Packet #39411941 Success

NODEINFO_APP packet from Core-Tastic Duo (CT2U) to !ffffffff

47
Total Receptions
3
Unique Gateways
0
Hop Count
80
Payload Bytes
Packet Information
Database ID: 39411941
Mesh Packet ID: 0x14eea037
Used for correlation across gateways
Timestamp: 2026-05-16 03:02:31 UTC
From Node: Core-Tastic Duo (CT2U)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: WYK BASE MeshMonitoring.com (🏡)
Channel: ShortFast
RSSI: -41 dBm
SNR: 6.5 dBm
Hop Info: 0/7 hops
Start: 7, Limit: 7
Relay Node: fc CT2U
Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions
Payload Data
Protocol: NODEINFO_APP
Size: 80 bytes
Decoded: Yes
Decoded Data:
Long Name:Core-Tastic Duo
Short Name:CT2U
Node ID:!49b546fc
MAC Address:jP1JtUb8
Hardware:HELTEC_V4
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:!ba060290
Channel:ShortFast
Payload Type:NODEINFO_APP
Hop Count:Unknown / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 2 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !ba060290
Node ID format
channel_id ShortFast
packet MeshPacket (80 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1236616956
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 7
Remaining hops allowed
uint32
hop_start 7
Initial hop limit
uint32
hops_taken 0
Calculated: hop_start - hop_limit
derived
rx_rssi -41.0 dBm
Signal strength at gateway
int32
rx_snr 6.50 dB
Signal quality at gateway
float
rx_time 1778900520
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 252
Relay node ID
uint32
tx_after Not set uint32
timestamp 1778900551.7757967
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: ShortFast
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !ba060290
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -41.0 dBm
SNR: 6.50 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": "!49b546fc", "long_name": "Core-Tastic Duo", "short_name": "CT2U", "macaddr": "jP1JtUb8", "hw_model": "HELTEC_V4" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!ba060290", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1236616956, "to": 4294967295, "id": 351182903, "rx_time": 1778900520, "rx_snr": 6.5, "rx_rssi": -41, "hop_limit": 7, "hop_start": 7, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 252, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213439623534366663120f436f72652d5461737469632044756f1a044354325522068cfd49b546fc286e4220a5c18b1cdf6bb081677e702c82c97492939019694752d814efa0c2cbadf72a284800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!49b546fc", "long_name": "Core-Tastic Duo", "short_name": "CT2U", "macaddr": "jP1JtUb8", "hw_model": "HELTEC_V4", "public_key": "pcGLHN9rsIFnfnAsgsl0kpOQGWlHUtgU76DCy633Kig=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (80 bytes)
0a09213439623534366663120f436f72652d5461737469632044756f1a044354325522068cfd49b546fc286e4220a5c18b1cdf6bb081677e702c82c97492939019694752d814efa0c2cbadf72a284800
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...

Loading reception map...

Map shows gateway locations that received this packet. Hop counts are displayed if available.
Gateway Time Offset RSSI SNR Hops Relay Channel Timestamp Actions
WYK BASE MeshMonitoring.com (🏡) Primary 0.000s
Reference
-41.0 dBm 6.50 dB 0 fc CT2U ShortFast 2026-05-16 03:02:31 UTC Current
WYK BASE MeshMonitoring.com (🏡) -0.889s
Before
-41.0 dBm 6.50 dB 0 fc CT2U LongFast 2026-05-16 03:02:30 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.855s
Before
-41.0 dBm 6.50 dB 0 fc CT2U LongFast 2026-05-16 03:02:30 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.815s
Before
-41.0 dBm 6.50 dB 0 fc CT2U LongFast 2026-05-16 03:02:30 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.777s
Before
-41.0 dBm 6.50 dB 0 fc CT2U LongFast 2026-05-16 03:02:30 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.752s
Before
-41.0 dBm 6.50 dB 0 fc CT2U LongFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.729s
Before
-41.0 dBm 6.50 dB 0 fc CT2U LongFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.700s
Before
-41.0 dBm 6.50 dB 0 fc CT2U LongFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.677s
Before
-41.0 dBm 6.50 dB 0 fc CT2U LongFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.655s
Before
-41.0 dBm 6.50 dB 0 fc CT2U LongFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.627s
Before
-41.0 dBm 6.50 dB 0 fc CT2U LongFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.592s
Before
-41.0 dBm 6.50 dB 0 fc CT2U LongFast 2026-05-16 03:02:31 UTC View
WYK Meshnology N30 (WN30) -0.561s
Before
-66.0 dBm 3.00 dB 0 fc CT2U LongFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.537s
Before
-41.0 dBm 6.50 dB 0 fc CT2U MediumFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.514s
Before
-41.0 dBm 6.50 dB 0 fc CT2U MediumFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.493s
Before
-41.0 dBm 6.50 dB 0 fc CT2U MediumFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.467s
Before
-41.0 dBm 6.50 dB 0 fc CT2U MediumFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.443s
Before
-41.0 dBm 6.50 dB 0 fc CT2U MediumFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.415s
Before
-41.0 dBm 6.50 dB 0 fc CT2U MediumFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.389s
Before
-41.0 dBm 6.50 dB 0 fc CT2U MediumFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.366s
Before
-41.0 dBm 6.50 dB 0 fc CT2U MediumFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.340s
Before
-41.0 dBm 6.50 dB 0 fc CT2U MediumFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.311s
Before
-41.0 dBm 6.50 dB 0 fc CT2U MediumFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.287s
Before
-41.0 dBm 6.50 dB 0 fc CT2U MediumFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.260s
Before
-41.0 dBm 6.50 dB 0 fc CT2U ShortFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.238s
Before
-41.0 dBm 6.50 dB 0 fc CT2U ShortFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.205s
Before
-41.0 dBm 6.50 dB 0 fc CT2U ShortFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.175s
Before
-41.0 dBm 6.50 dB 0 fc CT2U ShortFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.150s
Before
-41.0 dBm 6.50 dB 0 fc CT2U ShortFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.123s
Before
-41.0 dBm 6.50 dB 0 fc CT2U ShortFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.101s
Before
-41.0 dBm 6.50 dB 0 fc CT2U ShortFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.078s
Before
-41.0 dBm 6.50 dB 0 fc CT2U ShortFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.056s
Before
-41.0 dBm 6.50 dB 0 fc CT2U ShortFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.026s
Before
-41.0 dBm 6.50 dB 0 fc CT2U ShortFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) +0.025s
After
-41.0 dBm 6.50 dB 0 fc CT2U ShortTurbo 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) +0.048s
After
-41.0 dBm 6.50 dB 0 fc CT2U ShortTurbo 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) +0.069s
After
-41.0 dBm 6.50 dB 0 fc CT2U ShortTurbo 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) +0.093s
After
-41.0 dBm 6.50 dB 0 fc CT2U ShortTurbo 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) +0.114s
After
-41.0 dBm 6.50 dB 0 fc CT2U ShortTurbo 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) +0.137s
After
-41.0 dBm 6.50 dB 0 fc CT2U ShortTurbo 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) +0.161s
After
-41.0 dBm 6.50 dB 0 fc CT2U ShortTurbo 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) +0.189s
After
-41.0 dBm 6.50 dB 0 fc CT2U ShortTurbo 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) +0.214s
After
-41.0 dBm 6.50 dB 0 fc CT2U ShortTurbo 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) +0.247s
After
-41.0 dBm 6.50 dB 0 fc CT2U ShortTurbo 2026-05-16 03:02:32 UTC View
WYK BASE MeshMonitoring.com (🏡) +0.277s
After
-41.0 dBm 6.50 dB 0 fc CT2U ShortTurbo 2026-05-16 03:02:32 UTC View
WYK BASE MeshMonitoring.com (🏡) +0.317s
After
-41.0 dBm 6.50 dB 0 fc CT2U LongFast 2026-05-16 03:02:32 UTC View
WYK Mesh Node T114 (WT14) +1.112s
After
-61.0 dBm 4.00 dB 0 fc CT2U LongFast 2026-05-16 03:02:32 UTC View
47

Total Receptions

3

Unique Gateways