Packet #10739542 Success

NODEINFO_APP packet from Meshtastic d72b (d72b) to !ffffffff

13
Total Receptions
13
Unique Gateways
5
Hop Count
80
Payload Bytes
Packet Information
Database ID: 10739542
Mesh Packet ID: 0x3650b019
Used for correlation across gateways
Timestamp: 2025-09-15 17:13:15 UTC
From Node: Meshtastic d72b (d72b)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Perseo 📡 🌐 (nvm1)
Channel: MediumSlow
RSSI: -87 dBm
SNR: 6.0 dBm
Hop Info: 5/5 hops
Start: 5, Limit: 0
Payload Data
Protocol: NODEINFO_APP
Size: 80 bytes
Decoded: Yes
Decoded Data:
Long Name:Meshtastic d72b
Short Name:d72b
Node ID:!7705d72b
MAC Address:z8B3Bdcr
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:!a0352788
Channel:MediumSlow
Payload Type:NODEINFO_APP
Hop Count:5 / 5
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumSlow
+ 1 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !a0352788
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 1996871467
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 80 bytes size
hop_limit Not set uint32
hop_start 5
Initial hop limit 		uint32
hops_taken 5
Calculated: hop_start - hop_limit 		derived
rx_rssi -87.0 dBm
Signal strength at gateway 		int32
rx_snr 6.00 dB
Signal quality at gateway 		float
rx_time 1757956394
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 132
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1757956395.668749
Unix timestamp 		uint32
MQTT Privacy & Exposure Analysis

Analysis of privacy features and exposure risks when packet is shared via MQTT

Exposure Level: Broadcast
Privacy Features:
  • ✓ Direct LoRa transmission (not via MQTT)
  • ✓ Custom channel: MediumSlow
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (5 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !a0352788
Signal Metrics: RSSI: -87.0 dBm
SNR: 6.00 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": "!7705d72b", "long_name": "Meshtastic d72b", "short_name": "d72b", "macaddr": "z8B3Bdcr", "hw_model": "NRF52_PROMICRO_DIY" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!a0352788", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1996871467, "to": 4294967295, "id": 911257625, "rx_time": 1757956394, "rx_snr": 6.0, "rx_rssi": -87, "hop_limit": 0, "hop_start": 5, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 132, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213737303564373262120f4d65736874617374696320643732621a04643732622206cfc07705d72b283f3801422068174189bd868e1ade9a203e4c4c73b721571a17a9ba6b7e44499d5038e27878", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!7705d72b", "long_name": "Meshtastic d72b", "short_name": "d72b", "macaddr": "z8B3Bdcr", "hw_model": "NRF52_PROMICRO_DIY", "role": "CLIENT_MUTE", "public_key": "aBdBib2GjhremiA+TExztyFXGhepumt+REmdUDjieHg=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (80 bytes)
0a09213737303564373262120f4d65736874617374696320643732621a04643732622206cfc07705d72b283f3801422068174189bd868e1ade9a203e4c4c73b721571a17a9ba6b7e44499d5038e27878
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
Perseo 📡 🌐 (nvm1) Primary 0.000s
Reference 		-87.0 dBm 6.00 dB 5 MediumSlow 2025-09-15 17:13:15 Current
Venturada2🗼🌐☀️ (Vb2) -4.815s
Before 		-114.0 dBm -16.75 dB 4 MediumSlow 2025-09-15 17:13:10 View
Will - Azuqueca (WAzq) -3.904s
Before 		-113.0 dBm -12.50 dB 5 MediumSlow 2025-09-15 17:13:11 View
Meshtastic 1760 (1760) -3.652s
Before 		-133.0 dBm -14.00 dB 5 MediumSlow 2025-09-15 17:13:12 View
Rodashtastic🗼🌐 (RDSt) -3.648s
Before 		-114.0 dBm -5.75 dB 5 MediumSlow 2025-09-15 17:13:12 View
Venturada base🗼🌐 (Vb) -3.645s
Before 		-88.0 dBm 8.50 dB 5 MediumSlow 2025-09-15 17:13:12 View
Tlgo 📡🌐🔋🔌 (TLG0) -3.640s
Before 		-112.0 dBm -7.50 dB 5 MediumSlow 2025-09-15 17:13:12 View
Meshtastic fbec (fbec) -3.622s
Before 		-126.0 dBm -6.50 dB 5 MediumSlow 2025-09-15 17:13:12 View
@lazynoda cocidito 🥵 🗼🌐 (LNCM) -3.616s
Before 		-111.0 dBm 0.75 dB 5 MediumSlow 2025-09-15 17:13:12 View
Ocumare_Base_🗼🌐 (CATA) -2.913s
Before 		-115.0 dBm -12.00 dB 5 MediumSlow 2025-09-15 17:13:12 View
GRN1-Base🗼🌐 (GRN1) -1.562s
Before 		-110.0 dBm -0.75 dB 5 MediumSlow 2025-09-15 17:13:14 View
Mec Rocket Meco (MRM) +0.008s
After 		-95.0 dBm 3.50 dB 5 MediumSlow 2025-09-15 17:13:15 View
Meshtastic 18a4 (18a4) +0.248s
After 		-126.0 dBm -14.50 dB 5 MediumSlow 2025-09-15 17:13:15 View
13

Total Receptions

13

Unique Gateways