Packet #39411910 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: | 39411910 |
|---|---|
| Mesh Packet ID: |
0x14eea037
Used for correlation across gateways |
| Timestamp: | 2026-05-16 03:02:30 UTC |
| From Node: | Core-Tastic Duo (CT2U) |
| To Node: | !ffffffff (ffff) |
| Success: | Processed |
| Protocol: |
NODEINFO_APP
Port: 4 |
| Gateway: | WYK BASE MeshMonitoring.com (🏡) |
|---|---|
| Channel: | LongFast |
| 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 analysisPacket Structure
MQTT Packet Flow:
ServiceEnvelope (MQTT layer) → MeshPacket (Mesh layer) → Decoded Payload (Application data)
| Total Size: | 80 bytes |
|---|---|
| Gateway: | !ba060290 |
| Channel: | LongFast |
| Payload Type: | NODEINFO_APP |
| Hop Count: | Unknown / 7 |
Privacy Summary
Exposure Level:
Broadcast
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
+ 1 more...
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
+ 1 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 2 more...
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 2 more...
MQTT ServiceEnvelope Fields
MQTT ServiceEnvelope contains the MeshPacket plus routing metadata
| Field | Value |
|---|---|
gateway_id |
!ba060290
Node ID format |
channel_id |
LongFast
Default public channel |
packet |
MeshPacket (80 bytes)
Contains the actual mesh network packet |
MeshPacket Fields
Core mesh packet with routing and payload information
| Field | Value | Type |
|---|---|---|
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 |
1778900550.9612408
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)
- ✓ Gateway node ID tracked
- ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
- ⚠ Visible to all nodes on channel
- ⚠ Default channel - no encryption
- ⚠ 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": "LongFast",
"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 packetCorrelation: 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
|
LongFast | 2026-05-16 03:02:30 UTC | Current |
| WYK BASE MeshMonitoring.com (🏡) |
-0.075s
Before |
-41.0 dBm | 6.50 dB | 0 |
fc
CT2U
|
LongFast | 2026-05-16 03:02:30 UTC | View |
| WYK BASE MeshMonitoring.com (🏡) |
-0.040s
Before |
-41.0 dBm | 6.50 dB | 0 |
fc
CT2U
|
LongFast | 2026-05-16 03:02:30 UTC | View |
| WYK BASE MeshMonitoring.com (🏡) |
+0.038s
After |
-41.0 dBm | 6.50 dB | 0 |
fc
CT2U
|
LongFast | 2026-05-16 03:02:30 UTC | View |
| WYK BASE MeshMonitoring.com (🏡) |
+0.063s
After |
-41.0 dBm | 6.50 dB | 0 |
fc
CT2U
|
LongFast | 2026-05-16 03:02:31 UTC | View |
| WYK BASE MeshMonitoring.com (🏡) |
+0.085s
After |
-41.0 dBm | 6.50 dB | 0 |
fc
CT2U
|
LongFast | 2026-05-16 03:02:31 UTC | View |
| WYK BASE MeshMonitoring.com (🏡) |
+0.115s
After |
-41.0 dBm | 6.50 dB | 0 |
fc
CT2U
|
LongFast | 2026-05-16 03:02:31 UTC | View |
| WYK BASE MeshMonitoring.com (🏡) |
+0.138s
After |
-41.0 dBm | 6.50 dB | 0 |
fc
CT2U
|
LongFast | 2026-05-16 03:02:31 UTC | View |
| WYK BASE MeshMonitoring.com (🏡) |
+0.160s
After |
-41.0 dBm | 6.50 dB | 0 |
fc
CT2U
|
LongFast | 2026-05-16 03:02:31 UTC | View |
| WYK BASE MeshMonitoring.com (🏡) |
+0.188s
After |
-41.0 dBm | 6.50 dB | 0 |
fc
CT2U
|
LongFast | 2026-05-16 03:02:31 UTC | View |
| WYK BASE MeshMonitoring.com (🏡) |
+0.222s
After |
-41.0 dBm | 6.50 dB | 0 |
fc
CT2U
|
LongFast | 2026-05-16 03:02:31 UTC | View |
| WYK Meshnology N30 (WN30) |
+0.254s
After |
-66.0 dBm | 3.00 dB | 0 |
fc
CT2U
|
LongFast | 2026-05-16 03:02:31 UTC | View |
| WYK BASE MeshMonitoring.com (🏡) |
+0.277s
After |
-41.0 dBm | 6.50 dB | 0 |
fc
CT2U
|
MediumFast | 2026-05-16 03:02:31 UTC | View |
| WYK BASE MeshMonitoring.com (🏡) |
+0.300s
After |
-41.0 dBm | 6.50 dB | 0 |
fc
CT2U
|
MediumFast | 2026-05-16 03:02:31 UTC | View |
| WYK BASE MeshMonitoring.com (🏡) |
+0.322s
After |
-41.0 dBm | 6.50 dB | 0 |
fc
CT2U
|
MediumFast | 2026-05-16 03:02:31 UTC | View |
| WYK BASE MeshMonitoring.com (🏡) |
+0.347s
After |
-41.0 dBm | 6.50 dB | 0 |
fc
CT2U
|
MediumFast | 2026-05-16 03:02:31 UTC | View |
| WYK BASE MeshMonitoring.com (🏡) |
+0.372s
After |
-41.0 dBm | 6.50 dB | 0 |
fc
CT2U
|
MediumFast | 2026-05-16 03:02:31 UTC | View |
| WYK BASE MeshMonitoring.com (🏡) |
+0.400s
After |
-41.0 dBm | 6.50 dB | 0 |
fc
CT2U
|
MediumFast | 2026-05-16 03:02:31 UTC | View |
| WYK BASE MeshMonitoring.com (🏡) |
+0.425s
After |
-41.0 dBm | 6.50 dB | 0 |
fc
CT2U
|
MediumFast | 2026-05-16 03:02:31 UTC | View |
| WYK BASE MeshMonitoring.com (🏡) |
+0.449s
After |
-41.0 dBm | 6.50 dB | 0 |
fc
CT2U
|
MediumFast | 2026-05-16 03:02:31 UTC | View |
| WYK BASE MeshMonitoring.com (🏡) |
+0.474s
After |
-41.0 dBm | 6.50 dB | 0 |
fc
CT2U
|
MediumFast | 2026-05-16 03:02:31 UTC | View |
| WYK BASE MeshMonitoring.com (🏡) |
+0.503s
After |
-41.0 dBm | 6.50 dB | 0 |
fc
CT2U
|
MediumFast | 2026-05-16 03:02:31 UTC | View |
| WYK BASE MeshMonitoring.com (🏡) |
+0.527s
After |
-41.0 dBm | 6.50 dB | 0 |
fc
CT2U
|
MediumFast | 2026-05-16 03:02:31 UTC | View |
| WYK BASE MeshMonitoring.com (🏡) |
+0.555s
After |
-41.0 dBm | 6.50 dB | 0 |
fc
CT2U
|
ShortFast | 2026-05-16 03:02:31 UTC | View |
| WYK BASE MeshMonitoring.com (🏡) |
+0.577s
After |
-41.0 dBm | 6.50 dB | 0 |
fc
CT2U
|
ShortFast | 2026-05-16 03:02:31 UTC | View |
| WYK BASE MeshMonitoring.com (🏡) |
+0.610s
After |
-41.0 dBm | 6.50 dB | 0 |
fc
CT2U
|
ShortFast | 2026-05-16 03:02:31 UTC | View |
| WYK BASE MeshMonitoring.com (🏡) |
+0.640s
After |
-41.0 dBm | 6.50 dB | 0 |
fc
CT2U
|
ShortFast | 2026-05-16 03:02:31 UTC | View |
| WYK BASE MeshMonitoring.com (🏡) |
+0.665s
After |
-41.0 dBm | 6.50 dB | 0 |
fc
CT2U
|
ShortFast | 2026-05-16 03:02:31 UTC | View |
| WYK BASE MeshMonitoring.com (🏡) |
+0.692s
After |
-41.0 dBm | 6.50 dB | 0 |
fc
CT2U
|
ShortFast | 2026-05-16 03:02:31 UTC | View |
| WYK BASE MeshMonitoring.com (🏡) |
+0.714s
After |
-41.0 dBm | 6.50 dB | 0 |
fc
CT2U
|
ShortFast | 2026-05-16 03:02:31 UTC | View |
| WYK BASE MeshMonitoring.com (🏡) |
+0.736s
After |
-41.0 dBm | 6.50 dB | 0 |
fc
CT2U
|
ShortFast | 2026-05-16 03:02:31 UTC | View |
| WYK BASE MeshMonitoring.com (🏡) |
+0.759s
After |
-41.0 dBm | 6.50 dB | 0 |
fc
CT2U
|
ShortFast | 2026-05-16 03:02:31 UTC | View |
| WYK BASE MeshMonitoring.com (🏡) |
+0.788s
After |
-41.0 dBm | 6.50 dB | 0 |
fc
CT2U
|
ShortFast | 2026-05-16 03:02:31 UTC | View |
| WYK BASE MeshMonitoring.com (🏡) |
+0.815s
After |
-41.0 dBm | 6.50 dB | 0 |
fc
CT2U
|
ShortFast | 2026-05-16 03:02:31 UTC | View |
| WYK BASE MeshMonitoring.com (🏡) |
+0.840s
After |
-41.0 dBm | 6.50 dB | 0 |
fc
CT2U
|
ShortTurbo | 2026-05-16 03:02:31 UTC | View |
| WYK BASE MeshMonitoring.com (🏡) |
+0.863s
After |
-41.0 dBm | 6.50 dB | 0 |
fc
CT2U
|
ShortTurbo | 2026-05-16 03:02:31 UTC | View |
| WYK BASE MeshMonitoring.com (🏡) |
+0.884s
After |
-41.0 dBm | 6.50 dB | 0 |
fc
CT2U
|
ShortTurbo | 2026-05-16 03:02:31 UTC | View |
| WYK BASE MeshMonitoring.com (🏡) |
+0.907s
After |
-41.0 dBm | 6.50 dB | 0 |
fc
CT2U
|
ShortTurbo | 2026-05-16 03:02:31 UTC | View |
| WYK BASE MeshMonitoring.com (🏡) |
+0.929s
After |
-41.0 dBm | 6.50 dB | 0 |
fc
CT2U
|
ShortTurbo | 2026-05-16 03:02:31 UTC | View |
| WYK BASE MeshMonitoring.com (🏡) |
+0.952s
After |
-41.0 dBm | 6.50 dB | 0 |
fc
CT2U
|
ShortTurbo | 2026-05-16 03:02:31 UTC | View |
| WYK BASE MeshMonitoring.com (🏡) |
+0.975s
After |
-41.0 dBm | 6.50 dB | 0 |
fc
CT2U
|
ShortTurbo | 2026-05-16 03:02:31 UTC | View |
| WYK BASE MeshMonitoring.com (🏡) |
+1.003s
After |
-41.0 dBm | 6.50 dB | 0 |
fc
CT2U
|
ShortTurbo | 2026-05-16 03:02:31 UTC | View |
| WYK BASE MeshMonitoring.com (🏡) |
+1.028s
After |
-41.0 dBm | 6.50 dB | 0 |
fc
CT2U
|
ShortTurbo | 2026-05-16 03:02:31 UTC | View |
| WYK BASE MeshMonitoring.com (🏡) |
+1.062s
After |
-41.0 dBm | 6.50 dB | 0 |
fc
CT2U
|
ShortTurbo | 2026-05-16 03:02:32 UTC | View |
| WYK BASE MeshMonitoring.com (🏡) |
+1.091s
After |
-41.0 dBm | 6.50 dB | 0 |
fc
CT2U
|
ShortTurbo | 2026-05-16 03:02:32 UTC | View |
| WYK BASE MeshMonitoring.com (🏡) |
+1.131s
After |
-41.0 dBm | 6.50 dB | 0 |
fc
CT2U
|
LongFast | 2026-05-16 03:02:32 UTC | View |
| WYK Mesh Node T114 (WT14) |
+1.927s
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