Packet #19923446

Database ID:	19923446
Mesh Packet ID:	`0x42b1d607` Used for correlation across gateways
Timestamp:	2026-07-26 11:32:00 UTC
From Node:	NanoAnime (Ani)
To Node:	BlackTrout Station (BLTS)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	Cyb (17e8)
Channel:	MediumFast
RSSI:	-104 dBm
SNR:	-9.5 dBm
Hop Info:	4/4 hops Start: 4, Limit: 0

Long Name:	NanoAnime
Short Name:	Ani
Node ID:	!1d89eb9d
MAC Address:	2Dcdieud
Hardware:	NRF52_PROMICRO_DIY

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:	!698517e8
Channel:	MediumFast
Payload Type:	NODEINFO_APP
Hop Count:	4 / 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 (4 hops)
+ 1 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!698517e8` 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`	`495578013` Source node ID	uint32
`to`	`2794866356` Target node ID	uint32
`decoded.portnum`	`4` NODEINFO_APP	enum
`decoded.payload_length`	`75` bytes	size
`hop_limit`	Not set	uint32
`hop_start`	`4` Initial hop limit	uint32
`hops_taken`	`4` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-104.0` dBm Signal strength at gateway	int32
`rx_snr`	`-9.50` dB Signal quality at gateway	float
`rx_time`	`1785054719` 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`	`172` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1785054720.2887523` 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 (4 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!698517e8`
Signal Metrics:	RSSI: -104.0 dBm SNR: -9.50 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": "!1d89eb9d", "long_name": "NanoAnime", "short_name": "Ani", "macaddr": "2Dcdieud", "hw_model": "NRF52_PROMICRO_DIY" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!698517e8", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 495578013, "to": 2794866356, "id": 1118950919, "rx_time": 1785054719, "rx_snr": -9.5, "rx_rssi": -104, "hop_limit": 0, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 172, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a0921316438396562396412094e616e6f416e696d651a03416e692206d8371d89eb9d283f38014220fc06281fae1c013b47899022ec12ce1fa6f92ea6f628b65dd59c48f45a2fbe154800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!1d89eb9d", "long_name": "NanoAnime", "short_name": "Ani", "macaddr": "2Dcdieud", "hw_model": "NRF52_PROMICRO_DIY", "role": "CLIENT_MUTE", "public_key": "/AYoH64cATtHiZAi7BLOH6b5Lqb2KLZd1ZxI9FovvhU=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }

Raw Packet Data (75 bytes)

0a0921316438396562396412094e616e6f416e696d651a03416e692206d8371d89eb9d283f38014220fc06281fae1c013b47899022ec12ce1fa6f92ea6f628b65dd59c48f45a2fbe154800

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 #19923446 Success

Packet Information

Payload Data

Decoded Data: