Packet #1409371

Database ID:	1409371
Mesh Packet ID:	`0x612f89c5` Used for correlation across gateways
Timestamp:	2026-10-27 05:59:57 UTC
From Node:	SG-G3 (SGG3)
To Node:	!00000001 (0001)
Success:	Processed
Protocol:	NEIGHBORINFO_APP Port: 71

Gateway:	SG-G3 (SGG3)
Channel:	LongTurbo
RSSI:	Unknown
SNR:	Unknown
Hop Info:	0/5 hops Start: 5, Limit: 5
Relay Node:	`b8` SGG3 Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions

Reporting Node:	SG-G3 (SGG3)
Last Sent By:	SG-G3 (SGG3)
Broadcast Interval:	21600 seconds
Neighbors Found:	3

Neighbor Node	SNR	Last Heard	Broadcast Interval	Signal Quality
SG-MALP-03 (SGM3)	6.2 dB	Unknown	Unknown	Excellent
J EDC (JEDC)	7.2 dB	Unknown	Unknown	Excellent
Meowtastic a444 🐱 (a444)	-19.2 dB	Unknown	Unknown	Poor

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:	55 bytes
Gateway:	!16cd7eb8
Channel:	LongTurbo
Payload Type:	NEIGHBORINFO_APP
Hop Count:	0 / 5

Privacy Summary

Exposure Level:
Direct Message

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 3 more...

Exposure Risks:
⚠ Packet visible to MQTT subscribers

MQTT ServiceEnvelope Fields

Field	Value
`gateway_id`	`!16cd7eb8` Node ID format
`channel_id`	`LongTurbo`
`packet`	`MeshPacket` (55 bytes) Contains the actual mesh network packet

MeshPacket Fields

Canonical MeshPacket view reconstructed from stored protobuf bytes.

Field	Value	Type
`from`	`382566072` Source node ID	uint32
`to`	`1` Target node ID	uint32
`decoded.portnum`	`NEIGHBORINFO_APP` NEIGHBORINFO_APP	enum
`decoded.payload_length`	`55` bytes	size
`hop_limit`	`5` Remaining hops allowed	uint32
`hop_start`	`5` Initial hop limit	uint32
`hops_taken`	`0` Calculated: hop_start - hop_limit	derived
`rx_rssi`	Not set	int32
`rx_snr`	Not set	float
`rx_time`	`1793080795` Receive timestamp	fixed32
`via_mqtt`	False Direct LoRa transmission	bool
`want_ack`	False No ACK requested	bool
`priority`	`BACKGROUND` Packet priority level	enum
`delayed`	Not set	enum
`channel`	`118` Channel index	uint32
`pki_encrypted`	False Standard encryption	bool
`next_hop`	Not set	uint32
`relay_node`	`184` 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: LongTurbo
✓ Gateway node ID tracked
✓ Zero-hop: direct from source to MQTT gateway

Exposure Risks:

⚠ Packet visible to MQTT subscribers

MQTT-Specific Fields

Gateway ID:	`!16cd7eb8`
Zero Hop Policy:	Enabled Direct gateway connection

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	NEIGHBORINFO_APP
Size:	55 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "node_id": 382566072, "last_sent_by_id": 382566072, "node_broadcast_interval_secs": 21600, "neighbors": [ { "node_id": 4175319049, "snr": 6.25, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "SG-MALP-03 (SGM3)" }, { "node_id": 3011491296, "snr": 7.25, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "J EDC (JEDC)" }, { "node_id": 2507291122, "snr": -19.25, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "Meowtastic a444 🐱 (a444)" } ], "neighbor_count": 3, "node_name": "SG-G3 (SGG3)", "last_sent_by_name": "SG-G3 (SGG3)" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "packet": { "from": 382566072, "to": 1, "channel": 118, "decoded": { "portnum": "NEIGHBORINFO_APP", "payload": "CLj9tbYBELj9tbYBGOCoASILCImg+cYPFQAAyEAiCwjg6/6bCxUAAOhAIgsI8vPIqwkVAACawQ==", "bitfield": 1 }, "id": 1630505413, "rx_time": 1793080795, "hop_limit": 5, "priority": "BACKGROUND", "hop_start": 5, "relay_node": 184 }, "channel_id": "LongTurbo", "gateway_id": "!16cd7eb8" }, "mesh_packet": { "from": 382566072, "to": 1, "channel": 118, "decoded": { "portnum": "NEIGHBORINFO_APP", "payload": "CLj9tbYBELj9tbYBGOCoASILCImg+cYPFQAAyEAiCwjg6/6bCxUAAOhAIgsI8vPIqwkVAACawQ==", "bitfield": 1, "parsed_payload": { "node_id": 382566072, "last_sent_by_id": 382566072, "node_broadcast_interval_secs": 21600, "neighbors": [ { "node_id": 4175319049, "snr": 6.25 }, { "node_id": 3011491296, "snr": 7.25 }, { "node_id": 2507291122, "snr": -19.25 } ], "type": "protobuf", "portnum": "NEIGHBORINFO_APP", "message_class": "NeighborInfo" } }, "id": 1630505413, "rx_time": 1793080795, "hop_limit": 5, "priority": "BACKGROUND", "hop_start": 5, "relay_node": 184 } }

Raw Packet Data (55 bytes)

08b8fdb5b60110b8fdb5b60118e0a801220b0889a0f9c60f150000c840220b08e0ebfe9b0b150000e840220b08f2f3c8ab091500009ac1

Hex Analysis:

Size:	55 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 #1409371 Success

Packet Information

Payload Data

Decoded Data:

Neighbor Information Report

3

Neighbor Details