Packet #2877782

Database ID:	2877782
Mesh Packet ID:	`0x7f49e47f` Used for correlation across gateways
Timestamp:	2026-06-21 15:05:22 UTC
From Node:	HobbyIoT HT#7F64 (7F64)
To Node:	gw stz (fadc)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	HobbyIoT HT#7F64 (7F64)
Channel:	Bulgaria
RSSI:	Unknown
SNR:	Unknown
Hop Info:	0/2 hops Start: 2, Limit: 2
Relay Node:	`64` 7F64 Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions

Long Name:	HobbyIoT HT#7F64
Short Name:	7F64
Node ID:	!ba6a7f64
MAC Address:	ECC6an9k
Hardware:	HELTEC_V3

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:	81 bytes
Gateway:	!ba6a7f64
Channel:	Bulgaria
Payload Type:	NODEINFO_APP
Hop Count:	0 / 2

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`	`!ba6a7f64` Node ID format
`channel_id`	`Bulgaria`
`packet`	`MeshPacket` (81 bytes) Contains the actual mesh network packet

MeshPacket Fields

Canonical MeshPacket view reconstructed from stored protobuf bytes.

Field	Value	Type
`from`	`3127541604` Source node ID	uint32
`to`	`2412903132` Target node ID	uint32
`decoded.portnum`	`NODEINFO_APP` NODEINFO_APP	enum
`decoded.payload_length`	`81` bytes	size
`hop_limit`	`2` Remaining hops allowed	uint32
`hop_start`	`2` 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`	`1782054321` Receive timestamp	fixed32
`via_mqtt`	False Direct LoRa transmission	bool
`want_ack`	False No ACK requested	bool
`priority`	`RELIABLE` Packet priority level	enum
`delayed`	Not set	enum
`channel`	`37` Channel index	uint32
`pki_encrypted`	False Standard encryption	bool
`next_hop`	Not set	uint32
`relay_node`	`100` 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: Bulgaria
✓ Gateway node ID tracked
✓ Zero-hop: direct from source to MQTT gateway

Exposure Risks:

⚠ Packet visible to MQTT subscribers

MQTT-Specific Fields

Gateway ID:	`!ba6a7f64`
Zero Hop Policy:	Enabled Direct gateway connection

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	NODEINFO_APP
Size:	81 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "id": "!ba6a7f64", "long_name": "HobbyIoT HT#7F64", "short_name": "7F64", "macaddr": "ECC6an9k", "hw_model": "HELTEC_V3" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "packet": { "from": 3127541604, "to": 2412903132, "channel": 37, "decoded": { "portnum": "NODEINFO_APP", "payload": "CgkhYmE2YTdmNjQSEEhvYmJ5SW9UIEhUIzdGNjQaBDdGNjQiBhAgump/ZCgrQiAMq+/3CHFFtGplIoIgM9aH0lo3wDMwqjRzYnq7TYFjJkgA", "request_id": 2928212044, "bitfield": 1 }, "id": 2135549055, "rx_time": 1782054321, "hop_limit": 2, "priority": "RELIABLE", "hop_start": 2, "relay_node": 100 }, "channel_id": "Bulgaria", "gateway_id": "!ba6a7f64" }, "mesh_packet": { "from": 3127541604, "to": 2412903132, "channel": 37, "decoded": { "portnum": "NODEINFO_APP", "payload": "CgkhYmE2YTdmNjQSEEhvYmJ5SW9UIEhUIzdGNjQaBDdGNjQiBhAgump/ZCgrQiAMq+/3CHFFtGplIoIgM9aH0lo3wDMwqjRzYnq7TYFjJkgA", "request_id": 2928212044, "bitfield": 1, "parsed_payload": { "id": "!ba6a7f64", "long_name": "HobbyIoT HT#7F64", "short_name": "7F64", "macaddr": "ECC6an9k", "hw_model": "HELTEC_V3", "public_key": "DKvv9whxRbRqZSKCIDPWh9JaN8AzMKo0c2J6u02BYyY=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } }, "id": 2135549055, "rx_time": 1782054321, "hop_limit": 2, "priority": "RELIABLE", "hop_start": 2, "relay_node": 100 } }

Raw Packet Data (81 bytes)

0a092162613661376636341210486f626279496f5420485423374636341a043746363422061020ba6a7f64282b42200cabeff7087145b46a6522822033d687d25a37c03330aa3473627abb4d8163264800

Hex Analysis:

Size:	81 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 #2877782 Success

Packet Information

Payload Data

Decoded Data: