Packet #11751307 Success

NODEINFO_APP packet from Meshtastic 9fbd (9fbd) to !ffffffff

14
Total Receptions
14
Unique Gateways
4
Hop Count
80
Payload Bytes
Packet Information
Database ID: 11751307
Mesh Packet ID: 0x749a9fa4
Used for correlation across gateways
Timestamp: 2025-09-23 05:21:46 UTC
From Node: Meshtastic 9fbd (9fbd)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Meshtastic 1760 (1760)
Channel: MediumSlow
RSSI: -122 dBm
SNR: -7.5 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 9fbd
Short Name:9fbd
Node ID:!d3d19fbd
MAC Address:4JXT0Z+9
Hardware:TRACKER_T1000_E
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:!c0c31760
Channel:MediumSlow
Payload Type:NODEINFO_APP
Hop Count:4 / 4
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 !c0c31760
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 3553730493
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 4
Initial hop limit 		uint32
hops_taken 4
Calculated: hop_start - hop_limit 		derived
rx_rssi -122.0 dBm
Signal strength at gateway 		int32
rx_snr -7.50 dB
Signal quality at gateway 		float
rx_time 1758604905
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 8
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1758604906.6259332
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 (4 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !c0c31760
Signal Metrics: RSSI: -122.0 dBm
SNR: -7.50 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": "!d3d19fbd", "long_name": "Meshtastic 9fbd", "short_name": "9fbd", "macaddr": "4JXT0Z+9", "hw_model": "TRACKER_T1000_E" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!c0c31760", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3553730493, "to": 4294967295, "id": 1956290468, "rx_time": 1758604905, "rx_snr": -7.5, "rx_rssi": -122, "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": 8, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09216433643139666264120f4d65736874617374696320396662641a04396662642206e095d3d19fbd28474220878c0afa38261088eeb928ca2edae1dbe7de3c02525945a8c5d33ffd9e8f2f4b4800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!d3d19fbd", "long_name": "Meshtastic 9fbd", "short_name": "9fbd", "macaddr": "4JXT0Z+9", "hw_model": "TRACKER_T1000_E", "public_key": "h4wK+jgmEIjuuSjKLtrh2+fePAJSWUWoxdM//Z6PL0s=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (80 bytes)
0a09216433643139666264120f4d65736874617374696320396662641a04396662642206e095d3d19fbd28474220878c0afa38261088eeb928ca2edae1dbe7de3c02525945a8c5d33ffd9e8f2f4b4800
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
Meshtastic 1760 (1760) Primary 0.000s
Reference 		-122.0 dBm -7.50 dB 4 MediumSlow 2025-09-23 05:21:46 Current
Venturada2🗼🌐☀️ (Vb2) -3.228s
Before 		-113.0 dBm -15.50 dB 2 MediumSlow 2025-09-23 05:21:43 View
[TLG] 📡🌐🔋🔌 (tlg0) -1.709s
Before 		-119.0 dBm -12.25 dB 3 MediumSlow 2025-09-23 05:21:44 View
Rodashtastic🗼🌐 (RDSt) -1.674s
Before 		-124.0 dBm -16.00 dB 3 MediumSlow 2025-09-23 05:21:44 View
GRN1-Base🗼🌐 (GRN1) -1.635s
Before 		-97.0 dBm Unknown 3 MediumSlow 2025-09-23 05:21:44 View
Mec Rocket Meco (MRM) -0.858s
Before 		-110.0 dBm -7.50 dB 4 MediumSlow 2025-09-23 05:21:45 View
g1bal (g1b0) -0.846s
Before 		-116.0 dBm -9.50 dB 4 MediumSlow 2025-09-23 05:21:45 View
Will - Azuqueca (WAzq) -0.836s
Before 		-105.0 dBm 1.00 dB 4 MediumSlow 2025-09-23 05:21:45 View
SkG@Home 📡🌐 (SkGH) -0.543s
Before 		-121.0 dBm -14.50 dB 4 MediumSlow 2025-09-23 05:21:46 View
Villalbilla02 (VBV2) -0.535s
Before 		-109.0 dBm -0.75 dB 4 MediumSlow 2025-09-23 05:21:46 View
Perseo 📡🌐☀ (nvm1) +0.175s
After 		-95.0 dBm -8.00 dB 3 MediumSlow 2025-09-23 05:21:46 View
Meshtastic fbec (fbec) +0.433s
After 		-129.0 dBm -7.25 dB 4 MediumSlow 2025-09-23 05:21:47 View
Ocumare_Base_🗼🌐 (CATA) +1.572s
After 		-115.0 dBm -15.00 dB 4 MediumSlow 2025-09-23 05:21:48 View
Kenobi23 QTH (5aec) +62.797s
After 		-104.0 dBm -9.50 dB 4 MediumSlow 2025-09-23 05:22:49 View
14

Total Receptions

14

Unique Gateways