Packet #10016464 Success

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

17
Total Receptions
17
Unique Gateways
4
Hop Count
80
Payload Bytes
Packet Information
Database ID: 10016464
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: Zion 🗼 (Zion)
Channel: MediumSlow
RSSI: -105 dBm
SNR: -9.5 dBm
Hop Info: 4/4 hops
Start: 4, Limit: 0
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:!849c2e30
Channel:MediumSlow
Payload Type:NODEINFO_APP
Hop Count:4 / 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 (4 hops)
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !849c2e30
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 Not set uint32
hop_start 4
Initial hop limit 		uint32
hops_taken 4
Calculated: hop_start - hop_limit 		derived
rx_rssi -105.0 dBm
Signal strength at gateway 		int32
rx_snr -9.50 dB
Signal quality at gateway 		float
rx_time 1757537570
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 160
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1757537570.8971813
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 (4 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !849c2e30
Signal Metrics: RSSI: -105.0 dBm
SNR: -9.50 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": "!849c2e30", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3677033616, "to": 1129719940, "id": 2211020772, "rx_time": 1757537570, "rx_snr": -9.5, "rx_rssi": -105, "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": 160, "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
Zion 🗼 (Zion) Primary 0.000s
Reference 		-105.0 dBm -9.50 dB 4 MediumSlow 2025-09-10 20:52:50 Current
Ocumare_Base_🗼🌐 (CATA) -1.203s
Before 		-112.0 dBm -16.00 dB 3 MediumSlow 2025-09-10 20:52:49 View
Will - Azuqueca (WAzq) -0.968s
Before 		-111.0 dBm -16.00 dB 3 MediumSlow 2025-09-10 20:52:49 View
Venturada base🗼🌐 (Vb) -0.943s
Before 		-86.0 dBm 9.25 dB 3 MediumSlow 2025-09-10 20:52:49 View
Venturada2🗼🌐☀️ (Vb2) -0.916s
Before 		-94.0 dBm 0.25 dB 3 MediumSlow 2025-09-10 20:52:49 View
Meshtastic fbec (fbec) -0.725s
Before 		-123.0 dBm -3.50 dB 3 MediumSlow 2025-09-10 20:52:50 View
@lazynoda cocidito 🥵 🗼🌐 (LNCM) -0.629s
Before 		-110.0 dBm 2.00 dB 3 MediumSlow 2025-09-10 20:52:50 View
Machu Pichu (MaPi) -0.602s
Before 		-94.0 dBm 1.50 dB 3 MediumSlow 2025-09-10 20:52:50 View
SkG@Somewhere 🤨 (SkGs) -0.544s
Before 		-115.0 dBm -10.25 dB 3 MediumSlow 2025-09-10 20:52:50 View
Tlgo 📡🌐🔋🔌 (TLG0) -0.538s
Before 		-112.0 dBm -5.75 dB 3 MediumSlow 2025-09-10 20:52:50 View
GRN1-Base🗼🌐 (GRN1) -0.401s
Before 		-99.0 dBm 5.50 dB 3 MediumSlow 2025-09-10 20:52:50 View
Malasaña Solar ☀️ (🌇) +0.188s
After 		-123.0 dBm -14.25 dB 4 MediumSlow 2025-09-10 20:52:51 View
Mec Rocket Meco (MRM) +0.615s
After 		-34.0 dBm 8.75 dB 4 MediumSlow 2025-09-10 20:52:51 View
Perseo 🗼🌐 (nvm1) +1.184s
After 		-97.0 dBm -1.00 dB 4 MediumSlow 2025-09-10 20:52:52 View
MeshPrepper (MP) +1.362s
After 		-121.0 dBm -12.75 dB 4 MediumSlow 2025-09-10 20:52:52 View
Rodashtastic🗼🌐 (RDSt) +1.401s
After 		-123.0 dBm -15.25 dB 4 MediumSlow 2025-09-10 20:52:52 View
Meshtastic c498📡🌐 (C498) +2.425s
After 		-113.0 dBm -11.00 dB 4 MediumSlow 2025-09-10 20:52:53 View
17

Total Receptions

17

Unique Gateways