Packet #39450374

Packet Information

Database ID:	39450374
Mesh Packet ID:	`0xff44aedf` Used for correlation across gateways
Timestamp:	2026-05-16 05:31:33 UTC
From Node:	WYK Meshnology N30 (WN30)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	TEXT_MESSAGE_APP Port: 1

Gateway:	WYK Meshnology N30 (WN30)
Channel:	MediumFast
RSSI:	Unknown
SNR:	Unknown
Hop Info:	0/7 hops Start: 7, Limit: 7
Relay Node:	`28` WN30 Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions

Payload Data

Protocol: TEXT_MESSAGE_APP

Size: 25 bytes

Decoded: No

'memoryview' object has no attribute 'decode'

Text Content:

5b4d543c3e4d435d2057594b322050616765723a206e697465

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:	25 bytes
Gateway:	!ba66fe28
Channel:	MediumFast
Payload Type:	TEXT_MESSAGE_APP
Hop Count:	Unknown / 7

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 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`	`!ba66fe28` Node ID format
`channel_id`	`MediumFast`
`packet`	`MeshPacket` (25 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`3127311912` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`1` TEXT_MESSAGE_APP	enum
`decoded.payload_length`	`25` 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`	`1778909492` Receive timestamp	fixed32
`via_mqtt`	False Direct LoRa transmission	bool
`want_ack`	False No ACK requested	bool
`priority`	`70` 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`	`40` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1778909493.4765484` 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: MediumFast
✓ 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:	`!ba66fe28`
Zero Hop Policy:	Enabled Direct gateway connection

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!ba66fe28", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3127311912, "to": 4294967295, "id": 4282691295, "rx_time": 1778909492, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 7, "hop_start": 7, "via_mqtt": false, "want_ack": false, "priority": 70, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 40, "tx_after": 0, "decoded": { "portnum": 1, "payload": "5b4d543c3e4d435d2057594b322050616765723a206e697465", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "raw_bytes": "5b4d543c3e4d435d2057594b322050616765723a206e697465", "type": "decode_error", "portnum": "TEXT_MESSAGE_APP", "decode_error": "'memoryview' object has no attribute 'decode'" } } } }

Raw Packet Data (25 bytes)

5b4d543c3e4d435d2057594b322050616765723a206e697465

Hex Analysis:

Size:	25 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	Hops	Relay	Channel	Timestamp	Actions
WYK Meshnology N30 (WN30) Primary	0.000s Reference	Unknown	Unknown	0	`28` WN30	MediumFast	2026-05-16 05:31:33 UTC	Current
WYK Meshnology N30 (WN30)	-0.162s Before	Unknown	Unknown	0	`28` WN30	LongFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	-0.126s Before	Unknown	Unknown	0	`28` WN30	LongFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	-0.113s Before	Unknown	Unknown	0	`28` WN30	LongFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	-0.100s Before	Unknown	Unknown	0	`28` WN30	LongFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	-0.088s Before	Unknown	Unknown	0	`28` WN30	LongFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	-0.076s Before	Unknown	Unknown	0	`28` WN30	LongFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	-0.064s Before	Unknown	Unknown	0	`28` WN30	LongFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	-0.053s Before	Unknown	Unknown	0	`28` WN30	LongFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	-0.042s Before	Unknown	Unknown	0	`28` WN30	LongFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	-0.031s Before	Unknown	Unknown	0	`28` WN30	LongFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	-0.021s Before	Unknown	Unknown	0	`28` WN30	LongFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	-0.010s Before	Unknown	Unknown	0	`28` WN30	MediumFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	+0.010s After	Unknown	Unknown	0	`28` WN30	MediumFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	+0.021s After	Unknown	Unknown	0	`28` WN30	MediumFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	+0.031s After	Unknown	Unknown	0	`28` WN30	MediumFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	+0.042s After	Unknown	Unknown	0	`28` WN30	MediumFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	+0.053s After	Unknown	Unknown	0	`28` WN30	MediumFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	+0.065s After	Unknown	Unknown	0	`28` WN30	MediumFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	+0.077s After	Unknown	Unknown	0	`28` WN30	MediumFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	+0.089s After	Unknown	Unknown	0	`28` WN30	MediumFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	+0.101s After	Unknown	Unknown	0	`28` WN30	MediumFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	+0.113s After	Unknown	Unknown	0	`28` WN30	ShortFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	+0.125s After	Unknown	Unknown	0	`28` WN30	ShortFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	+0.136s After	Unknown	Unknown	0	`28` WN30	ShortFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	+0.148s After	Unknown	Unknown	0	`28` WN30	ShortFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	+0.159s After	Unknown	Unknown	0	`28` WN30	ShortFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	+0.170s After	Unknown	Unknown	0	`28` WN30	ShortFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	+0.180s After	Unknown	Unknown	0	`28` WN30	ShortFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	+0.191s After	Unknown	Unknown	0	`28` WN30	ShortFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	+0.202s After	Unknown	Unknown	0	`28` WN30	ShortFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	+0.213s After	Unknown	Unknown	0	`28` WN30	ShortFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	+0.224s After	Unknown	Unknown	0	`28` WN30	ShortFast	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	+0.234s After	Unknown	Unknown	0	`28` WN30	ShortTurbo	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	+0.246s After	Unknown	Unknown	0	`28` WN30	ShortTurbo	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	+0.259s After	Unknown	Unknown	0	`28` WN30	ShortTurbo	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	+0.271s After	Unknown	Unknown	0	`28` WN30	ShortTurbo	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	+0.283s After	Unknown	Unknown	0	`28` WN30	ShortTurbo	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	+0.295s After	Unknown	Unknown	0	`28` WN30	ShortTurbo	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	+0.307s After	Unknown	Unknown	0	`28` WN30	ShortTurbo	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	+0.319s After	Unknown	Unknown	0	`28` WN30	ShortTurbo	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	+0.331s After	Unknown	Unknown	0	`28` WN30	ShortTurbo	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	+0.342s After	Unknown	Unknown	0	`28` WN30	ShortTurbo	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	+0.352s After	Unknown	Unknown	0	`28` WN30	ShortTurbo	2026-05-16 05:31:33 UTC	View
WYK Meshnology N30 (WN30)	+0.363s After	Unknown	Unknown	0	`28` WN30	LongFast	2026-05-16 05:31:33 UTC	View
Concerned Third Party SECONDARY ($CTP)	+16.947s After	Unknown	Unknown	5	`c4`	LongFast	2026-05-16 05:31:50 UTC	View
Jitterbug BEAM [ConcernedThirdParty] (@JB)	+17.713s After	Unknown	Unknown	5	`c4`	LongFast	2026-05-16 05:31:51 UTC	View

47

Total Receptions

3

Unique Gateways

Packet #39450374 Success