Packet #14236381 Success

NODEINFO_APP packet from Karabanchel_Baldur (KarB) to Jolu base (JL1)

17
Total Receptions
17
Unique Gateways
0
Hop Count
83
Payload Bytes
Packet Information
Database ID: 14236381
Mesh Packet ID: 0xf65eae63
Used for correlation across gateways
Timestamp: 2025-10-08 20:11:24 UTC
From Node: Karabanchel_Baldur (KarB)
To Node: Jolu base (JL1)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: ๐ŸŒCharly Unid Movil๐Ÿ›ฐ (C181)
Channel: MediumSlow
RSSI: -108 dBm
SNR: -5.25 dBm
Hop Info: 0/4 hops
Start: 4, Limit: 4
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) โ†’ MeshPacket (Mesh layer) โ†’ Decoded Payload (Application data)
Total Size:83 bytes
Gateway:!b03de73c
Channel:MediumSlow
Payload Type:NODEINFO_APP
Hop Count:Unknown / 4
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
โœ“ Direct LoRa transmission (not via MQTT)
โœ“ Targeted to specific node
+ 3 more...
Exposure Risks:
โš  Packet visible to MQTT subscribers
โš  RF signal metrics exposed (location inference possible)
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !b03de73c
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 2697666748
Target node ID
uint32
decoded.portnum 4
NODEINFO_APP
enum
decoded.payload_length 83 bytes size
hop_limit 4
Remaining hops allowed
uint32
hop_start 4
Initial hop limit
uint32
hops_taken 0
Calculated: hop_start - hop_limit
derived
rx_rssi -108.0 dBm
Signal strength at gateway
int32
rx_snr -5.25 dB
Signal quality at gateway
float
rx_time 1759954283
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 136
Relay node ID
uint32
tx_after Not set uint32
timestamp 1759954284.3404555
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:
  • โœ“ Direct LoRa transmission (not via MQTT)
  • โœ“ Targeted to specific node
  • โœ“ Custom channel: MediumSlow
  • โœ“ Gateway node ID tracked
  • โœ“ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • โš  Packet visible to MQTT subscribers
  • โš  RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !b03de73c
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -108.0 dBm
SNR: -5.25 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": "!b03de73c", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 321388680, "to": 2697666748, "id": 4133400163, "rx_time": 1759954283, "rx_snr": -5.25, "rx_rssi": -108, "hop_limit": 4, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 136, "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
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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
๐ŸŒCharly Unid Movil๐Ÿ›ฐ (C181) Primary 0.000s
Reference
-108.0 dBm -5.25 dB 0 MediumSlow 2025-10-08 20:11:24 Current
Karabanchel_Baldur (KarB) -1.158s
Before
Unknown Unknown 0 MediumSlow 2025-10-08 20:11:23 View
Meshtastic 1760 (1760) +0.470s
After
-132.0 dBm -15.00 dB 0 MediumSlow 2025-10-08 20:11:24 View
tizon (Sylv) +0.798s
After
-121.0 dBm -9.75 dB 0 MediumSlow 2025-10-08 20:11:25 View
Meshtastic 870c๐Ÿ“ก๐ŸŒ (870c) +0.916s
After
-94.0 dBm 4.75 dB 1 MediumSlow 2025-10-08 20:11:25 View
Meshtastic 18a4 (18a4) +1.666s
After
-56.0 dBm 13.25 dB 1 MediumSlow 2025-10-08 20:11:26 View
Venturada2๐Ÿ—ผ๐ŸŒโ˜€๏ธ (Vb2) +3.234s
After
-91.0 dBm Unknown 2 MediumSlow 2025-10-08 20:11:27 View
XiaoWatt c4c8 ๐ŸŒ๐Ÿ”Œ (c4c8) +4.369s
After
-97.0 dBm -0.25 dB 3 MediumSlow 2025-10-08 20:11:28 View
Monolito (MoN) +4.851s
After
-65.0 dBm 8.75 dB 3 MediumSlow 2025-10-08 20:11:29 View
GRN1-Base๐Ÿ—ผ๐ŸŒ (GRN1) +5.229s
After
-91.0 dBm 1.75 dB 3 MediumSlow 2025-10-08 20:11:29 View
[TLG] ๐Ÿ“ก๐ŸŒ๐Ÿ”‹๐Ÿ”Œ (tlg0) +5.797s
After
-114.0 dBm -7.50 dB 4 MediumSlow 2025-10-08 20:11:30 View
Rodashtastic๐Ÿ—ผ๐ŸŒ (RDSt) +6.079s
After
-115.0 dBm -13.00 dB 4 MediumSlow 2025-10-08 20:11:30 View
Oxygen EA4HKU (O) +6.429s
After
-114.0 dBm -11.75 dB 4 MediumSlow 2025-10-08 20:11:30 View
Carbon EA4HKU (C) +6.623s
After
-116.0 dBm -6.25 dB 4 MediumSlow 2025-10-08 20:11:30 View
Suop ๐Ÿ“ก ๐ŸŒ (SUOP) +6.701s
After
-111.0 dBm -3.50 dB 4 MediumSlow 2025-10-08 20:11:31 View
Quass001 โ˜„๏ธ (Q001) +11.637s
After
-84.0 dBm 8.50 dB 3 MediumSlow 2025-10-08 20:11:35 View
Quass002 โ˜„๏ธ (Q002) +11.648s
After
-108.0 dBm 0.75 dB 3 MediumSlow 2025-10-08 20:11:35 View
17

Total Receptions

17

Unique Gateways