Packet #39267759 Success

NODEINFO_APP packet from Raspberry Pi 4 (45e0) to WebWiz (789c)

45
Total Receptions
1
Unique Gateways
0
Hop Count
79
Payload Bytes
Packet Information
Database ID: 39267759
Mesh Packet ID: 0xfc9f0535
Used for correlation across gateways
Timestamp: 2026-05-15 18:16:38 UTC
From Node: Raspberry Pi 4 (45e0)
To Node: WebWiz (789c)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Raspberry Pi 4 (45e0)
Channel: LongFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/3 hops
Start: 3, Limit: 3
Relay Node: e0 45e0
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: 79 bytes
Decoded: Yes
Decoded Data:
Long Name:Raspberry Pi 4
Short Name:45e0
Node ID:!675845e0
MAC Address:LM9nWEXg
Hardware:PORTDUINO
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:79 bytes
Gateway:!675845e0
Channel:LongFast
Payload Type:NODEINFO_APP
Hop Count:Unknown / 3
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 2 more...
Exposure Risks:
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !675845e0
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (79 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1733838304
Source node ID
uint32
to 1130002588
Target node ID
uint32
decoded.portnum 4
NODEINFO_APP
enum
decoded.payload_length 79 bytes size
hop_limit 3
Remaining hops allowed
uint32
hop_start 3
Initial hop limit
uint32
hops_taken 0
Calculated: hop_start - hop_limit
derived
rx_rssi Not set int32
rx_snr Not set float
rx_time 1778868997
Receive timestamp
fixed32
via_mqtt False
Direct LoRa transmission
bool
want_ack False
No ACK requested
bool
priority 10
Packet priority level
enum
delayed Not set enum
channel Not set uint32
pki_encrypted False
Standard encryption
bool
next_hop Not set uint32
relay_node 224
Relay node ID
uint32
tx_after Not set uint32
timestamp 1778868998.512474
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
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
MQTT-Specific Fields
Gateway ID: !675845e0
Zero Hop Policy: Enabled
Direct gateway connection
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:79 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!675845e0", "long_name": "Raspberry Pi 4", "short_name": "45e0", "macaddr": "LM9nWEXg", "hw_model": "PORTDUINO" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!675845e0", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1733838304, "to": 1130002588, "id": 4238279989, "rx_time": 1778868997, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 3, "hop_start": 3, "via_mqtt": false, "want_ack": false, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 224, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213637353834356530120e52617370626572727920506920341a043435653022062ccf675845e0282542203f1826dc6b202115aa7038f83e2eb155999d0ec63bdcee21944b65cec220cb334800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!675845e0", "long_name": "Raspberry Pi 4", "short_name": "45e0", "macaddr": "LM9nWEXg", "hw_model": "PORTDUINO", "public_key": "Pxgm3GsgIRWqcDj4Pi6xVZmdDsY73O4hlEtlzsIgyzM=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (79 bytes)
0a09213637353834356530120e52617370626572727920506920341a043435653022062ccf675845e0282542203f1826dc6b202115aa7038f83e2eb155999d0ec63bdcee21944b65cec220cb334800
Hex Analysis:
Size:79 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
Raspberry Pi 4 (45e0) Primary 0.000s
Reference
Unknown Unknown 0 e0 45e0 LongFast 2026-05-15 18:16:38 UTC Current
Raspberry Pi 4 (45e0) -0.109s
Before
Unknown Unknown 0 e0 45e0 LongFast 2026-05-15 18:16:38 UTC View
Raspberry Pi 4 (45e0) -0.088s
Before
Unknown Unknown 0 e0 45e0 LongFast 2026-05-15 18:16:38 UTC View
Raspberry Pi 4 (45e0) -0.066s
Before
Unknown Unknown 0 e0 45e0 LongFast 2026-05-15 18:16:38 UTC View
Raspberry Pi 4 (45e0) -0.045s
Before
Unknown Unknown 0 e0 45e0 LongFast 2026-05-15 18:16:38 UTC View
Raspberry Pi 4 (45e0) -0.024s
Before
Unknown Unknown 0 e0 45e0 LongFast 2026-05-15 18:16:38 UTC View
Raspberry Pi 4 (45e0) +0.024s
After
Unknown Unknown 0 e0 45e0 LongFast 2026-05-15 18:16:38 UTC View
Raspberry Pi 4 (45e0) +0.047s
After
Unknown Unknown 0 e0 45e0 LongFast 2026-05-15 18:16:38 UTC View
Raspberry Pi 4 (45e0) +0.070s
After
Unknown Unknown 0 e0 45e0 LongFast 2026-05-15 18:16:38 UTC View
Raspberry Pi 4 (45e0) +0.091s
After
Unknown Unknown 0 e0 45e0 LongFast 2026-05-15 18:16:38 UTC View
Raspberry Pi 4 (45e0) +0.113s
After
Unknown Unknown 0 e0 45e0 LongFast 2026-05-15 18:16:38 UTC View
Raspberry Pi 4 (45e0) +0.134s
After
Unknown Unknown 0 e0 45e0 MediumFast 2026-05-15 18:16:38 UTC View
Raspberry Pi 4 (45e0) +0.155s
After
Unknown Unknown 0 e0 45e0 MediumFast 2026-05-15 18:16:38 UTC View
Raspberry Pi 4 (45e0) +0.179s
After
Unknown Unknown 0 e0 45e0 MediumFast 2026-05-15 18:16:38 UTC View
Raspberry Pi 4 (45e0) +0.203s
After
Unknown Unknown 0 e0 45e0 MediumFast 2026-05-15 18:16:38 UTC View
Raspberry Pi 4 (45e0) +0.226s
After
Unknown Unknown 0 e0 45e0 MediumFast 2026-05-15 18:16:38 UTC View
Raspberry Pi 4 (45e0) +0.249s
After
Unknown Unknown 0 e0 45e0 MediumFast 2026-05-15 18:16:38 UTC View
Raspberry Pi 4 (45e0) +0.271s
After
Unknown Unknown 0 e0 45e0 MediumFast 2026-05-15 18:16:38 UTC View
Raspberry Pi 4 (45e0) +0.292s
After
Unknown Unknown 0 e0 45e0 MediumFast 2026-05-15 18:16:38 UTC View
Raspberry Pi 4 (45e0) +0.313s
After
Unknown Unknown 0 e0 45e0 MediumFast 2026-05-15 18:16:38 UTC View
Raspberry Pi 4 (45e0) +0.334s
After
Unknown Unknown 0 e0 45e0 MediumFast 2026-05-15 18:16:38 UTC View
Raspberry Pi 4 (45e0) +0.358s
After
Unknown Unknown 0 e0 45e0 MediumFast 2026-05-15 18:16:38 UTC View
Raspberry Pi 4 (45e0) +0.382s
After
Unknown Unknown 0 e0 45e0 ShortFast 2026-05-15 18:16:38 UTC View
Raspberry Pi 4 (45e0) +0.406s
After
Unknown Unknown 0 e0 45e0 ShortFast 2026-05-15 18:16:38 UTC View
Raspberry Pi 4 (45e0) +0.429s
After
Unknown Unknown 0 e0 45e0 ShortFast 2026-05-15 18:16:38 UTC View
Raspberry Pi 4 (45e0) +0.450s
After
Unknown Unknown 0 e0 45e0 ShortFast 2026-05-15 18:16:38 UTC View
Raspberry Pi 4 (45e0) +0.472s
After
Unknown Unknown 0 e0 45e0 ShortFast 2026-05-15 18:16:38 UTC View
Raspberry Pi 4 (45e0) +0.493s
After
Unknown Unknown 0 e0 45e0 ShortFast 2026-05-15 18:16:39 UTC View
Raspberry Pi 4 (45e0) +0.514s
After
Unknown Unknown 0 e0 45e0 ShortFast 2026-05-15 18:16:39 UTC View
Raspberry Pi 4 (45e0) +0.538s
After
Unknown Unknown 0 e0 45e0 ShortFast 2026-05-15 18:16:39 UTC View
Raspberry Pi 4 (45e0) +0.562s
After
Unknown Unknown 0 e0 45e0 ShortFast 2026-05-15 18:16:39 UTC View
Raspberry Pi 4 (45e0) +0.586s
After
Unknown Unknown 0 e0 45e0 ShortFast 2026-05-15 18:16:39 UTC View
Raspberry Pi 4 (45e0) +0.609s
After
Unknown Unknown 0 e0 45e0 ShortFast 2026-05-15 18:16:39 UTC View
Raspberry Pi 4 (45e0) +0.630s
After
Unknown Unknown 0 e0 45e0 ShortTurbo 2026-05-15 18:16:39 UTC View
Raspberry Pi 4 (45e0) +0.652s
After
Unknown Unknown 0 e0 45e0 ShortTurbo 2026-05-15 18:16:39 UTC View
Raspberry Pi 4 (45e0) +0.673s
After
Unknown Unknown 0 e0 45e0 ShortTurbo 2026-05-15 18:16:39 UTC View
Raspberry Pi 4 (45e0) +0.694s
After
Unknown Unknown 0 e0 45e0 ShortTurbo 2026-05-15 18:16:39 UTC View
Raspberry Pi 4 (45e0) +0.718s
After
Unknown Unknown 0 e0 45e0 ShortTurbo 2026-05-15 18:16:39 UTC View
Raspberry Pi 4 (45e0) +0.742s
After
Unknown Unknown 0 e0 45e0 ShortTurbo 2026-05-15 18:16:39 UTC View
Raspberry Pi 4 (45e0) +0.765s
After
Unknown Unknown 0 e0 45e0 ShortTurbo 2026-05-15 18:16:39 UTC View
Raspberry Pi 4 (45e0) +0.794s
After
Unknown Unknown 0 e0 45e0 ShortTurbo 2026-05-15 18:16:39 UTC View
Raspberry Pi 4 (45e0) +0.815s
After
Unknown Unknown 0 e0 45e0 ShortTurbo 2026-05-15 18:16:39 UTC View
Raspberry Pi 4 (45e0) +0.836s
After
Unknown Unknown 0 e0 45e0 ShortTurbo 2026-05-15 18:16:39 UTC View
Raspberry Pi 4 (45e0) +0.857s
After
Unknown Unknown 0 e0 45e0 ShortTurbo 2026-05-15 18:16:39 UTC View
Raspberry Pi 4 (45e0) +0.879s
After
Unknown Unknown 0 e0 45e0 LongFast 2026-05-15 18:16:39 UTC View
45

Total Receptions

1

Unique Gateways