Packet #18008777 Success

NODEINFO_APP packet from FLAB-240E (FLAB) to !33643de4

45
Total Receptions
1
Unique Gateways
0
Hop Count
74
Payload Bytes
Packet Information
Database ID: 18008777
Mesh Packet ID: 0xc398abc8
Used for correlation across gateways
Timestamp: 2026-03-27 21:02:40 UTC
From Node: FLAB-240E (FLAB)
To Node: !33643de4 (3de4)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: FLAN-F208 (FLAN)
Channel: MediumFast
RSSI: -28 dBm
SNR: 6.5 dBm
Hop Info: 0/6 hops
Start: 6, Limit: 6
Relay Node: 0e FLAB
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: 74 bytes
Decoded: Yes
Decoded Data:
Long Name:FLAB-240E
Short Name:FLAB
Node ID:!f7e8240e
MAC Address:2ej36CQO
Hardware:HELTEC_MESH_POCKET
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:74 bytes
Gateway:!433af208
Channel:MediumFast
Payload Type:NODEINFO_APP
Hop Count:Unknown / 6
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 3 more...
Exposure Risks:
⚠ Packet visible to MQTT subscribers
⚠ RF signal metrics exposed (location inference possible)
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !433af208
Node ID format
channel_id MediumFast
packet MeshPacket (74 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 4159185934
Source node ID
uint32
to 862207460
Target node ID
uint32
decoded.portnum 4
NODEINFO_APP
enum
decoded.payload_length 74 bytes size
hop_limit 6
Remaining hops allowed
uint32
hop_start 6
Initial hop limit
uint32
hops_taken 0
Calculated: hop_start - hop_limit
derived
rx_rssi -28.0 dBm
Signal strength at gateway
int32
rx_snr 6.50 dB
Signal quality at gateway
float
rx_time 1774645358
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 14
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774645360.597727
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:
  • ✓ Direct LoRa transmission (not via MQTT)
  • ✓ Targeted to specific node
  • ✓ Custom channel: MediumFast
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !433af208
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -28.0 dBm
SNR: 6.50 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:74 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!f7e8240e", "long_name": "FLAB-240E", "short_name": "FLAB", "macaddr": "2ej36CQO", "hw_model": "HELTEC_MESH_POCKET" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!433af208", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 4159185934, "to": 862207460, "id": 3281562568, "rx_time": 1774645358, "rx_snr": 6.5, "rx_rssi": -28, "hop_limit": 6, "hop_start": 6, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 14, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a092166376538323430651209464c41422d323430451a04464c41422206d9e8f7e8240e285e42202faed83795c808a0756b1ce8a31225e870f94f4de62db54057a8bff4e6473e104800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!f7e8240e", "long_name": "FLAB-240E", "short_name": "FLAB", "macaddr": "2ej36CQO", "hw_model": "HELTEC_MESH_POCKET", "public_key": "L67YN5XICKB1axzooxIl6HD5T03mLbVAV6i/9OZHPhA=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (74 bytes)
0a092166376538323430651209464c41422d323430451a04464c41422206d9e8f7e8240e285e42202faed83795c808a0756b1ce8a31225e870f94f4de62db54057a8bff4e6473e104800
Hex Analysis:
Size:74 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 Relay Channel Timestamp Actions
FLAN-F208 (FLAN) Primary 0.000s
Reference
-28.0 dBm 6.50 dB 0 0e FLAB MediumFast 2026-03-27 21:02:40 UTC Current
FLAN-F208 (FLAN) -0.604s
Before
-28.0 dBm 6.50 dB 0 0e FLAB LongFast 2026-03-27 21:02:39 UTC View
FLAN-F208 (FLAN) -0.563s
Before
-28.0 dBm 6.50 dB 0 0e FLAB LongFast 2026-03-27 21:02:40 UTC View
FLAN-F208 (FLAN) -0.497s
Before
-28.0 dBm 6.50 dB 0 0e FLAB LongFast 2026-03-27 21:02:40 UTC View
FLAN-F208 (FLAN) -0.467s
Before
-28.0 dBm 6.50 dB 0 0e FLAB LongFast 2026-03-27 21:02:40 UTC View
FLAN-F208 (FLAN) -0.435s
Before
-28.0 dBm 6.50 dB 0 0e FLAB LongFast 2026-03-27 21:02:40 UTC View
FLAN-F208 (FLAN) -0.387s
Before
-28.0 dBm 6.50 dB 0 0e FLAB LongFast 2026-03-27 21:02:40 UTC View
FLAN-F208 (FLAN) -0.343s
Before
-28.0 dBm 6.50 dB 0 0e FLAB LongFast 2026-03-27 21:02:40 UTC View
FLAN-F208 (FLAN) -0.299s
Before
-28.0 dBm 6.50 dB 0 0e FLAB LongFast 2026-03-27 21:02:40 UTC View
FLAN-F208 (FLAN) -0.244s
Before
-28.0 dBm 6.50 dB 0 0e FLAB LongFast 2026-03-27 21:02:40 UTC View
FLAN-F208 (FLAN) -0.183s
Before
-28.0 dBm 6.50 dB 0 0e FLAB LongFast 2026-03-27 21:02:40 UTC View
FLAN-F208 (FLAN) -0.156s
Before
-28.0 dBm 6.50 dB 0 0e FLAB LongFast 2026-03-27 21:02:40 UTC View
FLAN-F208 (FLAN) -0.117s
Before
-28.0 dBm 6.50 dB 0 0e FLAB MediumFast 2026-03-27 21:02:40 UTC View
FLAN-F208 (FLAN) -0.087s
Before
-28.0 dBm 6.50 dB 0 0e FLAB MediumFast 2026-03-27 21:02:40 UTC View
FLAN-F208 (FLAN) -0.063s
Before
-28.0 dBm 6.50 dB 0 0e FLAB MediumFast 2026-03-27 21:02:40 UTC View
FLAN-F208 (FLAN) -0.026s
Before
-28.0 dBm 6.50 dB 0 0e FLAB MediumFast 2026-03-27 21:02:40 UTC View
FLAN-F208 (FLAN) +0.043s
After
-28.0 dBm 6.50 dB 0 0e FLAB MediumFast 2026-03-27 21:02:40 UTC View
FLAN-F208 (FLAN) +0.071s
After
-28.0 dBm 6.50 dB 0 0e FLAB MediumFast 2026-03-27 21:02:40 UTC View
FLAN-F208 (FLAN) +0.102s
After
-28.0 dBm 6.50 dB 0 0e FLAB MediumFast 2026-03-27 21:02:40 UTC View
FLAN-F208 (FLAN) +0.136s
After
-28.0 dBm 6.50 dB 0 0e FLAB MediumFast 2026-03-27 21:02:40 UTC View
FLAN-F208 (FLAN) +0.163s
After
-28.0 dBm 6.50 dB 0 0e FLAB MediumFast 2026-03-27 21:02:40 UTC View
FLAN-F208 (FLAN) +0.202s
After
-28.0 dBm 6.50 dB 0 0e FLAB MediumFast 2026-03-27 21:02:40 UTC View
FLAN-F208 (FLAN) +0.234s
After
-28.0 dBm 6.50 dB 0 0e FLAB ShortFast 2026-03-27 21:02:40 UTC View
FLAN-F208 (FLAN) +0.264s
After
-28.0 dBm 6.50 dB 0 0e FLAB ShortFast 2026-03-27 21:02:40 UTC View
FLAN-F208 (FLAN) +0.294s
After
-28.0 dBm 6.50 dB 0 0e FLAB ShortFast 2026-03-27 21:02:40 UTC View
FLAN-F208 (FLAN) +0.318s
After
-28.0 dBm 6.50 dB 0 0e FLAB ShortFast 2026-03-27 21:02:40 UTC View
FLAN-F208 (FLAN) +0.341s
After
-28.0 dBm 6.50 dB 0 0e FLAB ShortFast 2026-03-27 21:02:40 UTC View
FLAN-F208 (FLAN) +0.363s
After
-28.0 dBm 6.50 dB 0 0e FLAB ShortFast 2026-03-27 21:02:40 UTC View
FLAN-F208 (FLAN) +0.384s
After
-28.0 dBm 6.50 dB 0 0e FLAB ShortFast 2026-03-27 21:02:40 UTC View
FLAN-F208 (FLAN) +0.405s
After
-28.0 dBm 6.50 dB 0 0e FLAB ShortFast 2026-03-27 21:02:41 UTC View
FLAN-F208 (FLAN) +0.426s
After
-28.0 dBm 6.50 dB 0 0e FLAB ShortFast 2026-03-27 21:02:41 UTC View
FLAN-F208 (FLAN) +0.450s
After
-28.0 dBm 6.50 dB 0 0e FLAB ShortFast 2026-03-27 21:02:41 UTC View
FLAN-F208 (FLAN) +0.475s
After
-28.0 dBm 6.50 dB 0 0e FLAB ShortFast 2026-03-27 21:02:41 UTC View
FLAN-F208 (FLAN) +0.498s
After
-28.0 dBm 6.50 dB 0 0e FLAB ShortTurbo 2026-03-27 21:02:41 UTC View
FLAN-F208 (FLAN) +0.533s
After
-28.0 dBm 6.50 dB 0 0e FLAB ShortTurbo 2026-03-27 21:02:41 UTC View
FLAN-F208 (FLAN) +0.554s
After
-28.0 dBm 6.50 dB 0 0e FLAB ShortTurbo 2026-03-27 21:02:41 UTC View
FLAN-F208 (FLAN) +0.575s
After
-28.0 dBm 6.50 dB 0 0e FLAB ShortTurbo 2026-03-27 21:02:41 UTC View
FLAN-F208 (FLAN) +0.597s
After
-28.0 dBm 6.50 dB 0 0e FLAB ShortTurbo 2026-03-27 21:02:41 UTC View
FLAN-F208 (FLAN) +0.620s
After
-28.0 dBm 6.50 dB 0 0e FLAB ShortTurbo 2026-03-27 21:02:41 UTC View
FLAN-F208 (FLAN) +0.644s
After
-28.0 dBm 6.50 dB 0 0e FLAB ShortTurbo 2026-03-27 21:02:41 UTC View
FLAN-F208 (FLAN) +0.668s
After
-28.0 dBm 6.50 dB 0 0e FLAB ShortTurbo 2026-03-27 21:02:41 UTC View
FLAN-F208 (FLAN) +0.692s
After
-28.0 dBm 6.50 dB 0 0e FLAB ShortTurbo 2026-03-27 21:02:41 UTC View
FLAN-F208 (FLAN) +0.718s
After
-28.0 dBm 6.50 dB 0 0e FLAB ShortTurbo 2026-03-27 21:02:41 UTC View
FLAN-F208 (FLAN) +0.740s
After
-28.0 dBm 6.50 dB 0 0e FLAB ShortTurbo 2026-03-27 21:02:41 UTC View
FLAN-F208 (FLAN) +0.761s
After
-28.0 dBm 6.50 dB 0 0e FLAB LongFast 2026-03-27 21:02:41 UTC View
45

Total Receptions

1

Unique Gateways