Packet #2848106

Database ID:	2848106
Mesh Packet ID:	`0xe41de72b` Used for correlation across gateways
Timestamp:	2026-04-17 05:26:59 UTC
From Node:	Boba mobile 🇷🇸 (BBMB)
To Node:	Meshtastic 92a0 (92a0)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	Knez Mihailova 🏛️ (PxKM)
Channel:	Srbija
RSSI:	-109 dBm
SNR:	-1.75 dBm
Hop Info:	3/3 hops Start: 3, Limit: 0

Long Name:	Boba mobile 🇷🇸
Short Name:	BBMB
Node ID:	!f9ae3de4
MAC Address:	8CT5rj3k
Hardware:	TLORA_V2_1_1P6

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:	83 bytes
Gateway:	!849a6a4c
Channel:	Srbija
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`	`!849a6a4c` Node ID format
`channel_id`	`Srbija`
`packet`	`MeshPacket` (83 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`4188945892` Source node ID	uint32
`to`	`1127977632` Target node ID	uint32
`decoded.portnum`	`4` NODEINFO_APP	enum
`decoded.payload_length`	`83` 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`	`-109.0` dBm Signal strength at gateway	int32
`rx_snr`	`-1.75` dB Signal quality at gateway	float
`rx_time`	`1776403618` 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`	`60` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1776403619.5794537` 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: Srbija
✓ 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:	`!849a6a4c`
Signal Metrics:	RSSI: -109.0 dBm SNR: -1.75 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	NODEINFO_APP
Size:	83 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "id": "!f9ae3de4", "long_name": "Boba mobile 🇷🇸", "short_name": "BBMB", "macaddr": "8CT5rj3k", "hw_model": "TLORA_V2_1_1P6" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!849a6a4c", "channel_id": "Srbija", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 4188945892, "to": 1127977632, "id": 3827164971, "rx_time": 1776403618, "rx_snr": -1.75, "rx_rssi": -109, "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": 60, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a092166396165336465341214426f6261206d6f62696c6520f09f87b7f09f87b81a0442424d422206f024f9ae3de428034220f246953e9645fd0485b31a8cea24b195bd7ddda7dfec649290fb38bf65ccb026", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!f9ae3de4", "long_name": "Boba mobile 🇷🇸", "short_name": "BBMB", "macaddr": "8CT5rj3k", "hw_model": "TLORA_V2_1_1P6", "public_key": "8kaVPpZF/QSFsxqM6iSxlb193aff7GSSkPs4v2XMsCY=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }

Raw Packet Data (83 bytes)

0a092166396165336465341214426f6261206d6f62696c6520f09f87b7f09f87b81a0442424d422206f024f9ae3de428034220f246953e9645fd0485b31a8cea24b195bd7ddda7dfec649290fb38bf65ccb026

Hex Analysis:

Size:	83 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 #2848106 Success

Packet Information

Payload Data

Decoded Data: