Packet #28271335 Success

NODEINFO_APP packet from Lalo base solar (REPE) to DULCINEA Albacete (LUIS)

5
Total Receptions
5
Unique Gateways
4
Hop Count
80
Payload Bytes
Packet Information
Database ID: 28271335
Mesh Packet ID: 0x550e95ba
Used for correlation across gateways
Timestamp: 2025-12-17 13:17:01 UTC
From Node: Lalo base solar (REPE)
To Node: DULCINEA Albacete (LUIS)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Albacete_01 πŸ›œ (Ab01)
Channel: MediumFast
RSSI: -112 dBm
SNR: -12.25 dBm
Hop Info: 4/4 hops
Start: 4, Limit: 0
Relay Node: 47 EAL2
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: 80 bytes
Decoded: Yes
Decoded Data:
Long Name:Lalo base solar
Short Name:REPE
Node ID:!00d93aec
MAC Address:jE8A2Trs
Hardware:HELTEC_V2_0
Raw Packet Analysis
Complete field breakdown and MQTT privacy/exposure analysis
Packet Structure
MQTT Packet Flow:
ServiceEnvelope (MQTT layer) β†’ MeshPacket (Mesh layer) β†’ Decoded Payload (Application data)
Total Size:80 bytes
Gateway:!a0cc16fc
Channel:MediumFast
Payload Type:NODEINFO_APP
Hop Count:4 / 4
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
βœ“ Direct LoRa transmission (not via MQTT)
βœ“ Targeted to specific node
+ 2 more...
Exposure Risks:
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (4 hops)
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !a0cc16fc
Node ID format
channel_id MediumFast
packet MeshPacket (80 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 14236396
Source node ID
uint32
to 3677295492
Target node ID
uint32
decoded.portnum 4
NODEINFO_APP
enum
decoded.payload_length 80 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 -112.0 dBm
Signal strength at gateway
int32
rx_snr -12.25 dB
Signal quality at gateway
float
rx_time 1765977419
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 71
Relay node ID
uint32
tx_after Not set uint32
timestamp 1765977421.1863098
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:
  • βœ“ Direct LoRa transmission (not via MQTT)
  • βœ“ Targeted to specific node
  • βœ“ Custom channel: MediumFast
  • βœ“ Gateway node ID tracked
Exposure Risks:
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (4 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !a0cc16fc
Signal Metrics: RSSI: -112.0 dBm
SNR: -12.25 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": "!00d93aec", "long_name": "Lalo base solar", "short_name": "REPE", "macaddr": "jE8A2Trs", "hw_model": "HELTEC_V2_0" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!a0cc16fc", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 14236396, "to": 3677295492, "id": 1427019194, "rx_time": 1765977419, "rx_snr": -12.25, "rx_rssi": -112, "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": 71, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213030643933616563120f4c616c6f206261736520736f6c61721a045245504522068c4f00d93aec28054220cc075e1d3ca74b94e73b6abc9be49adc5fff54a8a0ae9ec376b355742cb457244800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!00d93aec", "long_name": "Lalo base solar", "short_name": "REPE", "macaddr": "jE8A2Trs", "hw_model": "HELTEC_V2_0", "public_key": "zAdeHTynS5TnO2q8m+Sa3F//VKigrp7DdrNVdCy0VyQ=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (80 bytes)
0a09213030643933616563120f4c616c6f206261736520736f6c61721a045245504522068c4f00d93aec28054220cc075e1d3ca74b94e73b6abc9be49adc5fff54a8a0ae9ec376b355742cb457244800
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...

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 πŸ›œ (Ab01) Primary 0.000s
Reference
-112.0 dBm -12.25 dB 4 47 EAL2 MediumFast 2025-12-17 13:17:01 UTC Current
EA5WA TRASTERO (WA01) -2.852s
Before
-111.0 dBm -7.00 dB 3 a4 πŸ“ , NOD4 MediumFast 2025-12-17 13:16:58 UTC View
EAL Station 1 πŸ—ΌπŸŒ (EAL1) -2.832s
Before
-112.0 dBm -6.75 dB 3 a4 πŸ“ , NOD4 MediumFast 2025-12-17 13:16:58 UTC View
πŸ‡ͺπŸ‡ΈVARON DANDYπŸ“Ÿβš‘πŸŒπŸŒπŸ•Ί (NOD1) -2.468s
Before
-136.0 dBm -12.00 dB 3 - MediumFast 2025-12-17 13:16:58 UTC View
San_PabloπŸ—Ό (SP00) -0.863s
Before
-98.0 dBm 8.00 dB 4 98 GTE MediumFast 2025-12-17 13:17:00 UTC View
5

Total Receptions

5

Unique Gateways