Packet #17898964 Success

NODEINFO_APP packet from el8020_2 (61b4) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	17898964
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:	MediumFast
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:	MediumFast
Payload Type:	NODEINFO_APP
Hop Count:	Unknown / 7

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 2 more...

Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!c46a61b4` Node ID format
`channel_id`	`MediumFast`
`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`	`1774622031.5651848` 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
✓ Zero-hop: direct from source to MQTT gateway

Exposure Risks:

⚠ Visible to all nodes on channel
⚠ 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": "MediumFast", "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	MediumFast	2026-03-27 14:33:51 UTC	Current
el8020_2 (61b4)	-0.395s Before	Unknown	Unknown	`b4` 61b4	LongFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	-0.374s Before	Unknown	Unknown	`b4` 61b4	LongFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	-0.354s Before	Unknown	Unknown	`b4` 61b4	LongFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	-0.334s Before	Unknown	Unknown	`b4` 61b4	LongFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	-0.312s Before	Unknown	Unknown	`b4` 61b4	LongFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	-0.289s Before	Unknown	Unknown	`b4` 61b4	LongFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	-0.265s Before	Unknown	Unknown	`b4` 61b4	LongFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	-0.242s Before	Unknown	Unknown	`b4` 61b4	LongFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	-0.219s Before	Unknown	Unknown	`b4` 61b4	LongFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	-0.197s Before	Unknown	Unknown	`b4` 61b4	LongFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	-0.176s Before	Unknown	Unknown	`b4` 61b4	LongFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	-0.155s Before	Unknown	Unknown	`b4` 61b4	MediumFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	-0.135s Before	Unknown	Unknown	`b4` 61b4	MediumFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	-0.111s Before	Unknown	Unknown	`b4` 61b4	MediumFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	-0.087s Before	Unknown	Unknown	`b4` 61b4	MediumFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	-0.065s Before	Unknown	Unknown	`b4` 61b4	MediumFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	-0.042s Before	Unknown	Unknown	`b4` 61b4	MediumFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	-0.021s Before	Unknown	Unknown	`b4` 61b4	MediumFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.020s After	Unknown	Unknown	`b4` 61b4	MediumFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.041s After	Unknown	Unknown	`b4` 61b4	MediumFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.065s After	Unknown	Unknown	`b4` 61b4	MediumFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.093s After	Unknown	Unknown	`b4` 61b4	ShortFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.117s After	Unknown	Unknown	`b4` 61b4	ShortFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.140s After	Unknown	Unknown	`b4` 61b4	ShortFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.162s After	Unknown	Unknown	`b4` 61b4	ShortFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.183s After	Unknown	Unknown	`b4` 61b4	ShortFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.204s After	Unknown	Unknown	`b4` 61b4	ShortFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.226s After	Unknown	Unknown	`b4` 61b4	ShortFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.249s After	Unknown	Unknown	`b4` 61b4	ShortFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.273s After	Unknown	Unknown	`b4` 61b4	ShortFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.297s After	Unknown	Unknown	`b4` 61b4	ShortFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.320s After	Unknown	Unknown	`b4` 61b4	ShortFast	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.342s After	Unknown	Unknown	`b4` 61b4	ShortTurbo	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.363s After	Unknown	Unknown	`b4` 61b4	ShortTurbo	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.384s After	Unknown	Unknown	`b4` 61b4	ShortTurbo	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.406s After	Unknown	Unknown	`b4` 61b4	ShortTurbo	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.429s After	Unknown	Unknown	`b4` 61b4	ShortTurbo	2026-03-27 14:33:51 UTC	View
el8020_2 (61b4)	+0.453s After	Unknown	Unknown	`b4` 61b4	ShortTurbo	2026-03-27 14:33:52 UTC	View
el8020_2 (61b4)	+0.477s After	Unknown	Unknown	`b4` 61b4	ShortTurbo	2026-03-27 14:33:52 UTC	View
el8020_2 (61b4)	+0.500s After	Unknown	Unknown	`b4` 61b4	ShortTurbo	2026-03-27 14:33:52 UTC	View
el8020_2 (61b4)	+0.522s After	Unknown	Unknown	`b4` 61b4	ShortTurbo	2026-03-27 14:33:52 UTC	View
el8020_2 (61b4)	+0.543s After	Unknown	Unknown	`b4` 61b4	ShortTurbo	2026-03-27 14:33:52 UTC	View
el8020_2 (61b4)	+0.565s After	Unknown	Unknown	`b4` 61b4	ShortTurbo	2026-03-27 14:33:52 UTC	View
el8020_2 (61b4)	+0.585s After	Unknown	Unknown	`b4` 61b4	LongFast	2026-03-27 14:33:52 UTC	View

45

Total Receptions

1

Unique Gateways