Packet #1469674

Database ID:	1469674
Mesh Packet ID:	`0x9f662c99` Used for correlation across gateways
Timestamp:	2026-07-09 13:39:07 UTC
From Node:	BA Merida RAK (RAK)
To Node:	EB4APF CACERES JUNQUILLO (Junq)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	EB4APF portable (4APF)
Channel:	SFNarrow
RSSI:	-119 dBm
SNR:	-7.5 dBm
Hop Info:	4/4 hops Start: 4, Limit: 0
Relay Node:	`8f` 588f Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions

Long Name:	BA Merida RAK
Short Name:	RAK
Node ID:	!31a32d07
MAC Address:	4aYxoy0H
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:	79 bytes
Gateway:	!433eea80
Channel:	SFNarrow
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

Field	Value
`gateway_id`	`!433eea80` Node ID format
`channel_id`	`SFNarrow`
`packet`	`MeshPacket` (79 bytes) Contains the actual mesh network packet

MeshPacket Fields

Canonical MeshPacket view reconstructed from stored protobuf bytes.

Field	Value	Type
`from`	`832777479` Source node ID	uint32
`to`	`2740733984` Target node ID	uint32
`decoded.portnum`	`NODEINFO_APP` NODEINFO_APP	enum
`decoded.payload_length`	`79` 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`	`-119.0` dBm Signal strength at gateway	int32
`rx_snr`	`-7.50` dB Signal quality at gateway	float
`rx_time`	`1783604345` 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`	`32` Channel index	uint32
`pki_encrypted`	False Standard encryption	bool
`next_hop`	Not set	uint32
`relay_node`	`143` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	Not set	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: SFNarrow
✓ 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:	`!433eea80`
Signal Metrics:	RSSI: -119.0 dBm SNR: -7.50 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	NODEINFO_APP
Size:	79 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "id": "!31a32d07", "long_name": "BA Merida RAK", "short_name": "RAK", "macaddr": "4aYxoy0H", "hw_model": "RAK4631" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "packet": { "from": 832777479, "to": 2740733984, "channel": 32, "decoded": { "portnum": "NODEINFO_APP", "payload": "CgkhMzFhMzJkMDcSDUJBIE1lcmlkYSBSQUsaA1JBSyIG4aYxoy0HKAk4DEIgK7CjjR+1exl1isKYsb8qWMEX2v4nt14nDBILczvmpglIAA==", "request_id": 1054969882, "bitfield": 1 }, "id": 2674273433, "rx_time": 1783604345, "rx_snr": -7.5, "rx_rssi": -119, "hop_start": 4, "relay_node": 143, "transport_mechanism": "TRANSPORT_LORA" }, "channel_id": "SFNarrow", "gateway_id": "!433eea80" }, "mesh_packet": { "from": 832777479, "to": 2740733984, "channel": 32, "decoded": { "portnum": "NODEINFO_APP", "payload": "CgkhMzFhMzJkMDcSDUJBIE1lcmlkYSBSQUsaA1JBSyIG4aYxoy0HKAk4DEIgK7CjjR+1exl1isKYsb8qWMEX2v4nt14nDBILczvmpglIAA==", "request_id": 1054969882, "bitfield": 1, "parsed_payload": { "id": "!31a32d07", "long_name": "BA Merida RAK", "short_name": "RAK", "macaddr": "4aYxoy0H", "hw_model": "RAK4631", "role": "CLIENT_BASE", "public_key": "K7CjjR+1exl1isKYsb8qWMEX2v4nt14nDBILczvmpgk=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } }, "id": 2674273433, "rx_time": 1783604345, "rx_snr": -7.5, "rx_rssi": -119, "hop_start": 4, "relay_node": 143, "transport_mechanism": "TRANSPORT_LORA" } }

Raw Packet Data (79 bytes)

0a09213331613332643037120d4241204d65726964612052414b1a0352414b2206e1a631a32d072809380c42202bb0a38d1fb57b19758ac298b1bf2a58c117dafe27b75e270c120b733be6a6094800

Hex Analysis:

Size:	79 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 #1469674 Success

Packet Information

Payload Data

Decoded Data: