Packet #13957367 Success

NODEINFO_APP packet from Meshtastic e7aa (e7aa) to Sierra norte Madrid ⛰️🗼🌞 (SNM)

18
Total Receptions
17
Unique Gateways
4
Hop Count
82
Payload Bytes
Packet Information
Database ID: 13957367
Mesh Packet ID: 0xb9b60e8b
Used for correlation across gateways
Timestamp: 2025-10-07 05:16:07 UTC
From Node: Meshtastic e7aa (e7aa)
To Node: Sierra norte Madrid ⛰️🗼🌞 (SNM)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: tizon (Sylv)
Channel: MediumSlow
RSSI: -120 dBm
SNR: -9.75 dBm
Hop Info: 4/4 hops
Start: 4, Limit: 0
Payload Data
Protocol: NODEINFO_APP
Size: 82 bytes
Decoded: Yes
Decoded Data:
Long Name:Meshtastic e7aa
Short Name:e7aa
Node ID:!352de7aa
MAC Address:+Ik1Leeq
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:82 bytes
Gateway:!9e7809e8
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 !9e7809e8
Node ID format
channel_id MediumSlow
packet MeshPacket (82 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 892200874
Source node ID 		uint32
to 1129719940
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 82 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 -120.0 dBm
Signal strength at gateway 		int32
rx_snr -9.75 dB
Signal quality at gateway 		float
rx_time 1759814166
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 209
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1759814167.4958677
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: !9e7809e8
Signal Metrics: RSSI: -120.0 dBm
SNR: -9.75 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:82 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!352de7aa", "long_name": "Meshtastic e7aa", "short_name": "e7aa", "macaddr": "+Ik1Leeq", "hw_model": "NRF52_PROMICRO_DIY" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!9e7809e8", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 892200874, "to": 1129719940, "id": 3115716235, "rx_time": 1759814166, "rx_snr": -9.75, "rx_rssi": -120, "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": 209, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213335326465376161120f4d65736874617374696320653761611a04653761612206f889352de7aa283f3801422081454690e35a35ad3f29986e7ee3261d4efc8bc8578fabb2bab75ffcf0b4e8194800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!352de7aa", "long_name": "Meshtastic e7aa", "short_name": "e7aa", "macaddr": "+Ik1Leeq", "hw_model": "NRF52_PROMICRO_DIY", "role": "CLIENT_MUTE", "public_key": "gUVGkONaNa0/KZhufuMmHU78i8hXj6uyurdf/PC06Bk=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (82 bytes)
0a09213335326465376161120f4d65736874617374696320653761611a04653761612206f889352de7aa283f3801422081454690e35a35ad3f29986e7ee3261d4efc8bc8578fabb2bab75ffcf0b4e8194800
Hex Analysis:
Size:82 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
tizon (Sylv) Primary 0.000s
Reference 		-120.0 dBm -9.75 dB 4 MediumSlow 2025-10-07 05:16:07 Current
Venturada2🗼🌐☀️ (Vb2) -9.087s
Before 		-109.0 dBm -16.25 dB 1 MediumSlow 2025-10-07 05:15:58 View
Monolito (MoN) -7.344s
Before 		-70.0 dBm 8.50 dB 3 MediumSlow 2025-10-07 05:16:00 View
GRN1-Base🗼🌐 (GRN1) -6.927s
Before 		-97.0 dBm -1.25 dB 2 MediumSlow 2025-10-07 05:16:00 View
Mec Rocket Meco (MRM) -5.972s
Before 		-109.0 dBm -11.00 dB 3 MediumSlow 2025-10-07 05:16:01 View
[TLG] 📡🌐🔋🔌 (tlg0) -5.657s
Before 		-85.0 dBm 8.25 dB 3 MediumSlow 2025-10-07 05:16:01 View
Rodashtastic🗼🌐 (RDSt) -5.599s
Before 		-115.0 dBm -7.25 dB 3 MediumSlow 2025-10-07 05:16:01 View
Ocumare_Base_🗼🌐 (CATA) -5.325s
Before 		-94.0 dBm 5.25 dB 4 MediumSlow 2025-10-07 05:16:02 View
Quass002 ☄️ (Q002) -3.300s
Before 		-126.0 dBm -16.25 dB 3 MediumSlow 2025-10-07 05:16:04 View
Quass001 ☄️ (Q001) -3.126s
Before 		Unknown Unknown 4 MediumSlow 2025-10-07 05:16:04 View
Baldur Fijo (BalF) -2.025s
Before 		-106.0 dBm -14.75 dB 3 MediumSlow 2025-10-07 05:16:05 View
Oxygen EA4HKU (O) +2.427s
After 		-112.0 dBm -7.75 dB 4 MediumSlow 2025-10-07 05:16:09 View
g1bal (g1b0) +2.430s
After 		-111.0 dBm -12.00 dB 4 MediumSlow 2025-10-07 05:16:09 View
Meshtastic 1760 (1760) +2.634s
After 		-117.0 dBm -0.75 dB 4 MediumSlow 2025-10-07 05:16:10 View
Carbon EA4HKU (C) +2.638s
After 		-110.0 dBm -1.00 dB 4 MediumSlow 2025-10-07 05:16:10 View
Suop 📡 🌐 (SUOP) +2.672s
After 		-115.0 dBm -6.00 dB 4 MediumSlow 2025-10-07 05:16:10 View
MT14 Portatil 📡 (mtp1) +3650.967s
After 		-30.0 dBm 8.25 dB 4 MediumSlow 2025-10-07 06:16:58 View
MT14 Portatil 📡 (mtp1) +3677.997s
After 		-30.0 dBm 8.25 dB 4 MediumSlow 2025-10-07 06:17:25 View
18

Total Receptions

17

Unique Gateways