Packet #39443624 Success

NODEINFO_APP packet from IRN2 to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	39443624
Mesh Packet ID:	`0x639df5c9` Used for correlation across gateways
Timestamp:	2026-05-16 05:04:48 UTC
From Node:	IRN2 (cef8)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	Mechanicus Alpha (M1)
Channel:	LongFast
RSSI:	-119 dBm
SNR:	-10.25 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:	!433e868c
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`	`!433e868c` 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`	`-119.0` dBm Signal strength at gateway	int32
`rx_snr`	`-10.25` dB Signal quality at gateway	float
`rx_time`	`1778907886` 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`	`1778907888.322411` 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:	`!433e868c`
Signal Metrics:	RSSI: -119.0 dBm SNR: -10.25 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": "!433e868c", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 67620600, "to": 4294967295, "id": 1671296457, "rx_time": 1778907886, "rx_snr": -10.25, "rx_rssi": -119, "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
Mechanicus Alpha (M1) Primary	0.000s Reference	-119.0 dBm	-10.25 dB	2	`ce`	LongFast	2026-05-16 05:04:48 UTC	Current
Mechanicus Alpha (M1)	-0.122s Before	-119.0 dBm	-10.25 dB	2	`ce`	LongFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	-0.091s Before	-119.0 dBm	-10.25 dB	2	`ce`	LongFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	-0.071s Before	-119.0 dBm	-10.25 dB	2	`ce`	LongFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	-0.050s Before	-119.0 dBm	-10.25 dB	2	`ce`	LongFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	-0.026s Before	-119.0 dBm	-10.25 dB	2	`ce`	LongFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.022s After	-119.0 dBm	-10.25 dB	2	`ce`	LongFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.045s After	-119.0 dBm	-10.25 dB	2	`ce`	LongFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.067s After	-119.0 dBm	-10.25 dB	2	`ce`	LongFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.087s After	-119.0 dBm	-10.25 dB	2	`ce`	LongFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.109s After	-119.0 dBm	-10.25 dB	2	`ce`	LongFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.132s After	-119.0 dBm	-10.25 dB	2	`ce`	MediumFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.156s After	-119.0 dBm	-10.25 dB	2	`ce`	MediumFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.179s After	-119.0 dBm	-10.25 dB	2	`ce`	MediumFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.202s After	-119.0 dBm	-10.25 dB	2	`ce`	MediumFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.226s After	-119.0 dBm	-10.25 dB	2	`ce`	MediumFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.248s After	-119.0 dBm	-10.25 dB	2	`ce`	MediumFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.272s After	-119.0 dBm	-10.25 dB	2	`ce`	MediumFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.296s After	-119.0 dBm	-10.25 dB	2	`ce`	MediumFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.322s After	-119.0 dBm	-10.25 dB	2	`ce`	MediumFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.355s After	-119.0 dBm	-10.25 dB	2	`ce`	MediumFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.389s After	-119.0 dBm	-10.25 dB	2	`ce`	MediumFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.420s After	-119.0 dBm	-10.25 dB	2	`ce`	ShortFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.445s After	-119.0 dBm	-10.25 dB	2	`ce`	ShortFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.468s After	-119.0 dBm	-10.25 dB	2	`ce`	ShortFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.498s After	-119.0 dBm	-10.25 dB	2	`ce`	ShortFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.522s After	-119.0 dBm	-10.25 dB	2	`ce`	ShortFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.543s After	-119.0 dBm	-10.25 dB	2	`ce`	ShortFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.568s After	-119.0 dBm	-10.25 dB	2	`ce`	ShortFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.592s After	-119.0 dBm	-10.25 dB	2	`ce`	ShortFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.619s After	-119.0 dBm	-10.25 dB	2	`ce`	ShortFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.642s After	-119.0 dBm	-10.25 dB	2	`ce`	ShortFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.664s After	-119.0 dBm	-10.25 dB	2	`ce`	ShortFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.685s After	-119.0 dBm	-10.25 dB	2	`ce`	ShortTurbo	2026-05-16 05:04:49 UTC	View
Mechanicus Alpha (M1)	+0.706s After	-119.0 dBm	-10.25 dB	2	`ce`	ShortTurbo	2026-05-16 05:04:49 UTC	View
Mechanicus Alpha (M1)	+0.726s After	-119.0 dBm	-10.25 dB	2	`ce`	ShortTurbo	2026-05-16 05:04:49 UTC	View
Mechanicus Alpha (M1)	+0.751s After	-119.0 dBm	-10.25 dB	2	`ce`	ShortTurbo	2026-05-16 05:04:49 UTC	View
Mechanicus Alpha (M1)	+0.776s After	-119.0 dBm	-10.25 dB	2	`ce`	ShortTurbo	2026-05-16 05:04:49 UTC	View
Mechanicus Alpha (M1)	+0.797s After	-119.0 dBm	-10.25 dB	2	`ce`	ShortTurbo	2026-05-16 05:04:49 UTC	View
Mechanicus Alpha (M1)	+0.820s After	-119.0 dBm	-10.25 dB	2	`ce`	ShortTurbo	2026-05-16 05:04:49 UTC	View
Mechanicus Alpha (M1)	+0.842s After	-119.0 dBm	-10.25 dB	2	`ce`	ShortTurbo	2026-05-16 05:04:49 UTC	View
Mechanicus Alpha (M1)	+0.869s After	-119.0 dBm	-10.25 dB	2	`ce`	ShortTurbo	2026-05-16 05:04:49 UTC	View
Mechanicus Alpha (M1)	+0.889s After	-119.0 dBm	-10.25 dB	2	`ce`	ShortTurbo	2026-05-16 05:04:49 UTC	View
Mechanicus Alpha (M1)	+0.913s After	-119.0 dBm	-10.25 dB	2	`ce`	ShortTurbo	2026-05-16 05:04:49 UTC	View
Mechanicus Alpha (M1)	+0.938s After	-119.0 dBm	-10.25 dB	2	`ce`	LongFast	2026-05-16 05:04:49 UTC	View
lidman2 (lid2)	+0.961s After	-128.0 dBm	-19.25 dB	2	`ce`	LongFast	2026-05-16 05:04:49 UTC	View

46

Total Receptions

2

Unique Gateways