Packet #29285420 Success

NODEINFO_APP packet from Otto_Base_2 (Ott2) to Sierra norte Madrid ⛰️🗼🌞 (SNM)

5
Total Receptions
5
Unique Gateways
3
Hop Count
76
Payload Bytes
Packet Information
Database ID: 29285420
Mesh Packet ID: 0xbe28bce1
Used for correlation across gateways
Timestamp: 2025-12-22 05:09:27 UTC
From Node: Otto_Base_2 (Ott2)
To Node: Sierra norte Madrid ⛰️🗼🌞 (SNM)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Eagle’s Nest (EAGL)
Channel: MediumFast
RSSI: -112 dBm
SNR: -2.0 dBm
Hop Info: 3/3 hops
Start: 3, Limit: 0
Relay Node: a4 Raq1
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: 76 bytes
Decoded: Yes
Decoded Data:
Long Name:Otto_Base_2
Short Name:Ott2
Node ID:!27b2591f
MAC Address:4HEnslkf
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:76 bytes
Gateway:!435bb780
Channel:MediumFast
Payload Type:NODEINFO_APP
Hop Count:3 / 3
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 2 more...
Exposure Risks:
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (3 hops)
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !435bb780
Node ID format
channel_id MediumFast
packet MeshPacket (76 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 665999647
Source node ID 		uint32
to 1129719940
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 76 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 -112.0 dBm
Signal strength at gateway 		int32
rx_snr -2.00 dB
Signal quality at gateway 		float
rx_time 1766380130
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 164
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1766380167.8679664
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
  • ✓ Custom channel: MediumFast
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (3 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !435bb780
Signal Metrics: RSSI: -112.0 dBm
SNR: -2.00 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:76 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!27b2591f", "long_name": "Otto_Base_2", "short_name": "Ott2", "macaddr": "4HEnslkf", "hw_model": "NRF52_PROMICRO_DIY" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!435bb780", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 665999647, "to": 1129719940, "id": 3190340833, "rx_time": 1766380130, "rx_snr": -2.0, "rx_rssi": -112, "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": 164, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213237623235393166120b4f74746f5f426173655f321a044f7474322206e07127b2591f283f4220be3cffa42aaa77ee497547a1d8a5d28c11218482f11249475e969f45eed1ad344800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!27b2591f", "long_name": "Otto_Base_2", "short_name": "Ott2", "macaddr": "4HEnslkf", "hw_model": "NRF52_PROMICRO_DIY", "public_key": "vjz/pCqqd+5JdUeh2KXSjBEhhILxEklHXpafRe7RrTQ=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (76 bytes)
0a09213237623235393166120b4f74746f5f426173655f321a044f7474322206e07127b2591f283f4220be3cffa42aaa77ee497547a1d8a5d28c11218482f11249475e969f45eed1ad344800
Hex Analysis:
Size:76 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
Eagle’s Nest (EAGL) Primary 0.000s
Reference 		-112.0 dBm -2.00 dB 3 a4 Raq1 MediumFast 2025-12-22 05:09:27 UTC Current
🤖 Nicolas Cage 🌐 (Cage) -3.183s
Before 		-32.0 dBm 10.75 dB 0 1f Ott2 MediumFast 2025-12-22 05:09:24 UTC View
Skynet (Sky) -3.180s
Before 		-27.0 dBm 10.25 dB 0 1f Ott2 MediumFast 2025-12-22 05:09:24 UTC View
Karabanchel_Baldur (KarB) -1.395s
Before 		-96.0 dBm 1.75 dB 1 1c 🐷 MediumFast 2025-12-22 05:09:26 UTC View
tizon (Sylv) -1.091s
Before 		-103.0 dBm 3.75 dB 1 1c 🐷 MediumFast 2025-12-22 05:09:26 UTC View
5

Total Receptions

5

Unique Gateways