Packet #13597574 Success

NODEINFO_APP packet from Meshtastic 4a3d (4a3d) to !ffffffff

15
Total Receptions
15
Unique Gateways
3
Hop Count
80
Payload Bytes
Packet Information
Database ID: 13597574
Mesh Packet ID: 0x3d8ac02c
Used for correlation across gateways
Timestamp: 2025-10-04 19:06:40 UTC
From Node: Meshtastic 4a3d (4a3d)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Malasaña Solar ☀️ (🌇)
Channel: MediumSlow
RSSI: -103 dBm
SNR: 2.25 dBm
Hop Info: 3/3 hops
Start: 3, Limit: 0
Payload Data
Protocol: NODEINFO_APP
Size: 80 bytes
Decoded: Yes
Decoded Data:
Long Name:Meshtastic 4a3d
Short Name:4a3d
Node ID:!69674a3d
MAC Address:7dBpZ0o9
Hardware:M5STACK_RESERVED
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:!68ad5625
Channel:MediumSlow
Payload Type:NODEINFO_APP
Hop Count:3 / 3
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 !68ad5625
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 1768376893
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 3
Initial hop limit 		uint32
hops_taken 3
Calculated: hop_start - hop_limit 		derived
rx_rssi -103.0 dBm
Signal strength at gateway 		int32
rx_snr 2.25 dB
Signal quality at gateway 		float
rx_time 1759604801
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 152
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1759604800.86553
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 (3 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !68ad5625
Signal Metrics: RSSI: -103.0 dBm
SNR: 2.25 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": "!69674a3d", "long_name": "Meshtastic 4a3d", "short_name": "4a3d", "macaddr": "7dBpZ0o9", "hw_model": "M5STACK_RESERVED" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!68ad5625", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1768376893, "to": 4294967295, "id": 1032503340, "rx_time": 1759604801, "rx_snr": 2.25, "rx_rssi": -103, "hop_limit": 0, "hop_start": 3, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 152, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213639363734613364120f4d65736874617374696320346133641a04346133642206edd069674a3d2868422018630770892f8a4bf331f7b2a001aab1a98484a0ea159d608bb6f625780d8d044800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!69674a3d", "long_name": "Meshtastic 4a3d", "short_name": "4a3d", "macaddr": "7dBpZ0o9", "hw_model": "M5STACK_RESERVED", "public_key": "GGMHcIkvikvzMfeyoAGqsamEhKDqFZ1gi7b2JXgNjQQ=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (80 bytes)
0a09213639363734613364120f4d65736874617374696320346133641a04346133642206edd069674a3d2868422018630770892f8a4bf331f7b2a001aab1a98484a0ea159d608bb6f625780d8d044800
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
Malasaña Solar ☀️ (🌇) Primary 0.000s
Reference 		-103.0 dBm 2.25 dB 3 MediumSlow 2025-10-04 19:06:40 Current
Will - Azuqueca (WAzq) -3.122s
Before 		-100.0 dBm 6.50 dB 2 MediumSlow 2025-10-04 19:06:37 View
Venturada2🗼🌐☀️ (Vb2) -3.119s
Before 		-87.0 dBm 5.25 dB 2 MediumSlow 2025-10-04 19:06:37 View
Mec Rocket Meco (MRM) -3.108s
Before 		-91.0 dBm 6.75 dB 2 MediumSlow 2025-10-04 19:06:37 View
Meshtastic 18a4 (18a4) -2.809s
Before 		-119.0 dBm -10.25 dB 2 MediumSlow 2025-10-04 19:06:38 View
Meshtastic 1760 (1760) -2.806s
Before 		-133.0 dBm -15.50 dB 2 MediumSlow 2025-10-04 19:06:38 View
Baldur Fijo (BalF) -2.798s
Before 		-103.0 dBm -4.00 dB 2 MediumSlow 2025-10-04 19:06:38 View
[TLG] 📡🌐🔋🔌 (tlg0) -2.782s
Before 		-72.0 dBm 8.25 dB 2 MediumSlow 2025-10-04 19:06:38 View
Naranjo C191 🌐 (FNL) -2.763s
Before 		-113.0 dBm -6.75 dB 2 MediumSlow 2025-10-04 19:06:38 View
GRN1-Base🗼🌐 (GRN1) -1.778s
Before 		-86.0 dBm 6.75 dB 2 MediumSlow 2025-10-04 19:06:39 View
Suop 📡 🌐 (SUOP) -0.349s
Before 		-115.0 dBm -6.00 dB 3 MediumSlow 2025-10-04 19:06:40 View
Kenobi23 QTH (5aec) -0.261s
Before 		-101.0 dBm 1.00 dB 3 MediumSlow 2025-10-04 19:06:40 View
Rodashtastic🗼🌐 (RDSt) -0.229s
Before 		-125.0 dBm -16.75 dB 3 MediumSlow 2025-10-04 19:06:40 View
🌐Charly Torre 2🛰 (C182) +1805.398s
After 		-123.0 dBm -12.75 dB 3 MediumSlow 2025-10-04 19:36:46 View
Arganda C191 🌐 (ARG) +9897.010s
After 		-104.0 dBm 5.00 dB 2 MediumSlow 2025-10-04 21:51:37 View
15

Total Receptions

15

Unique Gateways