 , NKCD MediumFast 2025-12-24 21:27:27 UTC View
ROQUETAS 2 - EA7HMB ☀️🗼 (RQT2) -3.222s
Before 		-99.0 dBm -9.00 dB 4 0f AL11 MediumFast 2025-12-24 21:27:27 UTC View
Karman’s HeltecV4 Beta (KHV4) -2.963s
Before 		-103.0 dBm -12.25 dB 6 74 CN1 MediumFast 2025-12-24 21:27:27 UTC View
CARREFOUR ea5wa (WA01) -2.834s
Before 		-84.0 dBm 10.25 dB 5 bd 5iAB MediumFast 2025-12-24 21:27:27 UTC View
JP Terraza (JPT1) -2.623s
Before 		-105.0 dBm -5.25 dB 6 74 CN1 MediumFast 2025-12-24 21:27:28 UTC View
San_Pablo🗼 (SP00) -1.641s
Before 		-108.0 dBm -0.50 dB 6 38 MIK1 MediumFast 2025-12-24 21:27:29 UTC View
Alex (A.MC) -1.300s
Before 		-112.0 dBm -2.75 dB 7 f7 VALL MediumFast 2025-12-24 21:27:29 UTC View
EA8EE_Albacete (EA8E) +14.747s
After 		-101.0 dBm -3.75 dB 6 38 MIK1 MediumFast 2025-12-24 21:27:45 UTC View
El_chito_portatil (Chpo) +23.888s
After 		-122.0 dBm -11.75 dB 5 fa ALTA MediumFast 2025-12-24 21:27:54 UTC View
11

Total Receptions

11

Unique Gateways