Packet #10016462 Success

NODEINFO_APP packet from Meshtastic 1490 (1490) to Sierra norte Madrid ⛰️🗼🌞 (SNM)

17
Total Receptions
17
Unique Gateways
3
Hop Count
80
Payload Bytes
Packet Information
Database ID: 10016462
Mesh Packet ID: 0x83c97fe4
Used for correlation across gateways
Timestamp: 2025-09-10 20:52:50 UTC
From Node: Meshtastic 1490 (1490)
To Node: Sierra norte Madrid ⛰️🗼🌞 (SNM)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: GRN1-Base🗼🌐 (GRN1)
Channel: MediumSlow
RSSI: -99 dBm
SNR: 5.5 dBm
Hop Info: 3/4 hops
Start: 4, Limit: 1
Payload Data
Protocol: NODEINFO_APP
Size: 80 bytes
Decoded: Yes
Decoded Data:
Long Name:Meshtastic 1490
Short Name:1490
Node ID:!db2b1490
MAC Address:EFHbKxSQ
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:80 bytes
Gateway:!43b706e8
Channel:MediumSlow
Payload Type:NODEINFO_APP
Hop Count:3 / 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 (3 hops)
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !43b706e8
Node ID format
channel_id MediumSlow
packet MeshPacket (80 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3677033616
Source node ID 		uint32
to 1129719940
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 80 bytes size
hop_limit 1
Remaining hops allowed 		uint32
hop_start 4
Initial hop limit 		uint32
hops_taken 3
Calculated: hop_start - hop_limit 		derived
rx_rssi -99.0 dBm
Signal strength at gateway 		int32
rx_snr 5.50 dB
Signal quality at gateway 		float
rx_time 1757537567
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 8
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1757537570.4964602
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 (3 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !43b706e8
Signal Metrics: RSSI: -99.0 dBm
SNR: 5.50 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": "!db2b1490", "long_name": "Meshtastic 1490", "short_name": "1490", "macaddr": "EFHbKxSQ", "hw_model": "HELTEC_V3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!43b706e8", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3677033616, "to": 1129719940, "id": 2211020772, "rx_time": 1757537567, "rx_snr": 5.5, "rx_rssi": -99, "hop_limit": 1, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 8, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09216462326231343930120f4d65736874617374696320313439301a043134393022061051db2b1490282b38014220e4a44318deed49692d0075ca25fb75330df30793e756af6f12d9304f5f813876", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!db2b1490", "long_name": "Meshtastic 1490", "short_name": "1490", "macaddr": "EFHbKxSQ", "hw_model": "HELTEC_V3", "role": "CLIENT_MUTE", "public_key": "5KRDGN7tSWktAHXKJft1Mw3zB5PnVq9vEtkwT1+BOHY=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (80 bytes)
0a09216462326231343930120f4d65736874617374696320313439301a043134393022061051db2b1490282b38014220e4a44318deed49692d0075ca25fb75330df30793e756af6f12d9304f5f813876
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 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
GRN1-Base🗼🌐 (GRN1) Primary 0.000s
Reference 		-99.0 dBm 5.50 dB 3 MediumSlow 2025-09-10 20:52:50 Current
Ocumare_Base_🗼🌐 (CATA) -0.802s
Before 		-112.0 dBm -16.00 dB 3 MediumSlow 2025-09-10 20:52:49 View
Will - Azuqueca (WAzq) -0.567s
Before 		-111.0 dBm -16.00 dB 3 MediumSlow 2025-09-10 20:52:49 View
Venturada base🗼🌐 (Vb) -0.542s
Before 		-86.0 dBm 9.25 dB 3 MediumSlow 2025-09-10 20:52:49 View
Venturada2🗼🌐☀️ (Vb2) -0.515s
Before 		-94.0 dBm 0.25 dB 3 MediumSlow 2025-09-10 20:52:49 View
Meshtastic fbec (fbec) -0.324s
Before 		-123.0 dBm -3.50 dB 3 MediumSlow 2025-09-10 20:52:50 View
@lazynoda cocidito 🥵 🗼🌐 (LNCM) -0.228s
Before 		-110.0 dBm 2.00 dB 3 MediumSlow 2025-09-10 20:52:50 View
Machu Pichu (MaPi) -0.201s
Before 		-94.0 dBm 1.50 dB 3 MediumSlow 2025-09-10 20:52:50 View
SkG@Somewhere 🤨 (SkGs) -0.143s
Before 		-115.0 dBm -10.25 dB 3 MediumSlow 2025-09-10 20:52:50 View
Tlgo 📡🌐🔋🔌 (TLG0) -0.137s
Before 		-112.0 dBm -5.75 dB 3 MediumSlow 2025-09-10 20:52:50 View
Zion 🗼 (Zion) +0.401s
After 		-105.0 dBm -9.50 dB 4 MediumSlow 2025-09-10 20:52:50 View
Malasaña Solar ☀️ (🌇) +0.589s
After 		-123.0 dBm -14.25 dB 4 MediumSlow 2025-09-10 20:52:51 View
Mec Rocket Meco (MRM) +1.015s
After 		-34.0 dBm 8.75 dB 4 MediumSlow 2025-09-10 20:52:51 View
Perseo 🗼🌐 (nvm1) +1.584s
After 		-97.0 dBm -1.00 dB 4 MediumSlow 2025-09-10 20:52:52 View
MeshPrepper (MP) +1.762s
After 		-121.0 dBm -12.75 dB 4 MediumSlow 2025-09-10 20:52:52 View
Rodashtastic🗼🌐 (RDSt) +1.802s
After 		-123.0 dBm -15.25 dB 4 MediumSlow 2025-09-10 20:52:52 View
Meshtastic c498📡🌐 (C498) +2.826s
After 		-113.0 dBm -11.00 dB 4 MediumSlow 2025-09-10 20:52:53 View
17

Total Receptions

17

Unique Gateways