Packet #11975569 Success

NODEINFO_APP packet from Jota black 9c25 (JTBK) to !ffffffff

14
Total Receptions
14
Unique Gateways
3
Hop Count
80
Payload Bytes
Packet Information
Database ID: 11975569
Mesh Packet ID: 0x26399c3e
Used for correlation across gateways
Timestamp: 2025-09-24 19:25:51 UTC
From Node: Jota black 9c25 (JTBK)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Meshtastic 1760 (1760)
Channel: MediumSlow
RSSI: -124 dBm
SNR: -4.5 dBm
Hop Info: 3/3 hops
Start: 3, Limit: 0
Payload Data
Protocol: NODEINFO_APP
Size: 80 bytes
Decoded: Yes
Decoded Data:
Long Name:Jota black 9c25
Short Name:JTBK
Node ID:!bd819c25
MAC Address:5Om9gZwl
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:!c0c31760
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 !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 3179387941
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 -124.0 dBm
Signal strength at gateway 		int32
rx_snr -4.50 dB
Signal quality at gateway 		float
rx_time 1758741950
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 1758741951.7350824
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: !c0c31760
Signal Metrics: RSSI: -124.0 dBm
SNR: -4.50 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": "!bd819c25", "long_name": "Jota black 9c25", "short_name": "JTBK", "macaddr": "5Om9gZwl", "hw_model": "NRF52_PROMICRO_DIY" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!c0c31760", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3179387941, "to": 4294967295, "id": 641309758, "rx_time": 1758741950, "rx_snr": -4.5, "rx_rssi": -124, "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": 8, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09216264383139633235120f4a6f746120626c61636b20396332351a044a54424b2206e4e9bd819c25283f42202a4c276595daf120562a9ebe27d0f61af0324f4d0ec917573cd7c70d537d18044800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!bd819c25", "long_name": "Jota black 9c25", "short_name": "JTBK", "macaddr": "5Om9gZwl", "hw_model": "NRF52_PROMICRO_DIY", "public_key": "KkwnZZXa8SBWKp6+J9D2GvAyT00OyRdXPNfHDVN9GAQ=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (80 bytes)
0a09216264383139633235120f4a6f746120626c61636b20396332351a044a54424b2206e4e9bd819c25283f42202a4c276595daf120562a9ebe27d0f61af0324f4d0ec917573cd7c70d537d18044800
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 		-124.0 dBm -4.50 dB 3 MediumSlow 2025-09-24 19:25:51 Current
Perseo 📡🌐☀ (nvm1) -3.879s
Before 		-91.0 dBm 1.75 dB 2 MediumSlow 2025-09-24 19:25:47 View
Venturada2🗼🌐☀️ (Vb2) -3.478s
Before 		-97.0 dBm -1.50 dB 2 MediumSlow 2025-09-24 19:25:48 View
Will - Azuqueca (WAzq) -3.470s
Before 		-104.0 dBm 2.75 dB 2 MediumSlow 2025-09-24 19:25:48 View
Mec Rocket Meco (MRM) -3.463s
Before 		-83.0 dBm 7.50 dB 2 MediumSlow 2025-09-24 19:25:48 View
Glitchs Azuqueca 📡 (GltA) -3.070s
Before 		-122.0 dBm -12.75 dB 2 MediumSlow 2025-09-24 19:25:48 View
[TLG] 📡🌐🔋🔌 (tlg0) -2.975s
Before 		-120.0 dBm -16.00 dB 2 MediumSlow 2025-09-24 19:25:48 View
GRN1-Base🗼🌐 (GRN1) -1.199s
Before 		-100.0 dBm -5.25 dB 3 MediumSlow 2025-09-24 19:25:50 View
g1bal (g1b0) -0.272s
Before 		-111.0 dBm -5.50 dB 3 MediumSlow 2025-09-24 19:25:51 View
Meshtastic c498📡🌐 (C498) -0.245s
Before 		-118.0 dBm -16.50 dB 3 MediumSlow 2025-09-24 19:25:51 View
Machu Pichu (MaPi) -0.016s
Before 		-98.0 dBm -2.75 dB 3 MediumSlow 2025-09-24 19:25:51 View
Rodashtastic🗼🌐 (RDSt) +0.135s
After 		-112.0 dBm -3.75 dB 3 MediumSlow 2025-09-24 19:25:51 View
Meshtastic fbec (fbec) +0.238s
After 		-130.0 dBm -9.25 dB 3 MediumSlow 2025-09-24 19:25:51 View
KIFO (14f1) +499.723s
After 		-119.0 dBm -8.00 dB 3 MediumSlow 2025-09-24 19:34:11 View
14

Total Receptions

14

Unique Gateways