Packet #14078507 Success

NODEINFO_APP packet from Meshtastic 7669 (7669) to Sierra norte Madrid ⛰️🗼🌞 (SNM)

20
Total Receptions
20
Unique Gateways
4
Hop Count
80
Payload Bytes
Packet Information
Database ID: 14078507
Mesh Packet ID: 0xdd9186ed
Used for correlation across gateways
Timestamp: 2025-10-07 22:11:43 UTC
From Node: Meshtastic 7669 (7669)
To Node: Sierra norte Madrid ⛰️🗼🌞 (SNM)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Kenobi23 QTH (5aec)
Channel: MediumSlow
RSSI: -100 dBm
SNR: -0.25 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 7669
Short Name:7669
Node ID:!84e87669
MAC Address:8EGE6HZp
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:80 bytes
Gateway:!9ea15aec
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 !9ea15aec
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 2229827177
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 -100.0 dBm
Signal strength at gateway 		int32
rx_snr -0.25 dB
Signal quality at gateway 		float
rx_time 1759875101
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 245
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1759875103.1378167
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: !9ea15aec
Signal Metrics: RSSI: -100.0 dBm
SNR: -0.25 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": "!84e87669", "long_name": "Meshtastic 7669", "short_name": "7669", "macaddr": "8EGE6HZp", "hw_model": "NRF52_PROMICRO_DIY" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!9ea15aec", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2229827177, "to": 1129719940, "id": 3717301997, "rx_time": 1759875101, "rx_snr": -0.25, "rx_rssi": -100, "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": 245, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213834653837363639120f4d65736874617374696320373636391a04373636392206f04184e87669283f4220663b1acd7378dccbdc2661f433904d160e67636974e84ce9a92e9b43c785b7684800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!84e87669", "long_name": "Meshtastic 7669", "short_name": "7669", "macaddr": "8EGE6HZp", "hw_model": "NRF52_PROMICRO_DIY", "public_key": "ZjsazXN43MvcJmH0M5BNFg5nY2l06EzpqS6bQ8eFt2g=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (80 bytes)
0a09213834653837363639120f4d65736874617374696320373636391a04373636392206f04184e87669283f4220663b1acd7378dccbdc2661f433904d160e67636974e84ce9a92e9b43c785b7684800
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
Kenobi23 QTH (5aec) Primary 0.000s
Reference 		-100.0 dBm -0.25 dB 4 MediumSlow 2025-10-07 22:11:43 Current
Will - Azuqueca (WAzq) -3.729s
Before 		-105.0 dBm 4.25 dB 2 MediumSlow 2025-10-07 22:11:39 View
Venturada2🗼🌐☀️ (Vb2) -3.722s
Before 		-96.0 dBm 1.25 dB 2 MediumSlow 2025-10-07 22:11:39 View
Mec Rocket Meco (MRM) -3.718s
Before 		-83.0 dBm 8.50 dB 2 MediumSlow 2025-10-07 22:11:39 View
Glitchs Azuqueca 📡 (GltA) -3.369s
Before 		-118.0 dBm -8.25 dB 2 MediumSlow 2025-10-07 22:11:39 View
XiaoWatt c4c8 🌐🔌 (c4c8) -2.884s
Before 		-101.0 dBm 5.50 dB 3 MediumSlow 2025-10-07 22:11:40 View
Machu Pichu (MaPi) -2.670s
Before 		-100.0 dBm -2.75 dB 3 MediumSlow 2025-10-07 22:11:40 View
[TLG] 📡🌐🔋🔌 (tlg0) -2.615s
Before 		-119.0 dBm -12.00 dB 3 MediumSlow 2025-10-07 22:11:40 View
GRN1-Base🗼🌐 (GRN1) -2.612s
Before 		-90.0 dBm 6.25 dB 3 MediumSlow 2025-10-07 22:11:40 View
Meshtastic 1760 (1760) -1.987s
Before 		-127.0 dBm -10.00 dB 3 MediumSlow 2025-10-07 22:11:41 View
Quass002 ☄️ (Q002) -1.794s
Before 		-125.0 dBm -14.25 dB 3 MediumSlow 2025-10-07 22:11:41 View
Quass001 ☄️ (Q001) -1.779s
Before 		-109.0 dBm -1.25 dB 3 MediumSlow 2025-10-07 22:11:41 View
Rodashtastic🗼🌐 (RDSt) -0.878s
Before 		-115.0 dBm -6.75 dB 4 MediumSlow 2025-10-07 22:11:42 View
Carbon EA4HKU (C) -0.190s
Before 		-110.0 dBm -0.25 dB 4 MediumSlow 2025-10-07 22:11:42 View
Suop 📡 🌐 (SUOP) -0.178s
Before 		-116.0 dBm -6.50 dB 4 MediumSlow 2025-10-07 22:11:42 View
Meshtastic 18a4 (18a4) -0.045s
Before 		-56.0 dBm 10.25 dB 4 MediumSlow 2025-10-07 22:11:43 View
Baldur Fijo (BalF) +18.298s
After 		-109.0 dBm -6.00 dB 4 MediumSlow 2025-10-07 22:12:01 View
tizon (Sylv) +18.300s
After 		-108.0 dBm 2.25 dB 4 MediumSlow 2025-10-07 22:12:01 View
🌐Charly Unid Movil🛰 (C181) +18.611s
After 		-118.0 dBm -16.75 dB 4 MediumSlow 2025-10-07 22:12:01 View
Trasto 🐰 Va (trva) +19.308s
After 		-105.0 dBm -1.00 dB 4 MediumSlow 2025-10-07 22:12:02 View
20

Total Receptions

20

Unique Gateways