Packet #554830

Database ID:	554830
Mesh Packet ID:	`0x16858b16` Used for correlation across gateways
Timestamp:	2026-01-05 22:28:22 UTC
From Node:	Meshtastic 8684 (8684)
To Node:	Coca-Cola men 🌜 (Axel)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	Babushkina29 (B29)
Channel:	LongFast
RSSI:	-112 dBm
SNR:	-5.5 dBm
Hop Info:	3/3 hops Start: 3, Limit: 0

Long Name:	Meshtastic 8684
Short Name:	8684
Node ID:	!06f68684
MAC Address:	kBUG9oaE
Hardware:	TLORA_V2_1_1P6

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:	80 bytes
Gateway:	!db516588
Channel:	LongFast
Payload Type:	NODEINFO_APP
Hop Count:	3 / 3

Privacy Summary

Exposure Level:
Direct Message

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 1 more...

Exposure Risks:
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
+ 2 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!db516588` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (80 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`116819588` Source node ID	uint32
`to`	`3863166465` Target node ID	uint32
`decoded.portnum`	`4` NODEINFO_APP	enum
`decoded.payload_length`	`80` bytes	size
`hop_limit`	Not set	uint32
`hop_start`	`3` Initial hop limit	uint32
`hops_taken`	`3` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-112.0` dBm Signal strength at gateway	int32
`rx_snr`	`-5.50` dB Signal quality at gateway	float
`rx_time`	`1767652037` Receive timestamp	fixed32
`via_mqtt`	False Direct LoRa transmission	bool
`want_ack`	False No ACK requested	bool
`priority`	Not set	enum
`delayed`	Not set	enum
`channel`	Not set	uint32
`pki_encrypted`	False Standard encryption	bool
`next_hop`	Not set	uint32
`relay_node`	`44` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1767652102.5267065` 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
✓ Gateway node ID tracked

Exposure Risks:

⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (3 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!db516588`
Signal Metrics:	RSSI: -112.0 dBm SNR: -5.50 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	NODEINFO_APP
Size:	80 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "id": "!06f68684", "long_name": "Meshtastic 8684", "short_name": "8684", "macaddr": "kBUG9oaE", "hw_model": "TLORA_V2_1_1P6" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!db516588", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 116819588, "to": 3863166465, "id": 377850646, "rx_time": 1767652037, "rx_snr": -5.5, "rx_rssi": -112, "hop_limit": 0, "hop_start": 3, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 44, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213036663638363834120f4d65736874617374696320383638341a04383638342206901506f68684280342206cd3af68d93c3626a5884657557cf123bd1eaa3d6f8cd34072cd90819adfab564800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!06f68684", "long_name": "Meshtastic 8684", "short_name": "8684", "macaddr": "kBUG9oaE", "hw_model": "TLORA_V2_1_1P6", "public_key": "bNOvaNk8NialiEZXVXzxI70eqj1vjNNAcs2QgZrfq1Y=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }

Raw Packet Data (80 bytes)

0a09213036663638363834120f4d65736874617374696320383638341a04383638342206901506f68684280342206cd3af68d93c3626a5884657557cf123bd1eaa3d6f8cd34072cd90819adfab564800

Hex Analysis:

Size:	80 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.

Packet #554830 Success

Packet Information

Payload Data

Decoded Data: