Packet #10152095

Database ID:	10152095
Mesh Packet ID:	`0xffe3ec39` Used for correlation across gateways
Timestamp:	2025-09-11 17:07:30 UTC
From Node:	2EA2FES 868 📡 (2FES)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	Meshtastic b660 (b660)
Channel:	LongFast
RSSI:	-122 dBm
SNR:	-10.5 dBm
Hop Info:	1/3 hops Start: 3, Limit: 2

Long Name:	2EA2FES 868 📡
Short Name:	2FES
Node ID:	!849b7244
MAC Address:	sIGEm3JE
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:	!9e9fb660
Channel:	LongFast
Payload Type:	NODEINFO_APP
Hop Count:	1 / 3

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked

Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 3 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!9e9fb660` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (81 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`2224779844` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`4` NODEINFO_APP	enum
`decoded.payload_length`	`81` bytes	size
`hop_limit`	`2` Remaining hops allowed	uint32
`hop_start`	`3` Initial hop limit	uint32
`hops_taken`	`1` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-122.0` dBm Signal strength at gateway	int32
`rx_snr`	`-10.50` dB Signal quality at gateway	float
`rx_time`	`1757610448` 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`	`215` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1757610450.0525982` Unix timestamp	uint32

MQTT Privacy & Exposure Analysis

Analysis of privacy features and exposure risks when packet is shared via MQTT

Exposure Level: Broadcast

Privacy Features:

✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked

Exposure Risks:

⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (1 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!9e9fb660`
Signal Metrics:	RSSI: -122.0 dBm SNR: -10.50 dB

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": "!849b7244", "long_name": "2EA2FES 868 📡", "short_name": "2FES", "macaddr": "sIGEm3JE", "hw_model": "HELTEC_V3" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!9e9fb660", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2224779844, "to": 4294967295, "id": 4293127225, "rx_time": 1757610448, "rx_snr": -10.5, "rx_rssi": -122, "hop_limit": 2, "hop_start": 3, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 215, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a092138343962373234341210324541324645532038363820f09f93a11a04324645532206b081849b7244282b380142208692ad9877f588e784ce2366e0ff82c1742e340bd87d1d4a7710e86286c43b1c", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!849b7244", "long_name": "2EA2FES 868 📡", "short_name": "2FES", "macaddr": "sIGEm3JE", "hw_model": "HELTEC_V3", "role": "CLIENT_MUTE", "public_key": "hpKtmHf1iOeEziNm4P+CwXQuNAvYfR1KdxDoYobEOxw=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }

Raw Packet Data (81 bytes)

0a092138343962373234341210324541324645532038363820f09f93a11a04324645532206b081849b7244282b380142208692ad9877f588e784ce2366e0ff82c1742e340bd87d1d4a7710e86286c43b1c

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 #10152095 Success

Packet Information

Payload Data

Decoded Data: