Packet #14233509 Success

NODEINFO_APP packet from Karabanchel_Baldur (KarB) to Meshtastic 299b (299b)

12
Total Receptions
12
Unique Gateways
3
Hop Count
83
Payload Bytes
Packet Information
Database ID: 14233509
Mesh Packet ID: 0xd8f15e4c
Used for correlation across gateways
Timestamp: 2025-10-08 19:50:46 UTC
From Node: Karabanchel_Baldur (KarB)
To Node: Meshtastic 299b (299b)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: [TLG] 📡🌐🔋🔌 (tlg0)
Channel: MediumSlow
RSSI: -116 dBm
SNR: -9.0 dBm
Hop Info: 3/4 hops
Start: 4, Limit: 1
Payload Data
Protocol: NODEINFO_APP
Size: 83 bytes
Decoded: Yes
Decoded Data:
Long Name:Karabanchel_Baldur
Short Name:KarB
Node ID:!13280088
MAC Address:0M8TKACI
Hardware:SEEED_XIAO_S3
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:83 bytes
Gateway:!da638a24
Channel:MediumSlow
Payload Type:NODEINFO_APP
Hop Count:3 / 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 (3 hops)
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !da638a24
Node ID format
channel_id MediumSlow
packet MeshPacket (83 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 321388680
Source node ID 		uint32
to 305605019
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 83 bytes size
hop_limit 1
Remaining hops allowed 		uint32
hop_start 4
Initial hop limit 		uint32
hops_taken 3
Calculated: hop_start - hop_limit 		derived
rx_rssi -116.0 dBm
Signal strength at gateway 		int32
rx_snr -9.00 dB
Signal quality at gateway 		float
rx_time 1759953045
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 200
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1759953046.7748258
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 (3 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !da638a24
Signal Metrics: RSSI: -116.0 dBm
SNR: -9.00 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:83 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!13280088", "long_name": "Karabanchel_Baldur", "short_name": "KarB", "macaddr": "0M8TKACI", "hw_model": "SEEED_XIAO_S3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!da638a24", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 321388680, "to": 305605019, "id": 3639696972, "rx_time": 1759953045, "rx_snr": -9.0, "rx_rssi": -116, "hop_limit": 1, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 200, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a0921313332383030383812124b61726162616e6368656c5f42616c6475721a044b6172422206d0cf132800882851380c42200744cefb30f9015825372a6913e2bb3ec5183badefb15b79eee25b0d703ad73f", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!13280088", "long_name": "Karabanchel_Baldur", "short_name": "KarB", "macaddr": "0M8TKACI", "hw_model": "SEEED_XIAO_S3", "role": "CLIENT_BASE", "public_key": "B0TO+zD5AVglNyppE+K7PsUYO63vsVt57uJbDXA61z8=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (83 bytes)
0a0921313332383030383812124b61726162616e6368656c5f42616c6475721a044b6172422206d0cf132800882851380c42200744cefb30f9015825372a6913e2bb3ec5183badefb15b79eee25b0d703ad73f
Hex Analysis:
Size:83 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
[TLG] 📡🌐🔋🔌 (tlg0) Primary 0.000s
Reference 		-116.0 dBm -9.00 dB 3 MediumSlow 2025-10-08 19:50:46 Current
Karabanchel_Baldur (KarB) -9.755s
Before 		Unknown Unknown 0 MediumSlow 2025-10-08 19:50:37 View
tizon (Sylv) -7.482s
Before 		-120.0 dBm -9.25 dB 0 MediumSlow 2025-10-08 19:50:39 View
Meshtastic 1760 (1760) -7.443s
Before 		-132.0 dBm -12.75 dB 0 MediumSlow 2025-10-08 19:50:39 View
Meshtastic 18a4 (18a4) -6.121s
Before 		-54.0 dBm 11.00 dB 1 MediumSlow 2025-10-08 19:50:40 View
Meshtastic 870c📡🌐 (870c) -5.455s
Before 		-96.0 dBm 4.25 dB 1 MediumSlow 2025-10-08 19:50:41 View
XiaoWatt c4c8 🌐🔌 (c4c8) -2.440s
Before 		-98.0 dBm -1.75 dB 2 MediumSlow 2025-10-08 19:50:44 View
Meshtastic 54a4 Justicia (54a4) -0.708s
Before 		-116.0 dBm -12.50 dB 2 MediumSlow 2025-10-08 19:50:46 View
Venturada2🗼🌐☀️ (Vb2) -0.310s
Before 		-95.0 dBm 3.50 dB 3 MediumSlow 2025-10-08 19:50:46 View
Machu Pichu (MaPi) +0.503s
After 		-102.0 dBm -8.50 dB 4 MediumSlow 2025-10-08 19:50:47 View
Quass002 ☄️ (Q002) +6.386s
After 		-104.0 dBm 3.75 dB 3 MediumSlow 2025-10-08 19:50:53 View
Quass001 ☄️ (Q001) +6.393s
After 		-88.0 dBm 7.75 dB 3 MediumSlow 2025-10-08 19:50:53 View
12

Total Receptions

12

Unique Gateways