Packet #18274675

Database ID:	18274675
Mesh Packet ID:	`0x674cc1c6` Used for correlation across gateways
Timestamp:	2026-06-07 22:52:43 UTC
From Node:	Encom Mobile Node (enc3)
To Node:	MaxOnParking🍏 (Max)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	Tsaritsyno_KB_V_868 (KBV8)
Channel:	MediumFast
RSSI:	-104 dBm
SNR:	-6.75 dBm
Hop Info:	4/4 hops Start: 4, Limit: 0

Long Name:	Encom Mobile Node
Short Name:	enc3
Node ID:	!acab3a94
MAC Address:	2IWsqzqU
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:	82 bytes
Gateway:	!9eeb22ac
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`	`!9eeb22ac` Node ID format
`channel_id`	`MediumFast`
`packet`	`MeshPacket` (82 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`2896902804` Source node ID	uint32
`to`	`67279540` Target node ID	uint32
`decoded.portnum`	`4` NODEINFO_APP	enum
`decoded.payload_length`	`82` 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`	`-6.75` dB Signal quality at gateway	float
`rx_time`	`1780861962` 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`	`75` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1780861963.4166627` 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:	`!9eeb22ac`
Signal Metrics:	RSSI: -104.0 dBm SNR: -6.75 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	NODEINFO_APP
Size:	82 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "id": "!acab3a94", "long_name": "Encom Mobile Node", "short_name": "enc3", "macaddr": "2IWsqzqU", "hw_model": "HELTEC_V3" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!9eeb22ac", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2896902804, "to": 67279540, "id": 1733083590, "rx_time": 1780861962, "rx_snr": -6.75, "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": 75, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a092161636162336139341211456e636f6d204d6f62696c65204e6f64651a04656e63332206d885acab3a94282b4220f48720c6cb608cfd953a8773ed7df6b8d05d2fddb7271e39a2f5fb782d8857644800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!acab3a94", "long_name": "Encom Mobile Node", "short_name": "enc3", "macaddr": "2IWsqzqU", "hw_model": "HELTEC_V3", "public_key": "9IcgxstgjP2VOodz7X32uNBdL923Jx45ovX7eC2IV2Q=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }

Raw Packet Data (82 bytes)

0a092161636162336139341211456e636f6d204d6f62696c65204e6f64651a04656e63332206d885acab3a94282b4220f48720c6cb608cfd953a8773ed7df6b8d05d2fddb7271e39a2f5fb782d8857644800

Hex Analysis:

Size:	82 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 #18274675 Success

Packet Information

Payload Data

Decoded Data: