Packet #8664005

Database ID:	8664005
Mesh Packet ID:	`0x138a1046` Used for correlation across gateways
Timestamp:	2025-08-31 16:44:17 UTC
From Node:	Sobradiel-3_EA2EYJ/Ant Vertical>Solar (Luis)
To Node:	NetRunner-02 (NR02)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	!4d7b5fe5 (5fe5)
Channel:	Iberia
RSSI:	-98 dBm
SNR:	7.0 dBm
Hop Info:	0/5 hops Start: 5, Limit: 5

Long Name:	Sobradiel/1 EA2EYJ_GW-868 🏠📡
Short Name:	Luis
Node ID:	!4cd5271a
MAC Address:	1UNM1Sca
Hardware:	T_ECHO

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:	97 bytes
Gateway:	!4d7b5fe5
Channel:	Iberia
Payload Type:	NODEINFO_APP
Hop Count:	Unknown / 5

Privacy Summary

Exposure Level:
Direct Message

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 3 more...

Exposure Risks:
⚠ Packet visible to MQTT subscribers
⚠ RF signal metrics exposed (location inference possible)

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!4d7b5fe5` Node ID format
`channel_id`	`Iberia`
`packet`	`MeshPacket` (97 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`1289037594` Source node ID	uint32
`to`	`660979863` Target node ID	uint32
`decoded.portnum`	`4` NODEINFO_APP	enum
`decoded.payload_length`	`97` bytes	size
`hop_limit`	`5` Remaining hops allowed	uint32
`hop_start`	`5` Initial hop limit	uint32
`hops_taken`	`0` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-98.0` dBm Signal strength at gateway	int32
`rx_snr`	`7.00` dB Signal quality at gateway	float
`rx_time`	`1756658621` 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`	`26` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1756658657.2111545` 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
✓ Custom channel: Iberia
✓ Gateway node ID tracked
✓ Zero-hop: direct from source to MQTT gateway

Exposure Risks:

⚠ Packet visible to MQTT subscribers
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!4d7b5fe5`
Zero Hop Policy:	Enabled Direct gateway connection
Signal Metrics:	RSSI: -98.0 dBm SNR: 7.00 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	NODEINFO_APP
Size:	97 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "id": "!4cd5271a", "long_name": "Sobradiel/1 EA2EYJ_GW-868 🏠📡", "short_name": "Luis", "macaddr": "1UNM1Sca", "hw_model": "T_ECHO" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!4d7b5fe5", "channel_id": "Iberia", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1289037594, "to": 660979863, "id": 327815238, "rx_time": 1756658621, "rx_snr": 7.0, "rx_rssi": -98, "hop_limit": 5, "hop_start": 5, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 26, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a092134636435323731611222536f6272616469656c2f312045413245594a5f47572d38363820f09f8fa0f09f93a11a044c7569732206d5434cd5271a280742206d35bb3b199a6f350cbb3af8d7b9734900091a31d9653e7ff3887dbe7e46ce0d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!4cd5271a", "long_name": "Sobradiel/1 EA2EYJ_GW-868 🏠📡", "short_name": "Luis", "macaddr": "1UNM1Sca", "hw_model": "T_ECHO", "public_key": "bTW7OxmabzUMuzr417lzSQAJGjHZZT5/84h9vn5Gzg0=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }

Raw Packet Data (97 bytes)

0a092134636435323731611222536f6272616469656c2f312045413245594a5f47572d38363820f09f8fa0f09f93a11a044c7569732206d5434cd5271a280742206d35bb3b199a6f350cbb3af8d7b9734900091a31d9653e7ff3887dbe7e46ce0d

Hex Analysis:

Size:	97 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 #8664005 Success

Packet Information

Payload Data

Decoded Data: