Packet #40283669 Success

NODEINFO_APP packet from Zap North 3b1c (ZapN) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	40283669
Mesh Packet ID:	`0xd845f0fb` Used for correlation across gateways
Timestamp:	2026-05-18 06:15:26 UTC
From Node:	Zap North 3b1c (ZapN)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	MoeTD (Moe)
Channel:	MediumFast
RSSI:	-124 dBm
SNR:	-15.75 dBm
Hop Info:	2/3 hops Start: 3, Limit: 1
Relay Node:	`ef` crxb Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions

Payload Data

Protocol: NODEINFO_APP

Size: 79 bytes

Decoded: Yes

Decoded Data:

Long Name:	Zap North 3b1c
Short Name:	ZapN
Node ID:	!90963b1c
MAC Address:	6AaQljsc
Hardware:	TLORA_T3_S3

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:	79 bytes
Gateway:	!4ed3691c
Channel:	MediumFast
Payload Type:	NODEINFO_APP
Hop Count:	2 / 3

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 1 more...

Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 2 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!4ed3691c` Node ID format
`channel_id`	`MediumFast`
`packet`	`MeshPacket` (79 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`2425764636` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`4` NODEINFO_APP	enum
`decoded.payload_length`	`79` bytes	size
`hop_limit`	`1` Remaining hops allowed	uint32
`hop_start`	`3` Initial hop limit	uint32
`hops_taken`	`2` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-124.0` dBm Signal strength at gateway	int32
`rx_snr`	`-15.75` dB Signal quality at gateway	float
`rx_time`	`1779084925` 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`	`239` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1779084926.9614375` 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)
✓ Custom channel: MediumFast
✓ Gateway node ID tracked

Exposure Risks:

⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (2 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!4ed3691c`
Signal Metrics:	RSSI: -124.0 dBm SNR: -15.75 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	NODEINFO_APP
Size:	79 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "id": "!90963b1c", "long_name": "Zap North 3b1c", "short_name": "ZapN", "macaddr": "6AaQljsc", "hw_model": "TLORA_T3_S3" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!4ed3691c", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2425764636, "to": 4294967295, "id": 3628462331, "rx_time": 1779084925, "rx_snr": -15.75, "rx_rssi": -124, "hop_limit": 1, "hop_start": 3, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 239, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213930393633623163120e5a6170204e6f72746820336231631a045a61704e2206e80690963b1c28104220aba7c8075b214ef7d788a21e4b83540d773e4585d61dbfee6eea33b30eecb1664800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!90963b1c", "long_name": "Zap North 3b1c", "short_name": "ZapN", "macaddr": "6AaQljsc", "hw_model": "TLORA_T3_S3", "public_key": "q6fIB1shTvfXiKIeS4NUDXc+RYXWHb/ubuozsw7ssWY=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }

Raw Packet Data (79 bytes)

0a09213930393633623163120e5a6170204e6f72746820336231631a045a61704e2206e80690963b1c28104220aba7c8075b214ef7d788a21e4b83540d773e4585d61dbfee6eea33b30eecb1664800

Hex Analysis:

Size:	79 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
MoeTD (Moe) Primary	0.000s Reference	-124.0 dBm	-15.75 dB	2	`ef` crxb	MediumFast	2026-05-18 06:15:26 UTC	Current
MoeTD (Moe)	-0.960s Before	-124.0 dBm	-15.75 dB	2	`ef` crxb	LongFast	2026-05-18 06:15:26 UTC	View
MoeTD (Moe)	-0.929s Before	-124.0 dBm	-15.75 dB	2	`ef` crxb	LongFast	2026-05-18 06:15:26 UTC	View
MoeTD (Moe)	-0.890s Before	-124.0 dBm	-15.75 dB	2	`ef` crxb	LongFast	2026-05-18 06:15:26 UTC	View
MoeTD (Moe)	-0.820s Before	-124.0 dBm	-15.75 dB	2	`ef` crxb	LongFast	2026-05-18 06:15:26 UTC	View
MoeTD (Moe)	-0.778s Before	-124.0 dBm	-15.75 dB	2	`ef` crxb	LongFast	2026-05-18 06:15:26 UTC	View
MoeTD (Moe)	-0.740s Before	-124.0 dBm	-15.75 dB	2	`ef` crxb	LongFast	2026-05-18 06:15:26 UTC	View
MoeTD (Moe)	-0.691s Before	-124.0 dBm	-15.75 dB	2	`ef` crxb	LongFast	2026-05-18 06:15:26 UTC	View
MoeTD (Moe)	-0.658s Before	-124.0 dBm	-15.75 dB	2	`ef` crxb	LongFast	2026-05-18 06:15:26 UTC	View
MoeTD (Moe)	-0.603s Before	-124.0 dBm	-15.75 dB	2	`ef` crxb	LongFast	2026-05-18 06:15:26 UTC	View
MoeTD (Moe)	-0.557s Before	-124.0 dBm	-15.75 dB	2	`ef` crxb	LongFast	2026-05-18 06:15:26 UTC	View
MoeTD (Moe)	-0.460s Before	-124.0 dBm	-15.75 dB	2	`ef` crxb	LongFast	2026-05-18 06:15:26 UTC	View
MoeTD (Moe)	-0.417s Before	-124.0 dBm	-15.75 dB	2	`ef` crxb	MediumFast	2026-05-18 06:15:26 UTC	View
MoeTD (Moe)	-0.364s Before	-124.0 dBm	-15.75 dB	2	`ef` crxb	MediumFast	2026-05-18 06:15:26 UTC	View
MoeTD (Moe)	-0.336s Before	-124.0 dBm	-15.75 dB	2	`ef` crxb	MediumFast	2026-05-18 06:15:26 UTC	View
MoeTD (Moe)	-0.273s Before	-124.0 dBm	-15.75 dB	2	`ef` crxb	MediumFast	2026-05-18 06:15:26 UTC	View
MoeTD (Moe)	-0.209s Before	-124.0 dBm	-15.75 dB	2	`ef` crxb	MediumFast	2026-05-18 06:15:26 UTC	View
MoeTD (Moe)	-0.174s Before	-124.0 dBm	-15.75 dB	2	`ef` crxb	MediumFast	2026-05-18 06:15:26 UTC	View
MoeTD (Moe)	-0.134s Before	-124.0 dBm	-15.75 dB	2	`ef` crxb	MediumFast	2026-05-18 06:15:26 UTC	View
MoeTD (Moe)	-0.104s Before	-124.0 dBm	-15.75 dB	2	`ef` crxb	MediumFast	2026-05-18 06:15:26 UTC	View
MoeTD (Moe)	-0.061s Before	-124.0 dBm	-15.75 dB	2	`ef` crxb	MediumFast	2026-05-18 06:15:26 UTC	View
MoeTD (Moe)	-0.034s Before	-124.0 dBm	-15.75 dB	2	`ef` crxb	MediumFast	2026-05-18 06:15:26 UTC	View
MoeTD (Moe)	+0.037s After	-124.0 dBm	-15.75 dB	2	`ef` crxb	ShortFast	2026-05-18 06:15:26 UTC	View
MoeTD (Moe)	+0.115s After	-124.0 dBm	-15.75 dB	2	`ef` crxb	ShortFast	2026-05-18 06:15:27 UTC	View
MoeTD (Moe)	+0.154s After	-124.0 dBm	-15.75 dB	2	`ef` crxb	ShortFast	2026-05-18 06:15:27 UTC	View
MoeTD (Moe)	+0.187s After	-124.0 dBm	-15.75 dB	2	`ef` crxb	ShortFast	2026-05-18 06:15:27 UTC	View
MoeTD (Moe)	+0.280s After	-124.0 dBm	-15.75 dB	2	`ef` crxb	ShortFast	2026-05-18 06:15:27 UTC	View
MoeTD (Moe)	+0.341s After	-124.0 dBm	-15.75 dB	2	`ef` crxb	ShortFast	2026-05-18 06:15:27 UTC	View
MoeTD (Moe)	+0.379s After	-124.0 dBm	-15.75 dB	2	`ef` crxb	ShortFast	2026-05-18 06:15:27 UTC	View
MoeTD (Moe)	+0.498s After	-124.0 dBm	-15.75 dB	2	`ef` crxb	ShortFast	2026-05-18 06:15:27 UTC	View
MoeTD (Moe)	+0.534s After	-124.0 dBm	-15.75 dB	2	`ef` crxb	ShortFast	2026-05-18 06:15:27 UTC	View
MoeTD (Moe)	+0.584s After	-124.0 dBm	-15.75 dB	2	`ef` crxb	ShortFast	2026-05-18 06:15:27 UTC	View
MoeTD (Moe)	+0.615s After	-124.0 dBm	-15.75 dB	2	`ef` crxb	ShortFast	2026-05-18 06:15:27 UTC	View
MoeTD (Moe)	+0.687s After	-124.0 dBm	-15.75 dB	2	`ef` crxb	ShortTurbo	2026-05-18 06:15:27 UTC	View
MoeTD (Moe)	+0.783s After	-124.0 dBm	-15.75 dB	2	`ef` crxb	ShortTurbo	2026-05-18 06:15:27 UTC	View
MoeTD (Moe)	+0.832s After	-124.0 dBm	-15.75 dB	2	`ef` crxb	ShortTurbo	2026-05-18 06:15:27 UTC	View
MoeTD (Moe)	+0.895s After	-124.0 dBm	-15.75 dB	2	`ef` crxb	ShortTurbo	2026-05-18 06:15:27 UTC	View
MoeTD (Moe)	+0.944s After	-124.0 dBm	-15.75 dB	2	`ef` crxb	ShortTurbo	2026-05-18 06:15:27 UTC	View
MoeTD (Moe)	+0.984s After	-124.0 dBm	-15.75 dB	2	`ef` crxb	ShortTurbo	2026-05-18 06:15:27 UTC	View
MoeTD (Moe)	+1.029s After	-124.0 dBm	-15.75 dB	2	`ef` crxb	ShortTurbo	2026-05-18 06:15:27 UTC	View
MoeTD (Moe)	+1.069s After	-124.0 dBm	-15.75 dB	2	`ef` crxb	ShortTurbo	2026-05-18 06:15:28 UTC	View
MoeTD (Moe)	+1.108s After	-124.0 dBm	-15.75 dB	2	`ef` crxb	ShortTurbo	2026-05-18 06:15:28 UTC	View
MoeTD (Moe)	+1.135s After	-124.0 dBm	-15.75 dB	2	`ef` crxb	ShortTurbo	2026-05-18 06:15:28 UTC	View
MoeTD (Moe)	+1.163s After	-124.0 dBm	-15.75 dB	2	`ef` crxb	ShortTurbo	2026-05-18 06:15:28 UTC	View
MoeTD (Moe)	+1.194s After	-124.0 dBm	-15.75 dB	2	`ef` crxb	LongFast	2026-05-18 06:15:28 UTC	View

45

Total Receptions

1

Unique Gateways