Packet #39146537 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: | 39146537 |
|---|---|
| Mesh Packet ID: |
0xb1f10a94
Used for correlation across gateways |
| Timestamp: | 2026-05-15 11:54:28 UTC |
| From Node: | Core-Tastic Duo (CT2U) |
| To Node: | !ffffffff (ffff) |
| Success: | Processed |
| Protocol: |
NODEINFO_APP
Port: 4 |
| Gateway: | WYK Mesh Node T114 (WT14) |
|---|---|
| Channel: | MediumFast |
| RSSI: | -58 dBm |
| SNR: | 7.25 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: | !958ac8b7 |
| Channel: | MediumFast |
| Payload Type: | NODEINFO_APP |
| Hop Count: | Unknown / 7 |
Privacy Summary
Exposure Level:
Broadcast
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 2 more...
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 2 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 1 more...
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 1 more...
MQTT ServiceEnvelope Fields
MQTT ServiceEnvelope contains the MeshPacket plus routing metadata
| Field | Value |
|---|---|
gateway_id |
!958ac8b7
Node ID format |
channel_id |
MediumFast
|
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 |
-58.0 dBm
Signal strength at gateway |
int32 |
rx_snr |
7.25 dB
Signal quality at gateway |
float |
rx_time |
1778846065
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 |
1778846068.9039547
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: MediumFast
- ✓ 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: | !958ac8b7 |
| Zero Hop Policy: |
Enabled
Direct gateway connection |
| Signal Metrics: |
RSSI: -58.0 dBm SNR: 7.25 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": "!958ac8b7",
"channel_id": "MediumFast",
"packet": "MeshPacket (see mesh_packet below)"
},
"mesh_packet": {
"from": 1236616956,
"to": 4294967295,
"id": 2985364116,
"rx_time": 1778846065,
"rx_snr": 7.25,
"rx_rssi": -58,
"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 Mesh Node T114 (WT14) Primary |
0.000s
Reference |
-58.0 dBm | 7.25 dB | 0 |
fc
CT2U
|
MediumFast | 2026-05-15 11:54:28 UTC | Current |
| WYK Mesh Node T114 (WT14) |
-0.454s
Before |
-58.0 dBm | 7.25 dB | 0 |
fc
CT2U
|
LongFast | 2026-05-15 11:54:28 UTC | View |
| WYK Mesh Node T114 (WT14) |
-0.428s
Before |
-58.0 dBm | 7.25 dB | 0 |
fc
CT2U
|
LongFast | 2026-05-15 11:54:28 UTC | View |
| WYK Mesh Node T114 (WT14) |
-0.395s
Before |
-58.0 dBm | 7.25 dB | 0 |
fc
CT2U
|
LongFast | 2026-05-15 11:54:28 UTC | View |
| WYK Mesh Node T114 (WT14) |
-0.371s
Before |
-58.0 dBm | 7.25 dB | 0 |
fc
CT2U
|
LongFast | 2026-05-15 11:54:28 UTC | View |
| WYK Mesh Node T114 (WT14) |
-0.348s
Before |
-58.0 dBm | 7.25 dB | 0 |
fc
CT2U
|
LongFast | 2026-05-15 11:54:28 UTC | View |
| WYK Mesh Node T114 (WT14) |
-0.326s
Before |
-58.0 dBm | 7.25 dB | 0 |
fc
CT2U
|
LongFast | 2026-05-15 11:54:28 UTC | View |
| WYK Mesh Node T114 (WT14) |
-0.305s
Before |
-58.0 dBm | 7.25 dB | 0 |
fc
CT2U
|
LongFast | 2026-05-15 11:54:28 UTC | View |
| WYK Mesh Node T114 (WT14) |
-0.284s
Before |
-58.0 dBm | 7.25 dB | 0 |
fc
CT2U
|
LongFast | 2026-05-15 11:54:28 UTC | View |
| WYK Mesh Node T114 (WT14) |
-0.264s
Before |
-58.0 dBm | 7.25 dB | 0 |
fc
CT2U
|
LongFast | 2026-05-15 11:54:28 UTC | View |
| WYK Mesh Node T114 (WT14) |
-0.244s
Before |
-58.0 dBm | 7.25 dB | 0 |
fc
CT2U
|
LongFast | 2026-05-15 11:54:28 UTC | View |
| WYK Mesh Node T114 (WT14) |
-0.222s
Before |
-58.0 dBm | 7.25 dB | 0 |
fc
CT2U
|
LongFast | 2026-05-15 11:54:28 UTC | View |
| WYK Mesh Node T114 (WT14) |
-0.199s
Before |
-58.0 dBm | 7.25 dB | 0 |
fc
CT2U
|
MediumFast | 2026-05-15 11:54:28 UTC | View |
| WYK Mesh Node T114 (WT14) |
-0.173s
Before |
-58.0 dBm | 7.25 dB | 0 |
fc
CT2U
|
MediumFast | 2026-05-15 11:54:28 UTC | View |
| WYK Mesh Node T114 (WT14) |
-0.151s
Before |
-58.0 dBm | 7.25 dB | 0 |
fc
CT2U
|
MediumFast | 2026-05-15 11:54:28 UTC | View |
| WYK Mesh Node T114 (WT14) |
-0.129s
Before |
-58.0 dBm | 7.25 dB | 0 |
fc
CT2U
|
MediumFast | 2026-05-15 11:54:28 UTC | View |
| WYK Mesh Node T114 (WT14) |
-0.108s
Before |
-58.0 dBm | 7.25 dB | 0 |
fc
CT2U
|
MediumFast | 2026-05-15 11:54:28 UTC | View |
| WYK Mesh Node T114 (WT14) |
-0.088s
Before |
-58.0 dBm | 7.25 dB | 0 |
fc
CT2U
|
MediumFast | 2026-05-15 11:54:28 UTC | View |
| WYK Mesh Node T114 (WT14) |
-0.067s
Before |
-58.0 dBm | 7.25 dB | 0 |
fc
CT2U
|
MediumFast | 2026-05-15 11:54:28 UTC | View |
| WYK Mesh Node T114 (WT14) |
-0.046s
Before |
-58.0 dBm | 7.25 dB | 0 |
fc
CT2U
|
MediumFast | 2026-05-15 11:54:28 UTC | View |
| WYK Mesh Node T114 (WT14) |
-0.023s
Before |
-58.0 dBm | 7.25 dB | 0 |
fc
CT2U
|
MediumFast | 2026-05-15 11:54:28 UTC | View |
| WYK Mesh Node T114 (WT14) |
+0.032s
After |
-58.0 dBm | 7.25 dB | 0 |
fc
CT2U
|
MediumFast | 2026-05-15 11:54:28 UTC | View |
| WYK Mesh Node T114 (WT14) |
+0.053s
After |
-58.0 dBm | 7.25 dB | 0 |
fc
CT2U
|
ShortFast | 2026-05-15 11:54:28 UTC | View |
| WYK Mesh Node T114 (WT14) |
+0.073s
After |
-58.0 dBm | 7.25 dB | 0 |
fc
CT2U
|
ShortFast | 2026-05-15 11:54:28 UTC | View |
| WYK Mesh Node T114 (WT14) |
+0.094s
After |
-58.0 dBm | 7.25 dB | 0 |
fc
CT2U
|
ShortFast | 2026-05-15 11:54:28 UTC | View |
| WYK Mesh Node T114 (WT14) |
+0.114s
After |
-58.0 dBm | 7.25 dB | 0 |
fc
CT2U
|
ShortFast | 2026-05-15 11:54:29 UTC | View |
| WYK Mesh Node T114 (WT14) |
+0.138s
After |
-58.0 dBm | 7.25 dB | 0 |
fc
CT2U
|
ShortFast | 2026-05-15 11:54:29 UTC | View |
| WYK Mesh Node T114 (WT14) |
+0.161s
After |
-58.0 dBm | 7.25 dB | 0 |
fc
CT2U
|
ShortFast | 2026-05-15 11:54:29 UTC | View |
| WYK Mesh Node T114 (WT14) |
+0.183s
After |
-58.0 dBm | 7.25 dB | 0 |
fc
CT2U
|
ShortFast | 2026-05-15 11:54:29 UTC | View |
| WYK Mesh Node T114 (WT14) |
+0.206s
After |
-58.0 dBm | 7.25 dB | 0 |
fc
CT2U
|
ShortFast | 2026-05-15 11:54:29 UTC | View |
| WYK Mesh Node T114 (WT14) |
+0.227s
After |
-58.0 dBm | 7.25 dB | 0 |
fc
CT2U
|
ShortFast | 2026-05-15 11:54:29 UTC | View |
| WYK Mesh Node T114 (WT14) |
+0.247s
After |
-58.0 dBm | 7.25 dB | 0 |
fc
CT2U
|
ShortFast | 2026-05-15 11:54:29 UTC | View |
| WYK Mesh Node T114 (WT14) |
+0.267s
After |
-58.0 dBm | 7.25 dB | 0 |
fc
CT2U
|
ShortFast | 2026-05-15 11:54:29 UTC | View |
| WYK Mesh Node T114 (WT14) |
+0.288s
After |
-58.0 dBm | 7.25 dB | 0 |
fc
CT2U
|
ShortTurbo | 2026-05-15 11:54:29 UTC | View |
| WYK Mesh Node T114 (WT14) |
+0.311s
After |
-58.0 dBm | 7.25 dB | 0 |
fc
CT2U
|
ShortTurbo | 2026-05-15 11:54:29 UTC | View |
| WYK Mesh Node T114 (WT14) |
+0.336s
After |
-58.0 dBm | 7.25 dB | 0 |
fc
CT2U
|
ShortTurbo | 2026-05-15 11:54:29 UTC | View |
| WYK Mesh Node T114 (WT14) |
+0.359s
After |
-58.0 dBm | 7.25 dB | 0 |
fc
CT2U
|
ShortTurbo | 2026-05-15 11:54:29 UTC | View |
| WYK Mesh Node T114 (WT14) |
+0.381s
After |
-58.0 dBm | 7.25 dB | 0 |
fc
CT2U
|
ShortTurbo | 2026-05-15 11:54:29 UTC | View |
| WYK Mesh Node T114 (WT14) |
+0.402s
After |
-58.0 dBm | 7.25 dB | 0 |
fc
CT2U
|
ShortTurbo | 2026-05-15 11:54:29 UTC | View |
| WYK Mesh Node T114 (WT14) |
+0.422s
After |
-58.0 dBm | 7.25 dB | 0 |
fc
CT2U
|
ShortTurbo | 2026-05-15 11:54:29 UTC | View |
| WYK Mesh Node T114 (WT14) |
+0.443s
After |
-58.0 dBm | 7.25 dB | 0 |
fc
CT2U
|
ShortTurbo | 2026-05-15 11:54:29 UTC | View |
| WYK Mesh Node T114 (WT14) |
+0.463s
After |
-58.0 dBm | 7.25 dB | 0 |
fc
CT2U
|
ShortTurbo | 2026-05-15 11:54:29 UTC | View |
| WYK Mesh Node T114 (WT14) |
+0.486s
After |
-58.0 dBm | 7.25 dB | 0 |
fc
CT2U
|
ShortTurbo | 2026-05-15 11:54:29 UTC | View |
| WYK Mesh Node T114 (WT14) |
+0.517s
After |
-58.0 dBm | 7.25 dB | 0 |
fc
CT2U
|
ShortTurbo | 2026-05-15 11:54:29 UTC | View |
| WYK Mesh Node T114 (WT14) |
+0.551s
After |
-58.0 dBm | 7.25 dB | 0 |
fc
CT2U
|
LongFast | 2026-05-15 11:54:29 UTC | View |
| Concerned Third Party SECONDARY ($CTP) |
+7.601s
After |
Unknown | Unknown | 6 |
c4
|
LongFast | 2026-05-15 11:54:36 UTC | View |
| Jitterbug BEAM [ConcernedThirdParty] (@JB) |
+7.864s
After |
Unknown | Unknown | 6 |
c4
|
LongFast | 2026-05-15 11:54:36 UTC | View |
47
Total Receptions
3
Unique Gateways