Packet #310924

Database ID:	310924
Mesh Packet ID:	`0x9b6b5063` Used for correlation across gateways
Timestamp:	2026-01-05 10:17:39 UTC
From Node:	TiAmeria 868MHz (TiA8)
To Node:	РнД СНТ Агропром 🌿 (AGRO)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	q00_Repeater (q00)
Channel:	LongFast
RSSI:	-138 dBm
SNR:	-15.0 dBm
Hop Info:	1/7 hops Start: 7, Limit: 6

Long Name:	TiAmeria 868MHz
Short Name:	TiA8
Node ID:	!c1c9400d
MAC Address:	3dnByUAN
Hardware:	THINKNODE_M1

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:	46 bytes
Gateway:	!8488730c
Channel:	LongFast
Payload Type:	NODEINFO_APP
Hop Count:	1 / 7

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`	`!8488730c` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (46 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`3251191821` Source node ID	uint32
`to`	`1439172152` Target node ID	uint32
`decoded.portnum`	`4` NODEINFO_APP	enum
`decoded.payload_length`	`46` bytes	size
`hop_limit`	`6` Remaining hops allowed	uint32
`hop_start`	`7` Initial hop limit	uint32
`hops_taken`	`1` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-138.0` dBm Signal strength at gateway	int32
`rx_snr`	`-15.00` dB Signal quality at gateway	float
`rx_time`	`1767597457` 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`	`11` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1767597459.1076906` 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 (1 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!8488730c`
Signal Metrics:	RSSI: -138.0 dBm SNR: -15.00 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	NODEINFO_APP
Size:	46 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "id": "!c1c9400d", "long_name": "TiAmeria 868MHz", "short_name": "TiA8", "macaddr": "3dnByUAN", "hw_model": "THINKNODE_M1" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!8488730c", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3251191821, "to": 1439172152, "id": 2607501411, "rx_time": 1767597457, "rx_snr": -15.0, "rx_rssi": -138, "hop_limit": 6, "hop_start": 7, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 11, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09216331633934303064120f5469416d65726961203836384d487a1a04546941382206ddd9c1c9400d28593001", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!c1c9400d", "long_name": "TiAmeria 868MHz", "short_name": "TiA8", "macaddr": "3dnByUAN", "hw_model": "THINKNODE_M1", "is_licensed": true, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }

Raw Packet Data (46 bytes)

0a09216331633934303064120f5469416d65726961203836384d487a1a04546941382206ddd9c1c9400d28593001

Hex Analysis:

Size:	46 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 #310924 Success

Packet Information

Payload Data

Decoded Data: