Packet #17521656 Success

NODEINFO_APP packet from Essex 78ca (78ca) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	17521656
Mesh Packet ID:	`0xcae4e35d` Used for correlation across gateways
Timestamp:	2026-03-26 18:29:53 UTC
From Node:	Essex 78ca (78ca)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	Essex 78ca (78ca)
Channel:	ShortFast
RSSI:	Unknown
SNR:	Unknown
Hop Info:	0/3 hops Start: 3, Limit: 3
Relay Node:	`ca` 78ca 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: 76 bytes

Decoded: Yes

Decoded Data:

Long Name:	Essex 78ca
Short Name:	78ca
Node ID:	!6fa578ca
MAC Address:	5N1vpXjK
Hardware:	PRIVATE_HW

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:	76 bytes
Gateway:	!6fa578ca
Channel:	ShortFast
Payload Type:	NODEINFO_APP
Hop Count:	Unknown / 3

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 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`	`!6fa578ca` Node ID format
`channel_id`	`ShortFast`
`packet`	`MeshPacket` (76 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`1873115338` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`4` NODEINFO_APP	enum
`decoded.payload_length`	`76` 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`	`1774549792` 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`	`202` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1774549793.5615141` 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: ShortFast
✓ 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:	`!6fa578ca`
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:	76 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "id": "!6fa578ca", "long_name": "Essex 78ca", "short_name": "78ca", "macaddr": "5N1vpXjK", "hw_model": "PRIVATE_HW" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!6fa578ca", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1873115338, "to": 4294967295, "id": 3403998045, "rx_time": 1774549792, "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": 202, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213666613537386361120a457373657820373863611a04373863612206e4dd6fa578ca28ff014220ce3dcf7d95ccec6096efa7bd14166698ee236fee8ae895cf7b8fed156c5e4b274800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!6fa578ca", "long_name": "Essex 78ca", "short_name": "78ca", "macaddr": "5N1vpXjK", "hw_model": "PRIVATE_HW", "public_key": "zj3PfZXM7GCW76e9FBZmmO4jb+6K6JXPe4/tFWxeSyc=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }

Raw Packet Data (76 bytes)

0a09213666613537386361120a457373657820373863611a04373863612206e4dd6fa578ca28ff014220ce3dcf7d95ccec6096efa7bd14166698ee236fee8ae895cf7b8fed156c5e4b274800

Hex Analysis:

Size:	76 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
Essex 78ca (78ca) Primary	0.000s Reference	Unknown	Unknown	`ca` 78ca	ShortFast	2026-03-26 18:29:53 UTC	Current
Essex 78ca (78ca)	-0.582s Before	Unknown	Unknown	`ca` 78ca	LongFast	2026-03-26 18:29:52 UTC	View
Essex 78ca (78ca)	-0.554s Before	Unknown	Unknown	`ca` 78ca	LongFast	2026-03-26 18:29:53 UTC	View
Essex 78ca (78ca)	-0.520s Before	Unknown	Unknown	`ca` 78ca	LongFast	2026-03-26 18:29:53 UTC	View
Essex 78ca (78ca)	-0.492s Before	Unknown	Unknown	`ca` 78ca	LongFast	2026-03-26 18:29:53 UTC	View
Essex 78ca (78ca)	-0.470s Before	Unknown	Unknown	`ca` 78ca	LongFast	2026-03-26 18:29:53 UTC	View
Essex 78ca (78ca)	-0.449s Before	Unknown	Unknown	`ca` 78ca	LongFast	2026-03-26 18:29:53 UTC	View
Essex 78ca (78ca)	-0.428s Before	Unknown	Unknown	`ca` 78ca	LongFast	2026-03-26 18:29:53 UTC	View
Essex 78ca (78ca)	-0.407s Before	Unknown	Unknown	`ca` 78ca	LongFast	2026-03-26 18:29:53 UTC	View
Essex 78ca (78ca)	-0.385s Before	Unknown	Unknown	`ca` 78ca	LongFast	2026-03-26 18:29:53 UTC	View
Essex 78ca (78ca)	-0.353s Before	Unknown	Unknown	`ca` 78ca	LongFast	2026-03-26 18:29:53 UTC	View
Essex 78ca (78ca)	-0.327s Before	Unknown	Unknown	`ca` 78ca	LongFast	2026-03-26 18:29:53 UTC	View
Essex 78ca (78ca)	-0.289s Before	Unknown	Unknown	`ca` 78ca	MediumFast	2026-03-26 18:29:53 UTC	View
Essex 78ca (78ca)	-0.268s Before	Unknown	Unknown	`ca` 78ca	MediumFast	2026-03-26 18:29:53 UTC	View
Essex 78ca (78ca)	-0.247s Before	Unknown	Unknown	`ca` 78ca	MediumFast	2026-03-26 18:29:53 UTC	View
Essex 78ca (78ca)	-0.226s Before	Unknown	Unknown	`ca` 78ca	MediumFast	2026-03-26 18:29:53 UTC	View
Essex 78ca (78ca)	-0.202s Before	Unknown	Unknown	`ca` 78ca	MediumFast	2026-03-26 18:29:53 UTC	View
Essex 78ca (78ca)	-0.179s Before	Unknown	Unknown	`ca` 78ca	MediumFast	2026-03-26 18:29:53 UTC	View
Essex 78ca (78ca)	-0.155s Before	Unknown	Unknown	`ca` 78ca	MediumFast	2026-03-26 18:29:53 UTC	View
Essex 78ca (78ca)	-0.132s Before	Unknown	Unknown	`ca` 78ca	MediumFast	2026-03-26 18:29:53 UTC	View
Essex 78ca (78ca)	-0.111s Before	Unknown	Unknown	`ca` 78ca	MediumFast	2026-03-26 18:29:53 UTC	View
Essex 78ca (78ca)	-0.089s Before	Unknown	Unknown	`ca` 78ca	MediumFast	2026-03-26 18:29:53 UTC	View
Essex 78ca (78ca)	-0.068s Before	Unknown	Unknown	`ca` 78ca	MediumFast	2026-03-26 18:29:53 UTC	View
Essex 78ca (78ca)	-0.047s Before	Unknown	Unknown	`ca` 78ca	ShortFast	2026-03-26 18:29:53 UTC	View
Essex 78ca (78ca)	-0.024s Before	Unknown	Unknown	`ca` 78ca	ShortFast	2026-03-26 18:29:53 UTC	View
Essex 78ca (78ca)	+0.023s After	Unknown	Unknown	`ca` 78ca	ShortFast	2026-03-26 18:29:53 UTC	View
Essex 78ca (78ca)	+0.053s After	Unknown	Unknown	`ca` 78ca	ShortFast	2026-03-26 18:29:53 UTC	View
Essex 78ca (78ca)	+0.074s After	Unknown	Unknown	`ca` 78ca	ShortFast	2026-03-26 18:29:53 UTC	View
Essex 78ca (78ca)	+0.095s After	Unknown	Unknown	`ca` 78ca	ShortFast	2026-03-26 18:29:53 UTC	View
Essex 78ca (78ca)	+0.116s After	Unknown	Unknown	`ca` 78ca	ShortFast	2026-03-26 18:29:53 UTC	View
Essex 78ca (78ca)	+0.137s After	Unknown	Unknown	`ca` 78ca	ShortFast	2026-03-26 18:29:53 UTC	View
Essex 78ca (78ca)	+0.161s After	Unknown	Unknown	`ca` 78ca	ShortFast	2026-03-26 18:29:53 UTC	View
Essex 78ca (78ca)	+0.185s After	Unknown	Unknown	`ca` 78ca	ShortFast	2026-03-26 18:29:53 UTC	View
Essex 78ca (78ca)	+0.208s After	Unknown	Unknown	`ca` 78ca	ShortTurbo	2026-03-26 18:29:53 UTC	View
Essex 78ca (78ca)	+0.230s After	Unknown	Unknown	`ca` 78ca	ShortTurbo	2026-03-26 18:29:53 UTC	View
Essex 78ca (78ca)	+0.252s After	Unknown	Unknown	`ca` 78ca	ShortTurbo	2026-03-26 18:29:53 UTC	View
Essex 78ca (78ca)	+0.273s After	Unknown	Unknown	`ca` 78ca	ShortTurbo	2026-03-26 18:29:53 UTC	View
Essex 78ca (78ca)	+0.294s After	Unknown	Unknown	`ca` 78ca	ShortTurbo	2026-03-26 18:29:53 UTC	View
Essex 78ca (78ca)	+0.315s After	Unknown	Unknown	`ca` 78ca	ShortTurbo	2026-03-26 18:29:53 UTC	View
Essex 78ca (78ca)	+0.338s After	Unknown	Unknown	`ca` 78ca	ShortTurbo	2026-03-26 18:29:53 UTC	View
Essex 78ca (78ca)	+0.362s After	Unknown	Unknown	`ca` 78ca	ShortTurbo	2026-03-26 18:29:53 UTC	View
Essex 78ca (78ca)	+0.385s After	Unknown	Unknown	`ca` 78ca	ShortTurbo	2026-03-26 18:29:53 UTC	View
Essex 78ca (78ca)	+0.408s After	Unknown	Unknown	`ca` 78ca	ShortTurbo	2026-03-26 18:29:53 UTC	View
Essex 78ca (78ca)	+0.429s After	Unknown	Unknown	`ca` 78ca	ShortTurbo	2026-03-26 18:29:53 UTC	View
Essex 78ca (78ca)	+0.450s After	Unknown	Unknown	`ca` 78ca	LongFast	2026-03-26 18:29:54 UTC	View

45

Total Receptions

1

Unique Gateways