Packet #17782450 Success

NODEINFO_APP packet from Mechanicus Cadia (M3) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	17782450
Mesh Packet ID:	`0x8147b9e0` Used for correlation across gateways
Timestamp:	2026-03-27 09:07:00 UTC
From Node:	Mechanicus Cadia (M3)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	Mechanicus Cadia (M3)
Channel:	ShortTurbo
RSSI:	Unknown
SNR:	Unknown
Hop Info:	0/7 hops Start: 7, Limit: 7
Relay Node:	`9c` M3 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:	Mechanicus Cadia
Short Name:	M3
Node ID:	!4359649c
MAC Address:	SMpDWWSc
Hardware:	HELTEC_V3

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:	!4359649c
Channel:	ShortTurbo
Payload Type:	NODEINFO_APP
Hop Count:	Unknown / 7

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortTurbo
+ 2 more...

Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!4359649c` Node ID format
`channel_id`	`ShortTurbo`
`packet`	`MeshPacket` (79 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`1129931932` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`4` NODEINFO_APP	enum
`decoded.payload_length`	`79` 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`	Not set	int32
`rx_snr`	Not set	float
`rx_time`	`1774602418` 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`	`156` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1774602420.885901` 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: ShortTurbo
✓ 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

MQTT-Specific Fields

Gateway ID:	`!4359649c`
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": "!4359649c", "long_name": "Mechanicus Cadia", "short_name": "M3", "macaddr": "SMpDWWSc", "hw_model": "HELTEC_V3" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!4359649c", "channel_id": "ShortTurbo", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1129931932, "to": 4294967295, "id": 2168961504, "rx_time": 1774602418, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 7, "hop_start": 7, "via_mqtt": false, "want_ack": false, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 156, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a0921343335393634396312104d656368616e696375732043616469611a024d33220648ca4359649c282b4220d9791de101d45f1c8c053c9d2a9a74a6cb1857eb7a4c22d60a481178329fe5264801", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!4359649c", "long_name": "Mechanicus Cadia", "short_name": "M3", "macaddr": "SMpDWWSc", "hw_model": "HELTEC_V3", "public_key": "2Xkd4QHUXxyMBTydKpp0pssYV+t6TCLWCkgReDKf5SY=", "is_unmessagable": true, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }

Raw Packet Data (79 bytes)

0a0921343335393634396312104d656368616e696375732043616469611a024d33220648ca4359649c282b4220d9791de101d45f1c8c053c9d2a9a74a6cb1857eb7a4c22d60a481178329fe5264801

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
Mechanicus Cadia (M3) Primary	0.000s Reference	Unknown	Unknown	`9c` M3	ShortTurbo	2026-03-27 09:07:00 UTC	Current
Mechanicus Cadia (M3)	-0.901s Before	Unknown	Unknown	`9c` M3	LongFast	2026-03-27 09:06:59 UTC	View
Mechanicus Cadia (M3)	-0.861s Before	Unknown	Unknown	`9c` M3	LongFast	2026-03-27 09:07:00 UTC	View
Mechanicus Cadia (M3)	-0.840s Before	Unknown	Unknown	`9c` M3	LongFast	2026-03-27 09:07:00 UTC	View
Mechanicus Cadia (M3)	-0.819s Before	Unknown	Unknown	`9c` M3	LongFast	2026-03-27 09:07:00 UTC	View
Mechanicus Cadia (M3)	-0.798s Before	Unknown	Unknown	`9c` M3	LongFast	2026-03-27 09:07:00 UTC	View
Mechanicus Cadia (M3)	-0.777s Before	Unknown	Unknown	`9c` M3	LongFast	2026-03-27 09:07:00 UTC	View
Mechanicus Cadia (M3)	-0.755s Before	Unknown	Unknown	`9c` M3	LongFast	2026-03-27 09:07:00 UTC	View
Mechanicus Cadia (M3)	-0.731s Before	Unknown	Unknown	`9c` M3	LongFast	2026-03-27 09:07:00 UTC	View
Mechanicus Cadia (M3)	-0.708s Before	Unknown	Unknown	`9c` M3	LongFast	2026-03-27 09:07:00 UTC	View
Mechanicus Cadia (M3)	-0.686s Before	Unknown	Unknown	`9c` M3	LongFast	2026-03-27 09:07:00 UTC	View
Mechanicus Cadia (M3)	-0.664s Before	Unknown	Unknown	`9c` M3	LongFast	2026-03-27 09:07:00 UTC	View
Mechanicus Cadia (M3)	-0.643s Before	Unknown	Unknown	`9c` M3	MediumFast	2026-03-27 09:07:00 UTC	View
Mechanicus Cadia (M3)	-0.622s Before	Unknown	Unknown	`9c` M3	MediumFast	2026-03-27 09:07:00 UTC	View
Mechanicus Cadia (M3)	-0.601s Before	Unknown	Unknown	`9c` M3	MediumFast	2026-03-27 09:07:00 UTC	View
Mechanicus Cadia (M3)	-0.580s Before	Unknown	Unknown	`9c` M3	MediumFast	2026-03-27 09:07:00 UTC	View
Mechanicus Cadia (M3)	-0.556s Before	Unknown	Unknown	`9c` M3	MediumFast	2026-03-27 09:07:00 UTC	View
Mechanicus Cadia (M3)	-0.533s Before	Unknown	Unknown	`9c` M3	MediumFast	2026-03-27 09:07:00 UTC	View
Mechanicus Cadia (M3)	-0.510s Before	Unknown	Unknown	`9c` M3	MediumFast	2026-03-27 09:07:00 UTC	View
Mechanicus Cadia (M3)	-0.488s Before	Unknown	Unknown	`9c` M3	MediumFast	2026-03-27 09:07:00 UTC	View
Mechanicus Cadia (M3)	-0.467s Before	Unknown	Unknown	`9c` M3	MediumFast	2026-03-27 09:07:00 UTC	View
Mechanicus Cadia (M3)	-0.446s Before	Unknown	Unknown	`9c` M3	MediumFast	2026-03-27 09:07:00 UTC	View
Mechanicus Cadia (M3)	-0.425s Before	Unknown	Unknown	`9c` M3	MediumFast	2026-03-27 09:07:00 UTC	View
Mechanicus Cadia (M3)	-0.403s Before	Unknown	Unknown	`9c` M3	ShortFast	2026-03-27 09:07:00 UTC	View
Mechanicus Cadia (M3)	-0.379s Before	Unknown	Unknown	`9c` M3	ShortFast	2026-03-27 09:07:00 UTC	View
Mechanicus Cadia (M3)	-0.356s Before	Unknown	Unknown	`9c` M3	ShortFast	2026-03-27 09:07:00 UTC	View
Mechanicus Cadia (M3)	-0.333s Before	Unknown	Unknown	`9c` M3	ShortFast	2026-03-27 09:07:00 UTC	View
Mechanicus Cadia (M3)	-0.311s Before	Unknown	Unknown	`9c` M3	ShortFast	2026-03-27 09:07:00 UTC	View
Mechanicus Cadia (M3)	-0.290s Before	Unknown	Unknown	`9c` M3	ShortFast	2026-03-27 09:07:00 UTC	View
Mechanicus Cadia (M3)	-0.269s Before	Unknown	Unknown	`9c` M3	ShortFast	2026-03-27 09:07:00 UTC	View
Mechanicus Cadia (M3)	-0.249s Before	Unknown	Unknown	`9c` M3	ShortFast	2026-03-27 09:07:00 UTC	View
Mechanicus Cadia (M3)	-0.227s Before	Unknown	Unknown	`9c` M3	ShortFast	2026-03-27 09:07:00 UTC	View
Mechanicus Cadia (M3)	-0.203s Before	Unknown	Unknown	`9c` M3	ShortFast	2026-03-27 09:07:00 UTC	View
Mechanicus Cadia (M3)	-0.180s Before	Unknown	Unknown	`9c` M3	ShortFast	2026-03-27 09:07:00 UTC	View
Mechanicus Cadia (M3)	-0.150s Before	Unknown	Unknown	`9c` M3	ShortTurbo	2026-03-27 09:07:00 UTC	View
Mechanicus Cadia (M3)	-0.130s Before	Unknown	Unknown	`9c` M3	ShortTurbo	2026-03-27 09:07:00 UTC	View
Mechanicus Cadia (M3)	-0.109s Before	Unknown	Unknown	`9c` M3	ShortTurbo	2026-03-27 09:07:00 UTC	View
Mechanicus Cadia (M3)	-0.089s Before	Unknown	Unknown	`9c` M3	ShortTurbo	2026-03-27 09:07:00 UTC	View
Mechanicus Cadia (M3)	-0.069s Before	Unknown	Unknown	`9c` M3	ShortTurbo	2026-03-27 09:07:00 UTC	View
Mechanicus Cadia (M3)	-0.045s Before	Unknown	Unknown	`9c` M3	ShortTurbo	2026-03-27 09:07:00 UTC	View
Mechanicus Cadia (M3)	-0.022s Before	Unknown	Unknown	`9c` M3	ShortTurbo	2026-03-27 09:07:00 UTC	View
Mechanicus Cadia (M3)	+0.023s After	Unknown	Unknown	`9c` M3	ShortTurbo	2026-03-27 09:07:00 UTC	View
Mechanicus Cadia (M3)	+0.049s After	Unknown	Unknown	`9c` M3	ShortTurbo	2026-03-27 09:07:00 UTC	View
Mechanicus Cadia (M3)	+0.069s After	Unknown	Unknown	`9c` M3	ShortTurbo	2026-03-27 09:07:00 UTC	View
Mechanicus Cadia (M3)	+0.089s After	Unknown	Unknown	`9c` M3	LongFast	2026-03-27 09:07:00 UTC	View

45

Total Receptions

1

Unique Gateways