Packet #39443664 Success

NODEINFO_APP packet from IRN2 to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	39443664
Mesh Packet ID:	`0x639df5c9` Used for correlation across gateways
Timestamp:	2026-05-16 05:04:49 UTC
From Node:	IRN2 (cef8)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	lidman2 (lid2)
Channel:	LongFast
RSSI:	-128 dBm
SNR:	-19.25 dBm
Hop Info:	2/7 hops Start: 7, Limit: 5
Relay Node:	`ce` Last byte of the last hop that relayed this packet

Payload Data

Protocol: NODEINFO_APP

Size: 69 bytes

Decoded: Yes

Decoded Data:

Long Name:	IRN2
Short Name:	IRN2
Node ID:	!0407cef8
MAC Address:	rKcEB874
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:	69 bytes
Gateway:	!9e7623cc
Channel:	LongFast
Payload Type:	NODEINFO_APP
Hop Count:	2 / 7

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked

Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 3 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!9e7623cc` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (69 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`67620600` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`4` NODEINFO_APP	enum
`decoded.payload_length`	`69` 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`	`-19.25` dB Signal quality at gateway	float
`rx_time`	`1778907885` 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`	`206` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1778907889.2834067` 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

Exposure Risks:

⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (2 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!9e7623cc`
Signal Metrics:	RSSI: -128.0 dBm SNR: -19.25 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	NODEINFO_APP
Size:	69 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "id": "!0407cef8", "long_name": "IRN2", "short_name": "IRN2", "macaddr": "rKcEB874", "hw_model": "HELTEC_V3" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!9e7623cc", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 67620600, "to": 4294967295, "id": 1671296457, "rx_time": 1778907885, "rx_snr": -19.25, "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": 206, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213034303763656638120449524e321a0449524e322206aca70407cef8282b422019a8354c7ad301985ca0e4e05f95098064a99ba6e84c11d444af8eca6ee8b7104800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!0407cef8", "long_name": "IRN2", "short_name": "IRN2", "macaddr": "rKcEB874", "hw_model": "HELTEC_V3", "public_key": "Gag1THrTAZhcoOTgX5UJgGSpm6boTBHURK+Oym7otxA=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }

Raw Packet Data (69 bytes)

0a09213034303763656638120449524e321a0449524e322206aca70407cef8282b422019a8354c7ad301985ca0e4e05f95098064a99ba6e84c11d444af8eca6ee8b7104800

Hex Analysis:

Size:	69 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
lidman2 (lid2) Primary	0.000s Reference	-128.0 dBm	-19.25 dB	2	`ce`	LongFast	2026-05-16 05:04:49 UTC	Current
Mechanicus Alpha (M1)	-1.083s Before	-119.0 dBm	-10.25 dB	2	`ce`	LongFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	-1.052s Before	-119.0 dBm	-10.25 dB	2	`ce`	LongFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	-1.032s Before	-119.0 dBm	-10.25 dB	2	`ce`	LongFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	-1.011s Before	-119.0 dBm	-10.25 dB	2	`ce`	LongFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	-0.987s Before	-119.0 dBm	-10.25 dB	2	`ce`	LongFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	-0.961s Before	-119.0 dBm	-10.25 dB	2	`ce`	LongFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	-0.939s Before	-119.0 dBm	-10.25 dB	2	`ce`	LongFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	-0.916s Before	-119.0 dBm	-10.25 dB	2	`ce`	LongFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	-0.894s Before	-119.0 dBm	-10.25 dB	2	`ce`	LongFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	-0.874s Before	-119.0 dBm	-10.25 dB	2	`ce`	LongFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	-0.852s Before	-119.0 dBm	-10.25 dB	2	`ce`	LongFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	-0.829s Before	-119.0 dBm	-10.25 dB	2	`ce`	MediumFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	-0.805s Before	-119.0 dBm	-10.25 dB	2	`ce`	MediumFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	-0.782s Before	-119.0 dBm	-10.25 dB	2	`ce`	MediumFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	-0.759s Before	-119.0 dBm	-10.25 dB	2	`ce`	MediumFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	-0.735s Before	-119.0 dBm	-10.25 dB	2	`ce`	MediumFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	-0.713s Before	-119.0 dBm	-10.25 dB	2	`ce`	MediumFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	-0.689s Before	-119.0 dBm	-10.25 dB	2	`ce`	MediumFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	-0.665s Before	-119.0 dBm	-10.25 dB	2	`ce`	MediumFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	-0.639s Before	-119.0 dBm	-10.25 dB	2	`ce`	MediumFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	-0.606s Before	-119.0 dBm	-10.25 dB	2	`ce`	MediumFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	-0.572s Before	-119.0 dBm	-10.25 dB	2	`ce`	MediumFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	-0.541s Before	-119.0 dBm	-10.25 dB	2	`ce`	ShortFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	-0.516s Before	-119.0 dBm	-10.25 dB	2	`ce`	ShortFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	-0.493s Before	-119.0 dBm	-10.25 dB	2	`ce`	ShortFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	-0.463s Before	-119.0 dBm	-10.25 dB	2	`ce`	ShortFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	-0.439s Before	-119.0 dBm	-10.25 dB	2	`ce`	ShortFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	-0.418s Before	-119.0 dBm	-10.25 dB	2	`ce`	ShortFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	-0.393s Before	-119.0 dBm	-10.25 dB	2	`ce`	ShortFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	-0.369s Before	-119.0 dBm	-10.25 dB	2	`ce`	ShortFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	-0.342s Before	-119.0 dBm	-10.25 dB	2	`ce`	ShortFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	-0.319s Before	-119.0 dBm	-10.25 dB	2	`ce`	ShortFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	-0.297s Before	-119.0 dBm	-10.25 dB	2	`ce`	ShortFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	-0.276s Before	-119.0 dBm	-10.25 dB	2	`ce`	ShortTurbo	2026-05-16 05:04:49 UTC	View
Mechanicus Alpha (M1)	-0.255s Before	-119.0 dBm	-10.25 dB	2	`ce`	ShortTurbo	2026-05-16 05:04:49 UTC	View
Mechanicus Alpha (M1)	-0.235s Before	-119.0 dBm	-10.25 dB	2	`ce`	ShortTurbo	2026-05-16 05:04:49 UTC	View
Mechanicus Alpha (M1)	-0.210s Before	-119.0 dBm	-10.25 dB	2	`ce`	ShortTurbo	2026-05-16 05:04:49 UTC	View
Mechanicus Alpha (M1)	-0.185s Before	-119.0 dBm	-10.25 dB	2	`ce`	ShortTurbo	2026-05-16 05:04:49 UTC	View
Mechanicus Alpha (M1)	-0.164s Before	-119.0 dBm	-10.25 dB	2	`ce`	ShortTurbo	2026-05-16 05:04:49 UTC	View
Mechanicus Alpha (M1)	-0.141s Before	-119.0 dBm	-10.25 dB	2	`ce`	ShortTurbo	2026-05-16 05:04:49 UTC	View
Mechanicus Alpha (M1)	-0.119s Before	-119.0 dBm	-10.25 dB	2	`ce`	ShortTurbo	2026-05-16 05:04:49 UTC	View
Mechanicus Alpha (M1)	-0.092s Before	-119.0 dBm	-10.25 dB	2	`ce`	ShortTurbo	2026-05-16 05:04:49 UTC	View
Mechanicus Alpha (M1)	-0.072s Before	-119.0 dBm	-10.25 dB	2	`ce`	ShortTurbo	2026-05-16 05:04:49 UTC	View
Mechanicus Alpha (M1)	-0.048s Before	-119.0 dBm	-10.25 dB	2	`ce`	ShortTurbo	2026-05-16 05:04:49 UTC	View
Mechanicus Alpha (M1)	-0.023s Before	-119.0 dBm	-10.25 dB	2	`ce`	LongFast	2026-05-16 05:04:49 UTC	View

46

Total Receptions

2

Unique Gateways