Packet #17948996 Success

NODEINFO_APP packet from el8020_2 (61b4) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	17948996
Mesh Packet ID:	`0x9768609d` Used for correlation across gateways
Timestamp:	2026-03-27 17:33:50 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`	`1774632810` 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`	`1774632830.595589` 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": 2540200093, "rx_time": 1774632810, "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 17:33:50 UTC	Current
el8020_2 (61b4)	-0.065s Before	Unknown	Unknown	`b4` 61b4	LongFast	2026-03-27 17:33:50 UTC	View
el8020_2 (61b4)	-0.035s Before	Unknown	Unknown	`b4` 61b4	LongFast	2026-03-27 17:33:50 UTC	View
el8020_2 (61b4)	+0.028s After	Unknown	Unknown	`b4` 61b4	LongFast	2026-03-27 17:33:50 UTC	View
el8020_2 (61b4)	+0.060s After	Unknown	Unknown	`b4` 61b4	LongFast	2026-03-27 17:33:50 UTC	View
el8020_2 (61b4)	+0.094s After	Unknown	Unknown	`b4` 61b4	LongFast	2026-03-27 17:33:50 UTC	View
el8020_2 (61b4)	+0.120s After	Unknown	Unknown	`b4` 61b4	LongFast	2026-03-27 17:33:50 UTC	View
el8020_2 (61b4)	+0.143s After	Unknown	Unknown	`b4` 61b4	LongFast	2026-03-27 17:33:50 UTC	View
el8020_2 (61b4)	+0.170s After	Unknown	Unknown	`b4` 61b4	LongFast	2026-03-27 17:33:50 UTC	View
el8020_2 (61b4)	+0.193s After	Unknown	Unknown	`b4` 61b4	LongFast	2026-03-27 17:33:50 UTC	View
el8020_2 (61b4)	+0.236s After	Unknown	Unknown	`b4` 61b4	LongFast	2026-03-27 17:33:50 UTC	View
el8020_2 (61b4)	+0.280s After	Unknown	Unknown	`b4` 61b4	MediumFast	2026-03-27 17:33:50 UTC	View
el8020_2 (61b4)	+0.339s After	Unknown	Unknown	`b4` 61b4	MediumFast	2026-03-27 17:33:50 UTC	View
el8020_2 (61b4)	+0.396s After	Unknown	Unknown	`b4` 61b4	MediumFast	2026-03-27 17:33:50 UTC	View
el8020_2 (61b4)	+0.432s After	Unknown	Unknown	`b4` 61b4	MediumFast	2026-03-27 17:33:51 UTC	View
el8020_2 (61b4)	+0.453s After	Unknown	Unknown	`b4` 61b4	MediumFast	2026-03-27 17:33:51 UTC	View
el8020_2 (61b4)	+0.476s After	Unknown	Unknown	`b4` 61b4	MediumFast	2026-03-27 17:33:51 UTC	View
el8020_2 (61b4)	+0.500s After	Unknown	Unknown	`b4` 61b4	MediumFast	2026-03-27 17:33:51 UTC	View
el8020_2 (61b4)	+0.523s After	Unknown	Unknown	`b4` 61b4	MediumFast	2026-03-27 17:33:51 UTC	View
el8020_2 (61b4)	+0.547s After	Unknown	Unknown	`b4` 61b4	MediumFast	2026-03-27 17:33:51 UTC	View
el8020_2 (61b4)	+0.569s After	Unknown	Unknown	`b4` 61b4	MediumFast	2026-03-27 17:33:51 UTC	View
el8020_2 (61b4)	+0.591s After	Unknown	Unknown	`b4` 61b4	MediumFast	2026-03-27 17:33:51 UTC	View
el8020_2 (61b4)	+0.612s After	Unknown	Unknown	`b4` 61b4	ShortFast	2026-03-27 17:33:51 UTC	View
el8020_2 (61b4)	+0.633s After	Unknown	Unknown	`b4` 61b4	ShortFast	2026-03-27 17:33:51 UTC	View
el8020_2 (61b4)	+0.655s After	Unknown	Unknown	`b4` 61b4	ShortFast	2026-03-27 17:33:51 UTC	View
el8020_2 (61b4)	+0.679s After	Unknown	Unknown	`b4` 61b4	ShortFast	2026-03-27 17:33:51 UTC	View
el8020_2 (61b4)	+0.702s After	Unknown	Unknown	`b4` 61b4	ShortFast	2026-03-27 17:33:51 UTC	View
el8020_2 (61b4)	+0.726s After	Unknown	Unknown	`b4` 61b4	ShortFast	2026-03-27 17:33:51 UTC	View
el8020_2 (61b4)	+0.748s After	Unknown	Unknown	`b4` 61b4	ShortFast	2026-03-27 17:33:51 UTC	View
el8020_2 (61b4)	+0.769s After	Unknown	Unknown	`b4` 61b4	ShortFast	2026-03-27 17:33:51 UTC	View
el8020_2 (61b4)	+0.791s After	Unknown	Unknown	`b4` 61b4	ShortFast	2026-03-27 17:33:51 UTC	View
el8020_2 (61b4)	+0.812s After	Unknown	Unknown	`b4` 61b4	ShortFast	2026-03-27 17:33:51 UTC	View
el8020_2 (61b4)	+0.835s After	Unknown	Unknown	`b4` 61b4	ShortFast	2026-03-27 17:33:51 UTC	View
el8020_2 (61b4)	+0.859s After	Unknown	Unknown	`b4` 61b4	ShortTurbo	2026-03-27 17:33:51 UTC	View
el8020_2 (61b4)	+0.883s After	Unknown	Unknown	`b4` 61b4	ShortTurbo	2026-03-27 17:33:51 UTC	View
el8020_2 (61b4)	+0.906s After	Unknown	Unknown	`b4` 61b4	ShortTurbo	2026-03-27 17:33:51 UTC	View
el8020_2 (61b4)	+0.928s After	Unknown	Unknown	`b4` 61b4	ShortTurbo	2026-03-27 17:33:51 UTC	View
el8020_2 (61b4)	+0.950s After	Unknown	Unknown	`b4` 61b4	ShortTurbo	2026-03-27 17:33:51 UTC	View
el8020_2 (61b4)	+0.972s After	Unknown	Unknown	`b4` 61b4	ShortTurbo	2026-03-27 17:33:51 UTC	View
el8020_2 (61b4)	+0.993s After	Unknown	Unknown	`b4` 61b4	ShortTurbo	2026-03-27 17:33:51 UTC	View
el8020_2 (61b4)	+1.016s After	Unknown	Unknown	`b4` 61b4	ShortTurbo	2026-03-27 17:33:51 UTC	View
el8020_2 (61b4)	+1.040s After	Unknown	Unknown	`b4` 61b4	ShortTurbo	2026-03-27 17:33:51 UTC	View
el8020_2 (61b4)	+1.064s After	Unknown	Unknown	`b4` 61b4	ShortTurbo	2026-03-27 17:33:51 UTC	View
el8020_2 (61b4)	+1.087s After	Unknown	Unknown	`b4` 61b4	ShortTurbo	2026-03-27 17:33:51 UTC	View
el8020_2 (61b4)	+1.110s After	Unknown	Unknown	`b4` 61b4	LongFast	2026-03-27 17:33:51 UTC	View

45

Total Receptions

1

Unique Gateways