Packet #10412235

Database ID:	10412235
Mesh Packet ID:	`0x9a88c69f` Used for correlation across gateways
Timestamp:	2025-09-13 12:00:35 UTC
From Node:	EA2CQ Tejado [#] (cq1)
To Node:	C191🏃‍♂️ (C191)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	EA2DSA base (DSA1)
Channel:	Iberia
RSSI:	-109 dBm
SNR:	-15.0 dBm
Hop Info:	3/4 hops Start: 4, Limit: 1

Long Name:	EA2CQ Tejado [#]
Short Name:	cq1
Node ID:	!db29ab68
MAC Address:	EFHbKato
Hardware:	HELTEC_V3

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:	!db2955cc
Channel:	Iberia
Payload Type:	NODEINFO_APP
Hop Count:	3 / 4

Privacy Summary

Exposure Level:
Direct Message

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 2 more...

Exposure Risks:
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (3 hops)
+ 1 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!db2955cc` Node ID format
`channel_id`	`Iberia`
`packet`	`MeshPacket` (80 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`3676941160` Source node ID	uint32
`to`	`2697721008` Target node ID	uint32
`decoded.portnum`	`4` NODEINFO_APP	enum
`decoded.payload_length`	`80` bytes	size
`hop_limit`	`1` Remaining hops allowed	uint32
`hop_start`	`4` Initial hop limit	uint32
`hops_taken`	`3` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-109.0` dBm Signal strength at gateway	int32
`rx_snr`	`-15.00` dB Signal quality at gateway	float
`rx_time`	`1757764834` 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`	`176` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1757764835.125803` 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

Exposure Risks:

⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (3 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!db2955cc`
Signal Metrics:	RSSI: -109.0 dBm SNR: -15.00 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": "!db29ab68", "long_name": "EA2CQ Tejado [#]", "short_name": "cq1", "macaddr": "EFHbKato", "hw_model": "HELTEC_V3" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!db2955cc", "channel_id": "Iberia", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3676941160, "to": 2697721008, "id": 2592655007, "rx_time": 1757764834, "rx_snr": -15.0, "rx_rssi": -109, "hop_limit": 1, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 176, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09216462323961623638121045413243512054656a61646f205b235d1a0363713122061051db29ab68282b42202a3ff409b8e658d39d6d8bb2ebf4be2380bda2637e167451c11da91638c8e72b4801", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!db29ab68", "long_name": "EA2CQ Tejado [#]", "short_name": "cq1", "macaddr": "EFHbKato", "hw_model": "HELTEC_V3", "public_key": "Kj/0CbjmWNOdbYuy6/S+I4C9omN+FnRRwR2pFjjI5ys=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }

Raw Packet Data (80 bytes)

0a09216462323961623638121045413243512054656a61646f205b235d1a0363713122061051db29ab68282b42202a3ff409b8e658d39d6d8bb2ebf4be2380bda2637e167451c11da91638c8e72b4801

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 #10412235 Success

Packet Information

Payload Data

Decoded Data: