Packet #10448343 Success

NODEINFO_APP packet from Carlos 3d56 🗼☀️ (3d56) to Sierra norte Madrid ⛰️🗼🌞 (SNM)

12
Total Receptions
12
Unique Gateways
2
Hop Count
87
Payload Bytes
Packet Information
Database ID: 10448343
Mesh Packet ID: 0x9a5235cc
Used for correlation across gateways
Timestamp: 2025-09-13 17:47:29 UTC
From Node: Carlos 3d56 🗼☀️ (3d56)
To Node: Sierra norte Madrid ⛰️🗼🌞 (SNM)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Meshtastic c498📡🌐 (C498)
Channel: MediumSlow
RSSI: -116 dBm
SNR: -15.25 dBm
Hop Info: 2/4 hops
Start: 4, Limit: 2
Payload Data
Protocol: NODEINFO_APP
Size: 87 bytes
Decoded: Yes
Decoded Data:
Long Name:Carlos 3d56 🗼☀️
Short Name:3d56
Node ID:!845a3d56
MAC Address:8uyEWj1W
Hardware:XIAO_NRF52_KIT
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:87 bytes
Gateway:!7c5ac498
Channel:MediumSlow
Payload Type:NODEINFO_APP
Hop Count:2 / 4
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 (2 hops)
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !7c5ac498
Node ID format
channel_id MediumSlow
packet MeshPacket (87 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2220506454
Source node ID 		uint32
to 1129719940
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 87 bytes size
hop_limit 2
Remaining hops allowed 		uint32
hop_start 4
Initial hop limit 		uint32
hops_taken 2
Calculated: hop_start - hop_limit 		derived
rx_rssi -116.0 dBm
Signal strength at gateway 		int32
rx_snr -15.25 dB
Signal quality at gateway 		float
rx_time 1757785647
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 1757785649.4068022
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: MediumSlow
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (2 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !7c5ac498
Signal Metrics: RSSI: -116.0 dBm
SNR: -15.25 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:87 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!845a3d56", "long_name": "Carlos 3d56 🗼☀️", "short_name": "3d56", "macaddr": "8uyEWj1W", "hw_model": "XIAO_NRF52_KIT" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!7c5ac498", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2220506454, "to": 1129719940, "id": 2589078988, "rx_time": 1757785647, "rx_snr": -15.25, "rx_rssi": -116, "hop_limit": 2, "hop_start": 4, "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": "0a0921383435613364353612164361726c6f73203364353620f09f97bce29880efb88f1a04336435362206f2ec845a3d562858422044d774a6c624a0a121be64544b8b44b394fd5b9170a31bd23d5a6631d8a464024801", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!845a3d56", "long_name": "Carlos 3d56 🗼☀️", "short_name": "3d56", "macaddr": "8uyEWj1W", "hw_model": "XIAO_NRF52_KIT", "public_key": "RNd0psYkoKEhvmRUS4tEs5T9W5FwoxvSPVpmMdikZAI=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (87 bytes)
0a0921383435613364353612164361726c6f73203364353620f09f97bce29880efb88f1a04336435362206f2ec845a3d562858422044d774a6c624a0a121be64544b8b44b394fd5b9170a31bd23d5a6631d8a464024801
Hex Analysis:
Size:87 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
Meshtastic c498📡🌐 (C498) Primary 0.000s
Reference 		-116.0 dBm -15.25 dB 2 MediumSlow 2025-09-13 17:47:29 Current
Perseo 🗼🌐 (nvm1) -3.655s
Before 		-101.0 dBm -8.25 dB 0 MediumSlow 2025-09-13 17:47:25 View
Venturada2🗼🌐☀️ (Vb2) -1.517s
Before 		-93.0 dBm 1.75 dB 1 MediumSlow 2025-09-13 17:47:27 View
@lazynoda cocidito 🥵 🗼🌐 (LNCM) -1.214s
Before 		-110.0 dBm -1.00 dB 1 MediumSlow 2025-09-13 17:47:28 View
Venturada base🗼🌐 (Vb) -1.186s
Before 		-91.0 dBm 7.75 dB 1 MediumSlow 2025-09-13 17:47:28 View
Rainbow (Jen4) -0.485s
Before 		-55.0 dBm 8.75 dB 2 MediumSlow 2025-09-13 17:47:28 View
Mec Rocket Meco (MRM) -0.238s
Before 		-102.0 dBm 0.25 dB 2 MediumSlow 2025-09-13 17:47:29 View
Meshtastic fbec (fbec) -0.229s
Before 		-124.0 dBm -5.00 dB 1 MediumSlow 2025-09-13 17:47:29 View
GRN1-Base🗼🌐 (GRN1) +0.124s
After 		-114.0 dBm -7.00 dB 2 MediumSlow 2025-09-13 17:47:29 View
Ocumare_Home_📱⚡ (RRN) +0.171s
After 		-88.0 dBm 7.00 dB 2 MediumSlow 2025-09-13 17:47:29 View
MeshPrepper (MP) +2.105s
After 		-122.0 dBm -15.75 dB 3 MediumSlow 2025-09-13 17:47:31 View
🌐Charly Unid Movil🛰 (C181) +48.550s
After 		-117.0 dBm -13.00 dB 1 MediumSlow 2025-09-13 17:48:17 View
12

Total Receptions

12

Unique Gateways