Packet #17970782 Success

NODEINFO_APP packet from Mechanicus Cadia (M3) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	17970782
Mesh Packet ID:	`0x63fdd9f5` Used for correlation across gateways
Timestamp:	2026-03-27 18:44:01 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`	`1774637039` 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`	`1774637041.254842` 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": 1677580789, "rx_time": 1774637039, "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 18:44:01 UTC	Current
Mechanicus Cadia (M3)	-0.772s Before	Unknown	Unknown	`9c` M3	LongFast	2026-03-27 18:44:00 UTC	View
Mechanicus Cadia (M3)	-0.751s Before	Unknown	Unknown	`9c` M3	LongFast	2026-03-27 18:44:00 UTC	View
Mechanicus Cadia (M3)	-0.730s Before	Unknown	Unknown	`9c` M3	LongFast	2026-03-27 18:44:00 UTC	View
Mechanicus Cadia (M3)	-0.705s Before	Unknown	Unknown	`9c` M3	LongFast	2026-03-27 18:44:00 UTC	View
Mechanicus Cadia (M3)	-0.680s Before	Unknown	Unknown	`9c` M3	LongFast	2026-03-27 18:44:00 UTC	View
Mechanicus Cadia (M3)	-0.657s Before	Unknown	Unknown	`9c` M3	LongFast	2026-03-27 18:44:00 UTC	View
Mechanicus Cadia (M3)	-0.633s Before	Unknown	Unknown	`9c` M3	LongFast	2026-03-27 18:44:00 UTC	View
Mechanicus Cadia (M3)	-0.611s Before	Unknown	Unknown	`9c` M3	LongFast	2026-03-27 18:44:00 UTC	View
Mechanicus Cadia (M3)	-0.589s Before	Unknown	Unknown	`9c` M3	LongFast	2026-03-27 18:44:00 UTC	View
Mechanicus Cadia (M3)	-0.567s Before	Unknown	Unknown	`9c` M3	LongFast	2026-03-27 18:44:00 UTC	View
Mechanicus Cadia (M3)	-0.545s Before	Unknown	Unknown	`9c` M3	LongFast	2026-03-27 18:44:00 UTC	View
Mechanicus Cadia (M3)	-0.521s Before	Unknown	Unknown	`9c` M3	MediumFast	2026-03-27 18:44:00 UTC	View
Mechanicus Cadia (M3)	-0.496s Before	Unknown	Unknown	`9c` M3	MediumFast	2026-03-27 18:44:00 UTC	View
Mechanicus Cadia (M3)	-0.473s Before	Unknown	Unknown	`9c` M3	MediumFast	2026-03-27 18:44:00 UTC	View
Mechanicus Cadia (M3)	-0.442s Before	Unknown	Unknown	`9c` M3	MediumFast	2026-03-27 18:44:00 UTC	View
Mechanicus Cadia (M3)	-0.420s Before	Unknown	Unknown	`9c` M3	MediumFast	2026-03-27 18:44:00 UTC	View
Mechanicus Cadia (M3)	-0.398s Before	Unknown	Unknown	`9c` M3	MediumFast	2026-03-27 18:44:00 UTC	View
Mechanicus Cadia (M3)	-0.371s Before	Unknown	Unknown	`9c` M3	MediumFast	2026-03-27 18:44:00 UTC	View
Mechanicus Cadia (M3)	-0.348s Before	Unknown	Unknown	`9c` M3	MediumFast	2026-03-27 18:44:00 UTC	View
Mechanicus Cadia (M3)	-0.324s Before	Unknown	Unknown	`9c` M3	MediumFast	2026-03-27 18:44:00 UTC	View
Mechanicus Cadia (M3)	-0.300s Before	Unknown	Unknown	`9c` M3	MediumFast	2026-03-27 18:44:00 UTC	View
Mechanicus Cadia (M3)	-0.276s Before	Unknown	Unknown	`9c` M3	MediumFast	2026-03-27 18:44:00 UTC	View
Mechanicus Cadia (M3)	-0.254s Before	Unknown	Unknown	`9c` M3	ShortFast	2026-03-27 18:44:01 UTC	View
Mechanicus Cadia (M3)	-0.232s Before	Unknown	Unknown	`9c` M3	ShortFast	2026-03-27 18:44:01 UTC	View
Mechanicus Cadia (M3)	-0.210s Before	Unknown	Unknown	`9c` M3	ShortFast	2026-03-27 18:44:01 UTC	View
Mechanicus Cadia (M3)	-0.187s Before	Unknown	Unknown	`9c` M3	ShortFast	2026-03-27 18:44:01 UTC	View
Mechanicus Cadia (M3)	-0.164s Before	Unknown	Unknown	`9c` M3	ShortFast	2026-03-27 18:44:01 UTC	View
Mechanicus Cadia (M3)	-0.140s Before	Unknown	Unknown	`9c` M3	ShortFast	2026-03-27 18:44:01 UTC	View
Mechanicus Cadia (M3)	-0.117s Before	Unknown	Unknown	`9c` M3	ShortFast	2026-03-27 18:44:01 UTC	View
Mechanicus Cadia (M3)	-0.093s Before	Unknown	Unknown	`9c` M3	ShortFast	2026-03-27 18:44:01 UTC	View
Mechanicus Cadia (M3)	-0.071s Before	Unknown	Unknown	`9c` M3	ShortFast	2026-03-27 18:44:01 UTC	View
Mechanicus Cadia (M3)	-0.049s Before	Unknown	Unknown	`9c` M3	ShortFast	2026-03-27 18:44:01 UTC	View
Mechanicus Cadia (M3)	-0.022s Before	Unknown	Unknown	`9c` M3	ShortFast	2026-03-27 18:44:01 UTC	View
Mechanicus Cadia (M3)	+0.025s After	Unknown	Unknown	`9c` M3	ShortTurbo	2026-03-27 18:44:01 UTC	View
Mechanicus Cadia (M3)	+0.050s After	Unknown	Unknown	`9c` M3	ShortTurbo	2026-03-27 18:44:01 UTC	View
Mechanicus Cadia (M3)	+0.074s After	Unknown	Unknown	`9c` M3	ShortTurbo	2026-03-27 18:44:01 UTC	View
Mechanicus Cadia (M3)	+0.097s After	Unknown	Unknown	`9c` M3	ShortTurbo	2026-03-27 18:44:01 UTC	View
Mechanicus Cadia (M3)	+0.119s After	Unknown	Unknown	`9c` M3	ShortTurbo	2026-03-27 18:44:01 UTC	View
Mechanicus Cadia (M3)	+0.141s After	Unknown	Unknown	`9c` M3	ShortTurbo	2026-03-27 18:44:01 UTC	View
Mechanicus Cadia (M3)	+0.163s After	Unknown	Unknown	`9c` M3	ShortTurbo	2026-03-27 18:44:01 UTC	View
Mechanicus Cadia (M3)	+0.185s After	Unknown	Unknown	`9c` M3	ShortTurbo	2026-03-27 18:44:01 UTC	View
Mechanicus Cadia (M3)	+0.216s After	Unknown	Unknown	`9c` M3	ShortTurbo	2026-03-27 18:44:01 UTC	View
Mechanicus Cadia (M3)	+0.240s After	Unknown	Unknown	`9c` M3	ShortTurbo	2026-03-27 18:44:01 UTC	View
Mechanicus Cadia (M3)	+0.263s After	Unknown	Unknown	`9c` M3	LongFast	2026-03-27 18:44:01 UTC	View

45

Total Receptions

1

Unique Gateways