Packet #8677943

Database ID:	8677943
Mesh Packet ID:	`0x3dc8fb7e` Used for correlation across gateways
Timestamp:	2025-08-31 18:58:22 UTC
From Node:	radio makers 00_CL 868DUR (RAL0)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	radio makers 00_CL 868DUR 📡 🛠️ (RAL0)
Channel:	LongFast
RSSI:	-65 dBm
SNR:	7.75 dBm
Hop Info:	0/3 hops Start: 3, Limit: 3

Long Name:	radio makers 02_CL 868HBK 📡 🛠️
Short Name:	ROR2
Node ID:	!db2fa3b0
MAC Address:	EFHbL6Ow
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:	103 bytes
Gateway:	!9ee77e2c
Channel:	LongFast
Payload Type:	NODEINFO_APP
Hop Count:	Unknown / 3

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
+ 1 more...

Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 2 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!9ee77e2c` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (103 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`3677332400` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`4` NODEINFO_APP	enum
`decoded.payload_length`	`103` bytes	size
`hop_limit`	`3` Remaining hops allowed	uint32
`hop_start`	`3` Initial hop limit	uint32
`hops_taken`	`0` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-65.0` dBm Signal strength at gateway	int32
`rx_snr`	`7.75` dB Signal quality at gateway	float
`rx_time`	`1756666701` 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`	`176` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1756666702.2563143` 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
✓ Zero-hop: direct from source to MQTT gateway

Exposure Risks:

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

MQTT-Specific Fields

Gateway ID:	`!9ee77e2c`
Zero Hop Policy:	Enabled Direct gateway connection
Signal Metrics:	RSSI: -65.0 dBm SNR: 7.75 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	NODEINFO_APP
Size:	103 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "id": "!db2fa3b0", "long_name": "radio makers 02_CL 868HBK 📡 🛠️", "short_name": "ROR2", "macaddr": "EFHbL6Ow", "hw_model": "HELTEC_V3" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!9ee77e2c", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3677332400, "to": 4294967295, "id": 1036581758, "rx_time": 1756666701, "rx_snr": 7.75, "rx_rssi": -65, "hop_limit": 3, "hop_start": 3, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 176, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a092164623266613362301226726164696f206d616b6572732030325f434c2038363848424b20f09f93a120f09f9ba0efb88f1a04524f523222061051db2fa3b0282b422042924af139900a77ef9c29a63fb1655ff4cb6d8c7274cd3e0bdaba8d567e49044800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!db2fa3b0", "long_name": "radio makers 02_CL 868HBK 📡 🛠️", "short_name": "ROR2", "macaddr": "EFHbL6Ow", "hw_model": "HELTEC_V3", "public_key": "QpJK8TmQCnfvnCmmP7FlX/TLbYxydM0+C9q6jVZ+SQQ=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }

Raw Packet Data (103 bytes)

0a092164623266613362301226726164696f206d616b6572732030325f434c2038363848424b20f09f93a120f09f9ba0efb88f1a04524f523222061051db2fa3b0282b422042924af139900a77ef9c29a63fb1655ff4cb6d8c7274cd3e0bdaba8d567e49044800

Hex Analysis:

Size:	103 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 #8677943 Success

Packet Information

Payload Data

Decoded Data: