Packet #39267769 Success

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

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	39267769
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:	MediumFast
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:	MediumFast
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
+ 3 more...

Exposure Risks:
⚠ Packet visible to MQTT subscribers

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!675845e0` Node ID format
`channel_id`	`MediumFast`
`packet`	`MeshPacket` (79 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`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`	`1778868998.7386198` 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

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": "MediumFast", "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

Loading reception map...

Map shows gateway locations that received this packet. Hop counts are displayed if available.

Gateway	Time Offset	RSSI	SNR	Relay	Channel	Timestamp	Actions
Raspberry Pi 4 (45e0) Primary	0.000s Reference	Unknown	Unknown	`e0` 45e0	MediumFast	2026-05-15 18:16:38 UTC	Current
Raspberry Pi 4 (45e0)	-0.335s Before	Unknown	Unknown	`e0` 45e0	LongFast	2026-05-15 18:16:38 UTC	View
Raspberry Pi 4 (45e0)	-0.314s Before	Unknown	Unknown	`e0` 45e0	LongFast	2026-05-15 18:16:38 UTC	View
Raspberry Pi 4 (45e0)	-0.292s Before	Unknown	Unknown	`e0` 45e0	LongFast	2026-05-15 18:16:38 UTC	View
Raspberry Pi 4 (45e0)	-0.271s Before	Unknown	Unknown	`e0` 45e0	LongFast	2026-05-15 18:16:38 UTC	View
Raspberry Pi 4 (45e0)	-0.250s Before	Unknown	Unknown	`e0` 45e0	LongFast	2026-05-15 18:16:38 UTC	View
Raspberry Pi 4 (45e0)	-0.226s Before	Unknown	Unknown	`e0` 45e0	LongFast	2026-05-15 18:16:38 UTC	View
Raspberry Pi 4 (45e0)	-0.202s Before	Unknown	Unknown	`e0` 45e0	LongFast	2026-05-15 18:16:38 UTC	View
Raspberry Pi 4 (45e0)	-0.179s Before	Unknown	Unknown	`e0` 45e0	LongFast	2026-05-15 18:16:38 UTC	View
Raspberry Pi 4 (45e0)	-0.156s Before	Unknown	Unknown	`e0` 45e0	LongFast	2026-05-15 18:16:38 UTC	View
Raspberry Pi 4 (45e0)	-0.135s Before	Unknown	Unknown	`e0` 45e0	LongFast	2026-05-15 18:16:38 UTC	View
Raspberry Pi 4 (45e0)	-0.113s Before	Unknown	Unknown	`e0` 45e0	LongFast	2026-05-15 18:16:38 UTC	View
Raspberry Pi 4 (45e0)	-0.092s Before	Unknown	Unknown	`e0` 45e0	MediumFast	2026-05-15 18:16:38 UTC	View
Raspberry Pi 4 (45e0)	-0.071s Before	Unknown	Unknown	`e0` 45e0	MediumFast	2026-05-15 18:16:38 UTC	View
Raspberry Pi 4 (45e0)	-0.047s Before	Unknown	Unknown	`e0` 45e0	MediumFast	2026-05-15 18:16:38 UTC	View
Raspberry Pi 4 (45e0)	-0.023s Before	Unknown	Unknown	`e0` 45e0	MediumFast	2026-05-15 18:16:38 UTC	View
Raspberry Pi 4 (45e0)	+0.023s After	Unknown	Unknown	`e0` 45e0	MediumFast	2026-05-15 18:16:38 UTC	View
Raspberry Pi 4 (45e0)	+0.044s After	Unknown	Unknown	`e0` 45e0	MediumFast	2026-05-15 18:16:38 UTC	View
Raspberry Pi 4 (45e0)	+0.066s After	Unknown	Unknown	`e0` 45e0	MediumFast	2026-05-15 18:16:38 UTC	View
Raspberry Pi 4 (45e0)	+0.087s After	Unknown	Unknown	`e0` 45e0	MediumFast	2026-05-15 18:16:38 UTC	View
Raspberry Pi 4 (45e0)	+0.108s After	Unknown	Unknown	`e0` 45e0	MediumFast	2026-05-15 18:16:38 UTC	View
Raspberry Pi 4 (45e0)	+0.132s After	Unknown	Unknown	`e0` 45e0	MediumFast	2026-05-15 18:16:38 UTC	View
Raspberry Pi 4 (45e0)	+0.156s After	Unknown	Unknown	`e0` 45e0	ShortFast	2026-05-15 18:16:38 UTC	View
Raspberry Pi 4 (45e0)	+0.180s After	Unknown	Unknown	`e0` 45e0	ShortFast	2026-05-15 18:16:38 UTC	View
Raspberry Pi 4 (45e0)	+0.203s After	Unknown	Unknown	`e0` 45e0	ShortFast	2026-05-15 18:16:38 UTC	View
Raspberry Pi 4 (45e0)	+0.224s After	Unknown	Unknown	`e0` 45e0	ShortFast	2026-05-15 18:16:38 UTC	View
Raspberry Pi 4 (45e0)	+0.246s After	Unknown	Unknown	`e0` 45e0	ShortFast	2026-05-15 18:16:38 UTC	View
Raspberry Pi 4 (45e0)	+0.267s After	Unknown	Unknown	`e0` 45e0	ShortFast	2026-05-15 18:16:39 UTC	View
Raspberry Pi 4 (45e0)	+0.288s After	Unknown	Unknown	`e0` 45e0	ShortFast	2026-05-15 18:16:39 UTC	View
Raspberry Pi 4 (45e0)	+0.311s After	Unknown	Unknown	`e0` 45e0	ShortFast	2026-05-15 18:16:39 UTC	View
Raspberry Pi 4 (45e0)	+0.336s After	Unknown	Unknown	`e0` 45e0	ShortFast	2026-05-15 18:16:39 UTC	View
Raspberry Pi 4 (45e0)	+0.359s After	Unknown	Unknown	`e0` 45e0	ShortFast	2026-05-15 18:16:39 UTC	View
Raspberry Pi 4 (45e0)	+0.383s After	Unknown	Unknown	`e0` 45e0	ShortFast	2026-05-15 18:16:39 UTC	View
Raspberry Pi 4 (45e0)	+0.404s After	Unknown	Unknown	`e0` 45e0	ShortTurbo	2026-05-15 18:16:39 UTC	View
Raspberry Pi 4 (45e0)	+0.425s After	Unknown	Unknown	`e0` 45e0	ShortTurbo	2026-05-15 18:16:39 UTC	View
Raspberry Pi 4 (45e0)	+0.446s After	Unknown	Unknown	`e0` 45e0	ShortTurbo	2026-05-15 18:16:39 UTC	View
Raspberry Pi 4 (45e0)	+0.468s After	Unknown	Unknown	`e0` 45e0	ShortTurbo	2026-05-15 18:16:39 UTC	View
Raspberry Pi 4 (45e0)	+0.491s After	Unknown	Unknown	`e0` 45e0	ShortTurbo	2026-05-15 18:16:39 UTC	View
Raspberry Pi 4 (45e0)	+0.515s After	Unknown	Unknown	`e0` 45e0	ShortTurbo	2026-05-15 18:16:39 UTC	View
Raspberry Pi 4 (45e0)	+0.538s After	Unknown	Unknown	`e0` 45e0	ShortTurbo	2026-05-15 18:16:39 UTC	View
Raspberry Pi 4 (45e0)	+0.568s After	Unknown	Unknown	`e0` 45e0	ShortTurbo	2026-05-15 18:16:39 UTC	View
Raspberry Pi 4 (45e0)	+0.589s After	Unknown	Unknown	`e0` 45e0	ShortTurbo	2026-05-15 18:16:39 UTC	View
Raspberry Pi 4 (45e0)	+0.610s After	Unknown	Unknown	`e0` 45e0	ShortTurbo	2026-05-15 18:16:39 UTC	View
Raspberry Pi 4 (45e0)	+0.630s After	Unknown	Unknown	`e0` 45e0	ShortTurbo	2026-05-15 18:16:39 UTC	View
Raspberry Pi 4 (45e0)	+0.653s After	Unknown	Unknown	`e0` 45e0	LongFast	2026-05-15 18:16:39 UTC	View

45

Total Receptions

1

Unique Gateways