Packet #368144

Database ID:	368144
Mesh Packet ID:	`0xa4f79925` Used for correlation across gateways
Timestamp:	2026-01-28 11:22:47 UTC
From Node:	Gallo Rojo (🐓)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	KQ4TAB GaMesh.net MQTT (TABQ)
Channel:	MediumFast
RSSI:	-112 dBm
SNR:	0.5 dBm
Hop Info:	3/3 hops Start: 3, Limit: 0
Relay Node:	`37` JACK Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions

Long Name:	Gallo Rojo
Short Name:	🐓
Node ID:	!a66bb072
MAC Address:	yrWma7By
Hardware:	TRACKER_T1000_E

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:	75 bytes
Gateway:	!b5b11353
Channel:	MediumFast
Payload Type:	NODEINFO_APP
Hop Count:	3 / 3

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 1 more...

Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 2 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!b5b11353` Node ID format
`channel_id`	`MediumFast`
`packet`	`MeshPacket` (75 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`2792075378` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`4` NODEINFO_APP	enum
`decoded.payload_length`	`75` 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`	`0.50` dB Signal quality at gateway	float
`rx_time`	`1769599365` 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`	`55` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1769599367.029919` 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

Exposure Risks:

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

MQTT-Specific Fields

Gateway ID:	`!b5b11353`
Signal Metrics:	RSSI: -112.0 dBm SNR: 0.50 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	NODEINFO_APP
Size:	75 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "id": "!a66bb072", "long_name": "Gallo Rojo", "short_name": "🐓", "macaddr": "yrWma7By", "hw_model": "TRACKER_T1000_E" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!b5b11353", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2792075378, "to": 4294967295, "id": 2767690021, "rx_time": 1769599365, "rx_snr": 0.5, "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": 55, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09216136366262303732120a47616c6c6f20526f6a6f1a04f09f90932206cab5a66bb072284742202cf859b20e6b5ccb57a1dd1174daff612908783481cbd4e362312e54e43260554800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!a66bb072", "long_name": "Gallo Rojo", "short_name": "🐓", "macaddr": "yrWma7By", "hw_model": "TRACKER_T1000_E", "public_key": "LPhZsg5rXMtXod0RdNr/YSkIeDSBy9TjYjEuVOQyYFU=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }

Raw Packet Data (75 bytes)

0a09216136366262303732120a47616c6c6f20526f6a6f1a04f09f90932206cab5a66bb072284742202cf859b20e6b5ccb57a1dd1174daff612908783481cbd4e362312e54e43260554800

Hex Analysis:

Size:	75 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 #368144 Success

Packet Information

Payload Data

Decoded Data: