Packet #17898947 Success

NODEINFO_APP packet from el8020_2 (61b4) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	17898947
Mesh Packet ID:	`0xe371abdd` Used for correlation across gateways
Timestamp:	2026-03-27 14:33:51 UTC
From Node:	el8020_2 (61b4)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	el8020_2 (61b4)
Channel:	LongFast
RSSI:	Unknown
SNR:	Unknown
Hop Info:	0/7 hops Start: 7, Limit: 7
Relay Node:	`b4` 61b4 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: 73 bytes

Decoded: Yes

Decoded Data:

Long Name:	el8020_2
Short Name:	61b4
Node ID:	!c46a61b4
MAC Address:	/PXEamG0
Hardware:	M5STACK

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:	73 bytes
Gateway:	!c46a61b4
Channel:	LongFast
Payload Type:	NODEINFO_APP
Hop Count:	Unknown / 7

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
+ 1 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!c46a61b4` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (73 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`3295306164` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`4` NODEINFO_APP	enum
`decoded.payload_length`	`73` bytes	size
`hop_limit`	`7` Remaining hops allowed	uint32
`hop_start`	`7` Initial hop limit	uint32
`hops_taken`	`0` Calculated: hop_start - hop_limit	derived
`rx_rssi`	Not set	int32
`rx_snr`	Not set	float
`rx_time`	`1774622010` Receive timestamp	fixed32
`via_mqtt`	False Direct LoRa transmission	bool
`want_ack`	False No ACK requested	bool
`priority`	`10` Packet priority level	enum
`delayed`	Not set	enum
`channel`	Not set	uint32
`pki_encrypted`	False Standard encryption	bool
`next_hop`	Not set	uint32
`relay_node`	`180` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1774622031.1908038` 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

MQTT-Specific Fields

Gateway ID:	`!c46a61b4`
Zero Hop Policy:	Enabled Direct gateway connection

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	NODEINFO_APP
Size:	73 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "id": "!c46a61b4", "long_name": "el8020_2", "short_name": "61b4", "macaddr": "/PXEamG0", "hw_model": "M5STACK" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!c46a61b4", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3295306164, "to": 4294967295, "id": 3815877597, "rx_time": 1774622010, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 7, "hop_start": 7, "via_mqtt": false, "want_ack": false, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 180, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a092163343661363162341208656c383032305f321a04363162342206fcf5c46a61b4282a42207c1b2023aa4ef8ddf9fe93a1295b5f861080982dad20da41faeb0d1136e5ed3f4800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!c46a61b4", "long_name": "el8020_2", "short_name": "61b4", "macaddr": "/PXEamG0", "hw_model": "M5STACK", "public_key": "fBsgI6pO+N35/pOhKVtfhhCAmC2tINpB+usNETbl7T8=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }

Raw Packet Data (73 bytes)

0a092163343661363162341208656c383032305f321a04363162342206fcf5c46a61b4282a42207c1b2023aa4ef8ddf9fe93a1295b5f861080982dad20da41faeb0d1136e5ed3f4800

Hex Analysis:

Size:	73 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	Relay	Channel	Timestamp	Actions
el8020_2 (61b4) Primary	0.000s Reference	Unknown	Unknown	`b4` 61b4	LongFast	2026-03-27 14:33:51 UTC	Current
el8020_2 (61b4)	-0.021s Before	Unknown	Unknown	`b4` 61b4	LongFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.020s After	Unknown	Unknown	`b4` 61b4	LongFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.041s After	Unknown	Unknown	`b4` 61b4	LongFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.062s After	Unknown	Unknown	`b4` 61b4	LongFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.085s After	Unknown	Unknown	`b4` 61b4	LongFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.110s After	Unknown	Unknown	`b4` 61b4	LongFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.133s After	Unknown	Unknown	`b4` 61b4	LongFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.156s After	Unknown	Unknown	`b4` 61b4	LongFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.177s After	Unknown	Unknown	`b4` 61b4	LongFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.198s After	Unknown	Unknown	`b4` 61b4	LongFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.219s After	Unknown	Unknown	`b4` 61b4	MediumFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.240s After	Unknown	Unknown	`b4` 61b4	MediumFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.263s After	Unknown	Unknown	`b4` 61b4	MediumFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.287s After	Unknown	Unknown	`b4` 61b4	MediumFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.310s After	Unknown	Unknown	`b4` 61b4	MediumFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.332s After	Unknown	Unknown	`b4` 61b4	MediumFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.353s After	Unknown	Unknown	`b4` 61b4	MediumFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.374s After	Unknown	Unknown	`b4` 61b4	MediumFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.395s After	Unknown	Unknown	`b4` 61b4	MediumFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.416s After	Unknown	Unknown	`b4` 61b4	MediumFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.440s After	Unknown	Unknown	`b4` 61b4	MediumFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.468s After	Unknown	Unknown	`b4` 61b4	ShortFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.491s After	Unknown	Unknown	`b4` 61b4	ShortFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.515s After	Unknown	Unknown	`b4` 61b4	ShortFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.536s After	Unknown	Unknown	`b4` 61b4	ShortFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.558s After	Unknown	Unknown	`b4` 61b4	ShortFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.579s After	Unknown	Unknown	`b4` 61b4	ShortFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.600s After	Unknown	Unknown	`b4` 61b4	ShortFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.624s After	Unknown	Unknown	`b4` 61b4	ShortFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.648s After	Unknown	Unknown	`b4` 61b4	ShortFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.671s After	Unknown	Unknown	`b4` 61b4	ShortFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.695s After	Unknown	Unknown	`b4` 61b4	ShortFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.716s After	Unknown	Unknown	`b4` 61b4	ShortTurbo	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.738s After	Unknown	Unknown	`b4` 61b4	ShortTurbo	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.759s After	Unknown	Unknown	`b4` 61b4	ShortTurbo	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.780s After	Unknown	Unknown	`b4` 61b4	ShortTurbo	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.804s After	Unknown	Unknown	`b4` 61b4	ShortTurbo	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.827s After	Unknown	Unknown	`b4` 61b4	ShortTurbo	2026-03-27 14:33:52 UTC	View
el8020_2 (61b4)	+0.852s After	Unknown	Unknown	`b4` 61b4	ShortTurbo	2026-03-27 14:33:52 UTC	View
el8020_2 (61b4)	+0.875s After	Unknown	Unknown	`b4` 61b4	ShortTurbo	2026-03-27 14:33:52 UTC	View
el8020_2 (61b4)	+0.896s After	Unknown	Unknown	`b4` 61b4	ShortTurbo	2026-03-27 14:33:52 UTC	View
el8020_2 (61b4)	+0.918s After	Unknown	Unknown	`b4` 61b4	ShortTurbo	2026-03-27 14:33:52 UTC	View
el8020_2 (61b4)	+0.939s After	Unknown	Unknown	`b4` 61b4	ShortTurbo	2026-03-27 14:33:52 UTC	View
el8020_2 (61b4)	+0.960s After	Unknown	Unknown	`b4` 61b4	LongFast	2026-03-27 14:33:52 UTC	View

45

Total Receptions

1

Unique Gateways