Packet #2847506

Database ID:	2847506
Mesh Packet ID:	`0x57c000b4` Used for correlation across gateways
Timestamp:	2026-04-17 04:54:12 UTC
From Node:	Babin Zub (Dav5)
To Node:	SD_Landol (SD44)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	Paxy (7eac)
Channel:	MediumFast
RSSI:	-114 dBm
SNR:	-4.0 dBm
Hop Info:	3/3 hops Start: 3, Limit: 0

Long Name:	Babin Zub
Short Name:	Dav5
Node ID:	!95832781
MAC Address:	9IeVgyeB
Hardware:	RAK4631

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:	76 bytes
Gateway:	!43b77eac
Channel:	MediumFast
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
+ 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`	`!43b77eac` Node ID format
`channel_id`	`MediumFast`
`packet`	`MeshPacket` (76 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`2508400513` Source node ID	uint32
`to`	`1129713900` Target node ID	uint32
`decoded.portnum`	`4` NODEINFO_APP	enum
`decoded.payload_length`	`76` 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`	`-114.0` dBm Signal strength at gateway	int32
`rx_snr`	`-4.00` dB Signal quality at gateway	float
`rx_time`	`1776401651` 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`	Not set	uint32
`tx_after`	Not set	uint32
`timestamp`	`1776401652.885303` 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: MediumFast
✓ 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:	`!43b77eac`
Signal Metrics:	RSSI: -114.0 dBm SNR: -4.00 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	NODEINFO_APP
Size:	76 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "id": "!95832781", "long_name": "Babin Zub", "short_name": "Dav5", "macaddr": "9IeVgyeB", "hw_model": "RAK4631" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!43b77eac", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2508400513, "to": 1129713900, "id": 1472200884, "rx_time": 1776401651, "rx_snr": -4.0, "rx_rssi": -114, "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": 0, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a092139353833323738311209426162696e205a75621a04446176352206f487958327812809380242203efbb1c13d52e94ca55ae441739d6ef6df2d001c6a62296c3c6e547d2c5c42514801", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!95832781", "long_name": "Babin Zub", "short_name": "Dav5", "macaddr": "9IeVgyeB", "hw_model": "RAK4631", "role": "ROUTER", "public_key": "PvuxwT1S6UylWuRBc51u9t8tABxqYilsPG5UfSxcQlE=", "is_unmessagable": true, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }

Raw Packet Data (76 bytes)

0a092139353833323738311209426162696e205a75621a04446176352206f487958327812809380242203efbb1c13d52e94ca55ae441739d6ef6df2d001c6a62296c3c6e547d2c5c42514801

Hex Analysis:

Size:	76 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 #2847506 Success

Packet Information

Payload Data

Decoded Data: