Packet #1999626

Database ID:	1999626
Mesh Packet ID:	`0xeb197188` Used for correlation across gateways
Timestamp:	2026-08-18 21:50:02 UTC
From Node:	TO_Cala_Yebenes☀️🗼 (6afa)
To Node:	!f661e4a0 (e4a0)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	EA7OC-R (OC-R)
Channel:	SFNarrow
RSSI:	-90 dBm
SNR:	-8.5 dBm
Hop Info:	3/3 hops Start: 3, Limit: 0
Relay Node:	`b5` Last byte of the last hop that relayed this packet

Long Name:	TO_Cala_Yebenes☀️🗼
Short Name:	6afa
Node ID:	!7bc66afa
MAC Address:	7257xmr6
Hardware:	NRF52_PROMICRO_DIY

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:	92 bytes
Gateway:	!aaf5e71d
Channel:	SFNarrow
Payload Type:	NODEINFO_APP
Hop Count:	3 / 3

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 (3 hops)
+ 1 more...

MQTT ServiceEnvelope Fields

Field	Value
`gateway_id`	`!aaf5e71d` Node ID format
`channel_id`	`SFNarrow`
`packet`	`MeshPacket` (92 bytes) Contains the actual mesh network packet

MeshPacket Fields

Canonical MeshPacket view reconstructed from stored protobuf bytes.

Field	Value	Type
`from`	`2076601082` Source node ID	uint32
`to`	`4133610656` Target node ID	uint32
`decoded.portnum`	`NODEINFO_APP` NODEINFO_APP	enum
`decoded.payload_length`	`92` bytes	size
`hop_limit`	Not set	uint32
`hop_start`	`3` Initial hop limit	uint32
`hops_taken`	`3` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-90.0` dBm Signal strength at gateway	int32
`rx_snr`	`-8.50` dB Signal quality at gateway	float
`rx_time`	`1787089801` 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`	`32` Channel index	uint32
`pki_encrypted`	False Standard encryption	bool
`next_hop`	Not set	uint32
`relay_node`	`181` 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: SFNarrow
✓ Gateway node ID tracked

Exposure Risks:

⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (3 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!aaf5e71d`
Signal Metrics:	RSSI: -90.0 dBm SNR: -8.50 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	NODEINFO_APP
Size:	92 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "id": "!7bc66afa", "long_name": "TO_Cala_Yebenes☀️🗼", "short_name": "6afa", "macaddr": "7257xmr6", "hw_model": "NRF52_PROMICRO_DIY" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "packet": { "from": 2076601082, "to": 4133610656, "channel": 32, "decoded": { "portnum": "NODEINFO_APP", "payload": "CgkhN2JjNjZhZmESGVRPX0NhbGFfWWViZW5lc+KYgO+4j/Cfl7waBDZhZmEiBu9ue8Zq+ig/OAxCIJfM/+spegi5iFK8tVtsrepzRklkwRyHA3aJPVrq2vohSAA=", "request_id": 2888182233, "bitfield": 1 }, "id": 3944313224, "rx_time": 1787089801, "rx_snr": -8.5, "rx_rssi": -90, "hop_start": 3, "relay_node": 181, "transport_mechanism": "TRANSPORT_LORA" }, "channel_id": "SFNarrow", "gateway_id": "!aaf5e71d" }, "mesh_packet": { "from": 2076601082, "to": 4133610656, "channel": 32, "decoded": { "portnum": "NODEINFO_APP", "payload": "CgkhN2JjNjZhZmESGVRPX0NhbGFfWWViZW5lc+KYgO+4j/Cfl7waBDZhZmEiBu9ue8Zq+ig/OAxCIJfM/+spegi5iFK8tVtsrepzRklkwRyHA3aJPVrq2vohSAA=", "request_id": 2888182233, "bitfield": 1, "parsed_payload": { "id": "!7bc66afa", "long_name": "TO_Cala_Yebenes☀️🗼", "short_name": "6afa", "macaddr": "7257xmr6", "hw_model": "NRF52_PROMICRO_DIY", "role": "CLIENT_BASE", "public_key": "l8z/6yl6CLmIUry1W2yt6nNGSWTBHIcDdok9Wura+iE=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } }, "id": 3944313224, "rx_time": 1787089801, "rx_snr": -8.5, "rx_rssi": -90, "hop_start": 3, "relay_node": 181, "transport_mechanism": "TRANSPORT_LORA" } }

Raw Packet Data (92 bytes)

0a092137626336366166611219544f5f43616c615f596562656e6573e29880efb88ff09f97bc1a04366166612206ef6e7bc66afa283f380c422097ccffeb297a08b98852bcb55b6cadea73464964c11c870376893d5aeadafa214800

Hex Analysis:

Size:	92 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 #1999626 Success

Packet Information

Payload Data

Decoded Data: