Packet #39400014 Success

NODEINFO_APP packet from Va2cka Home (🏡) to !b03d4f30

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	39400014
Mesh Packet ID:	`0xb2ebdf5f` Used for correlation across gateways
Timestamp:	2026-05-16 02:19:04 UTC
From Node:	Va2cka Home (🏡)
To Node:	!b03d4f30 (4f30)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	Meshtastic b018 (b018)
Channel:	MediumFast
RSSI:	-128 dBm
SNR:	-18.5 dBm
Hop Info:	2/7 hops Start: 7, Limit: 5
Relay Node:	`f3` Last byte of the last hop that relayed this packet

Payload Data

Protocol: NODEINFO_APP

Size: 78 bytes

Decoded: Yes

Decoded Data:

Long Name:	Va2cka Home
Short Name:	🏡
Node ID:	!43b6a94c
MAC Address:	SMpDtqlM
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:	78 bytes
Gateway:	!db51b018
Channel:	MediumFast
Payload Type:	NODEINFO_APP
Hop Count:	2 / 7

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 (2 hops)
+ 1 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!db51b018` Node ID format
`channel_id`	`MediumFast`
`packet`	`MeshPacket` (78 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`1136044364` Source node ID	uint32
`to`	`2956807984` Target node ID	uint32
`decoded.portnum`	`4` NODEINFO_APP	enum
`decoded.payload_length`	`78` bytes	size
`hop_limit`	`5` Remaining hops allowed	uint32
`hop_start`	`7` Initial hop limit	uint32
`hops_taken`	`2` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-128.0` dBm Signal strength at gateway	int32
`rx_snr`	`-18.50` dB Signal quality at gateway	float
`rx_time`	`1778897943` 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`	`243` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1778897944.3796134` 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 (2 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!db51b018`
Signal Metrics:	RSSI: -128.0 dBm SNR: -18.50 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	NODEINFO_APP
Size:	78 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "id": "!43b6a94c", "long_name": "Va2cka Home", "short_name": "🏡", "macaddr": "SMpDtqlM", "hw_model": "HELTEC_V3" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!db51b018", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1136044364, "to": 2956807984, "id": 3001802591, "rx_time": 1778897943, "rx_snr": -18.5, "rx_rssi": -128, "hop_limit": 5, "hop_start": 7, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 243, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213433623661393463120b566132636b6120486f6d651a04f09f8fa1220648ca43b6a94c282b38014220cbe94cb09409f8c917986cc009f9414866c3e6dea3c10d7a67ff0b2ff11835324800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!43b6a94c", "long_name": "Va2cka Home", "short_name": "🏡", "macaddr": "SMpDtqlM", "hw_model": "HELTEC_V3", "role": "CLIENT_MUTE", "public_key": "y+lMsJQJ+MkXmGzACflBSGbD5t6jwQ16Z/8LL/EYNTI=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }

Raw Packet Data (78 bytes)

0a09213433623661393463120b566132636b6120486f6d651a04f09f8fa1220648ca43b6a94c282b38014220cbe94cb09409f8c917986cc009f9414866c3e6dea3c10d7a67ff0b2ff11835324800

Hex Analysis:

Size:	78 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.

All Receptions

All gateways that received this packet
Correlation: Using Mesh Packet ID

Reception Locations

Loading reception map...

Map shows gateway locations that received this packet. Hop counts are displayed if available.

Gateway	Time Offset	RSSI	SNR	Hops	Relay	Channel	Timestamp	Actions
Meshtastic b018 (b018) Primary	0.000s Reference	-128.0 dBm	-18.50 dB	2	`f3`	MediumFast	2026-05-16 02:19:04 UTC	Current
Meshtastic b018 (b018)	-0.378s Before	-128.0 dBm	-18.50 dB	2	`f3`	LongFast	2026-05-16 02:19:04 UTC	View
Meshtastic b018 (b018)	-0.332s Before	-128.0 dBm	-18.50 dB	2	`f3`	LongFast	2026-05-16 02:19:04 UTC	View
Meshtastic b018 (b018)	-0.296s Before	-128.0 dBm	-18.50 dB	2	`f3`	LongFast	2026-05-16 02:19:04 UTC	View
Meshtastic b018 (b018)	-0.258s Before	-128.0 dBm	-18.50 dB	2	`f3`	LongFast	2026-05-16 02:19:04 UTC	View
Meshtastic b018 (b018)	-0.221s Before	-128.0 dBm	-18.50 dB	2	`f3`	LongFast	2026-05-16 02:19:04 UTC	View
Meshtastic b018 (b018)	-0.192s Before	-128.0 dBm	-18.50 dB	2	`f3`	LongFast	2026-05-16 02:19:04 UTC	View
Meshtastic b018 (b018)	-0.163s Before	-128.0 dBm	-18.50 dB	2	`f3`	LongFast	2026-05-16 02:19:04 UTC	View
Meshtastic b018 (b018)	-0.136s Before	-128.0 dBm	-18.50 dB	2	`f3`	LongFast	2026-05-16 02:19:04 UTC	View
Meshtastic b018 (b018)	-0.116s Before	-128.0 dBm	-18.50 dB	2	`f3`	LongFast	2026-05-16 02:19:04 UTC	View
Meshtastic b018 (b018)	-0.094s Before	-128.0 dBm	-18.50 dB	2	`f3`	LongFast	2026-05-16 02:19:04 UTC	View
Meshtastic b018 (b018)	-0.072s Before	-128.0 dBm	-18.50 dB	2	`f3`	LongFast	2026-05-16 02:19:04 UTC	View
Meshtastic b018 (b018)	-0.047s Before	-128.0 dBm	-18.50 dB	2	`f3`	MediumFast	2026-05-16 02:19:04 UTC	View
Meshtastic b018 (b018)	-0.023s Before	-128.0 dBm	-18.50 dB	2	`f3`	MediumFast	2026-05-16 02:19:04 UTC	View
Meshtastic b018 (b018)	+0.022s After	-128.0 dBm	-18.50 dB	2	`f3`	MediumFast	2026-05-16 02:19:04 UTC	View
Meshtastic b018 (b018)	+0.043s After	-128.0 dBm	-18.50 dB	2	`f3`	MediumFast	2026-05-16 02:19:04 UTC	View
Meshtastic b018 (b018)	+0.066s After	-128.0 dBm	-18.50 dB	2	`f3`	MediumFast	2026-05-16 02:19:04 UTC	View
Meshtastic b018 (b018)	+0.087s After	-128.0 dBm	-18.50 dB	2	`f3`	MediumFast	2026-05-16 02:19:04 UTC	View
Meshtastic b018 (b018)	+0.110s After	-128.0 dBm	-18.50 dB	2	`f3`	MediumFast	2026-05-16 02:19:04 UTC	View
Meshtastic b018 (b018)	+0.134s After	-128.0 dBm	-18.50 dB	2	`f3`	MediumFast	2026-05-16 02:19:04 UTC	View
Meshtastic b018 (b018)	+0.158s After	-128.0 dBm	-18.50 dB	2	`f3`	MediumFast	2026-05-16 02:19:04 UTC	View
Meshtastic b018 (b018)	+0.181s After	-128.0 dBm	-18.50 dB	2	`f3`	MediumFast	2026-05-16 02:19:04 UTC	View
Meshtastic b018 (b018)	+0.205s After	-128.0 dBm	-18.50 dB	2	`f3`	ShortFast	2026-05-16 02:19:04 UTC	View
Meshtastic b018 (b018)	+0.229s After	-128.0 dBm	-18.50 dB	2	`f3`	ShortFast	2026-05-16 02:19:04 UTC	View
Meshtastic b018 (b018)	+0.252s After	-128.0 dBm	-18.50 dB	2	`f3`	ShortFast	2026-05-16 02:19:04 UTC	View
Meshtastic b018 (b018)	+0.283s After	-128.0 dBm	-18.50 dB	2	`f3`	ShortFast	2026-05-16 02:19:04 UTC	View
Meshtastic b018 (b018)	+0.312s After	-128.0 dBm	-18.50 dB	2	`f3`	ShortFast	2026-05-16 02:19:04 UTC	View
Meshtastic b018 (b018)	+0.345s After	-128.0 dBm	-18.50 dB	2	`f3`	ShortFast	2026-05-16 02:19:04 UTC	View
Meshtastic b018 (b018)	+0.382s After	-128.0 dBm	-18.50 dB	2	`f3`	ShortFast	2026-05-16 02:19:04 UTC	View
Meshtastic b018 (b018)	+0.411s After	-128.0 dBm	-18.50 dB	2	`f3`	ShortFast	2026-05-16 02:19:04 UTC	View
Meshtastic b018 (b018)	+0.432s After	-128.0 dBm	-18.50 dB	2	`f3`	ShortFast	2026-05-16 02:19:04 UTC	View
Meshtastic b018 (b018)	+0.460s After	-128.0 dBm	-18.50 dB	2	`f3`	ShortFast	2026-05-16 02:19:04 UTC	View
Meshtastic b018 (b018)	+0.493s After	-128.0 dBm	-18.50 dB	2	`f3`	ShortFast	2026-05-16 02:19:04 UTC	View
Meshtastic b018 (b018)	+0.515s After	-128.0 dBm	-18.50 dB	2	`f3`	ShortTurbo	2026-05-16 02:19:04 UTC	View
Meshtastic b018 (b018)	+0.538s After	-128.0 dBm	-18.50 dB	2	`f3`	ShortTurbo	2026-05-16 02:19:04 UTC	View
Meshtastic b018 (b018)	+0.562s After	-128.0 dBm	-18.50 dB	2	`f3`	ShortTurbo	2026-05-16 02:19:04 UTC	View
Meshtastic b018 (b018)	+0.589s After	-128.0 dBm	-18.50 dB	2	`f3`	ShortTurbo	2026-05-16 02:19:04 UTC	View
Meshtastic b018 (b018)	+0.621s After	-128.0 dBm	-18.50 dB	2	`f3`	ShortTurbo	2026-05-16 02:19:05 UTC	View
Meshtastic b018 (b018)	+0.649s After	-128.0 dBm	-18.50 dB	2	`f3`	ShortTurbo	2026-05-16 02:19:05 UTC	View
Meshtastic b018 (b018)	+0.678s After	-128.0 dBm	-18.50 dB	2	`f3`	ShortTurbo	2026-05-16 02:19:05 UTC	View
Meshtastic b018 (b018)	+0.733s After	-128.0 dBm	-18.50 dB	2	`f3`	ShortTurbo	2026-05-16 02:19:05 UTC	View
Meshtastic b018 (b018)	+0.766s After	-128.0 dBm	-18.50 dB	2	`f3`	ShortTurbo	2026-05-16 02:19:05 UTC	View
Meshtastic b018 (b018)	+0.801s After	-128.0 dBm	-18.50 dB	2	`f3`	ShortTurbo	2026-05-16 02:19:05 UTC	View
Meshtastic b018 (b018)	+0.824s After	-128.0 dBm	-18.50 dB	2	`f3`	ShortTurbo	2026-05-16 02:19:05 UTC	View
Meshtastic b018 (b018)	+0.861s After	-128.0 dBm	-18.50 dB	2	`f3`	LongFast	2026-05-16 02:19:05 UTC	View

45

Total Receptions

1

Unique Gateways