Packet #39411933 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: 39411933
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 1778900551.5712292
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 (🏡) -0.685s
Before
-41.0 dBm 6.50 dB 0 fc CT2U LongFast 2026-05-16 03:02:30 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.650s
Before
-41.0 dBm 6.50 dB 0 fc CT2U LongFast 2026-05-16 03:02:30 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.610s
Before
-41.0 dBm 6.50 dB 0 fc CT2U LongFast 2026-05-16 03:02:30 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.572s
Before
-41.0 dBm 6.50 dB 0 fc CT2U LongFast 2026-05-16 03:02:30 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.547s
Before
-41.0 dBm 6.50 dB 0 fc CT2U LongFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.525s
Before
-41.0 dBm 6.50 dB 0 fc CT2U LongFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.495s
Before
-41.0 dBm 6.50 dB 0 fc CT2U LongFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.472s
Before
-41.0 dBm 6.50 dB 0 fc CT2U LongFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.450s
Before
-41.0 dBm 6.50 dB 0 fc CT2U LongFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.422s
Before
-41.0 dBm 6.50 dB 0 fc CT2U LongFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.387s
Before
-41.0 dBm 6.50 dB 0 fc CT2U LongFast 2026-05-16 03:02:31 UTC View
WYK Meshnology N30 (WN30) -0.356s
Before
-66.0 dBm 3.00 dB 0 fc CT2U LongFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.333s
Before
-41.0 dBm 6.50 dB 0 fc CT2U MediumFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.310s
Before
-41.0 dBm 6.50 dB 0 fc CT2U MediumFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.288s
Before
-41.0 dBm 6.50 dB 0 fc CT2U MediumFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.263s
Before
-41.0 dBm 6.50 dB 0 fc CT2U MediumFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.238s
Before
-41.0 dBm 6.50 dB 0 fc CT2U MediumFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.210s
Before
-41.0 dBm 6.50 dB 0 fc CT2U MediumFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.184s
Before
-41.0 dBm 6.50 dB 0 fc CT2U MediumFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.161s
Before
-41.0 dBm 6.50 dB 0 fc CT2U MediumFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.136s
Before
-41.0 dBm 6.50 dB 0 fc CT2U MediumFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.107s
Before
-41.0 dBm 6.50 dB 0 fc CT2U MediumFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.083s
Before
-41.0 dBm 6.50 dB 0 fc CT2U MediumFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.055s
Before
-41.0 dBm 6.50 dB 0 fc CT2U ShortFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) -0.033s
Before
-41.0 dBm 6.50 dB 0 fc CT2U ShortFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) +0.030s
After
-41.0 dBm 6.50 dB 0 fc CT2U ShortFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) +0.055s
After
-41.0 dBm 6.50 dB 0 fc CT2U ShortFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) +0.082s
After
-41.0 dBm 6.50 dB 0 fc CT2U ShortFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) +0.104s
After
-41.0 dBm 6.50 dB 0 fc CT2U ShortFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) +0.126s
After
-41.0 dBm 6.50 dB 0 fc CT2U ShortFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) +0.149s
After
-41.0 dBm 6.50 dB 0 fc CT2U ShortFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) +0.178s
After
-41.0 dBm 6.50 dB 0 fc CT2U ShortFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) +0.205s
After
-41.0 dBm 6.50 dB 0 fc CT2U ShortFast 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) +0.230s
After
-41.0 dBm 6.50 dB 0 fc CT2U ShortTurbo 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) +0.253s
After
-41.0 dBm 6.50 dB 0 fc CT2U ShortTurbo 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) +0.274s
After
-41.0 dBm 6.50 dB 0 fc CT2U ShortTurbo 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) +0.297s
After
-41.0 dBm 6.50 dB 0 fc CT2U ShortTurbo 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) +0.319s
After
-41.0 dBm 6.50 dB 0 fc CT2U ShortTurbo 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) +0.342s
After
-41.0 dBm 6.50 dB 0 fc CT2U ShortTurbo 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) +0.366s
After
-41.0 dBm 6.50 dB 0 fc CT2U ShortTurbo 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) +0.394s
After
-41.0 dBm 6.50 dB 0 fc CT2U ShortTurbo 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) +0.418s
After
-41.0 dBm 6.50 dB 0 fc CT2U ShortTurbo 2026-05-16 03:02:31 UTC View
WYK BASE MeshMonitoring.com (🏡) +0.452s
After
-41.0 dBm 6.50 dB 0 fc CT2U ShortTurbo 2026-05-16 03:02:32 UTC View
WYK BASE MeshMonitoring.com (🏡) +0.481s
After
-41.0 dBm 6.50 dB 0 fc CT2U ShortTurbo 2026-05-16 03:02:32 UTC View
WYK BASE MeshMonitoring.com (🏡) +0.521s
After
-41.0 dBm 6.50 dB 0 fc CT2U LongFast 2026-05-16 03:02:32 UTC View
WYK Mesh Node T114 (WT14) +1.317s
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