Packet #39443621 Success

NODEINFO_APP packet from IRN2 to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	39443621
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`	`1778907888.251483` 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)	-0.051s Before	-119.0 dBm	-10.25 dB	2	`ce`	LongFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	-0.020s Before	-119.0 dBm	-10.25 dB	2	`ce`	LongFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.021s 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)	+0.071s After	-119.0 dBm	-10.25 dB	2	`ce`	LongFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.093s After	-119.0 dBm	-10.25 dB	2	`ce`	LongFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.116s After	-119.0 dBm	-10.25 dB	2	`ce`	LongFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.138s After	-119.0 dBm	-10.25 dB	2	`ce`	LongFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.158s After	-119.0 dBm	-10.25 dB	2	`ce`	LongFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.180s After	-119.0 dBm	-10.25 dB	2	`ce`	LongFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.203s After	-119.0 dBm	-10.25 dB	2	`ce`	MediumFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.227s After	-119.0 dBm	-10.25 dB	2	`ce`	MediumFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.250s After	-119.0 dBm	-10.25 dB	2	`ce`	MediumFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.273s 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)	+0.319s After	-119.0 dBm	-10.25 dB	2	`ce`	MediumFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.343s After	-119.0 dBm	-10.25 dB	2	`ce`	MediumFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.367s After	-119.0 dBm	-10.25 dB	2	`ce`	MediumFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.393s After	-119.0 dBm	-10.25 dB	2	`ce`	MediumFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.426s After	-119.0 dBm	-10.25 dB	2	`ce`	MediumFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.460s After	-119.0 dBm	-10.25 dB	2	`ce`	MediumFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.491s After	-119.0 dBm	-10.25 dB	2	`ce`	ShortFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.516s After	-119.0 dBm	-10.25 dB	2	`ce`	ShortFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.539s After	-119.0 dBm	-10.25 dB	2	`ce`	ShortFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.569s After	-119.0 dBm	-10.25 dB	2	`ce`	ShortFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.593s After	-119.0 dBm	-10.25 dB	2	`ce`	ShortFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.614s After	-119.0 dBm	-10.25 dB	2	`ce`	ShortFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.639s After	-119.0 dBm	-10.25 dB	2	`ce`	ShortFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.663s After	-119.0 dBm	-10.25 dB	2	`ce`	ShortFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.690s After	-119.0 dBm	-10.25 dB	2	`ce`	ShortFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.713s After	-119.0 dBm	-10.25 dB	2	`ce`	ShortFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.735s After	-119.0 dBm	-10.25 dB	2	`ce`	ShortFast	2026-05-16 05:04:48 UTC	View
Mechanicus Alpha (M1)	+0.756s After	-119.0 dBm	-10.25 dB	2	`ce`	ShortTurbo	2026-05-16 05:04:49 UTC	View
Mechanicus Alpha (M1)	+0.777s 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)	+0.822s After	-119.0 dBm	-10.25 dB	2	`ce`	ShortTurbo	2026-05-16 05:04:49 UTC	View
Mechanicus Alpha (M1)	+0.847s After	-119.0 dBm	-10.25 dB	2	`ce`	ShortTurbo	2026-05-16 05:04:49 UTC	View
Mechanicus Alpha (M1)	+0.868s After	-119.0 dBm	-10.25 dB	2	`ce`	ShortTurbo	2026-05-16 05:04:49 UTC	View
Mechanicus Alpha (M1)	+0.891s 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)	+0.940s After	-119.0 dBm	-10.25 dB	2	`ce`	ShortTurbo	2026-05-16 05:04:49 UTC	View
Mechanicus Alpha (M1)	+0.960s After	-119.0 dBm	-10.25 dB	2	`ce`	ShortTurbo	2026-05-16 05:04:49 UTC	View
Mechanicus Alpha (M1)	+0.984s After	-119.0 dBm	-10.25 dB	2	`ce`	ShortTurbo	2026-05-16 05:04:49 UTC	View
Mechanicus Alpha (M1)	+1.009s After	-119.0 dBm	-10.25 dB	2	`ce`	LongFast	2026-05-16 05:04:49 UTC	View
lidman2 (lid2)	+1.032s After	-128.0 dBm	-19.25 dB	2	`ce`	LongFast	2026-05-16 05:04:49 UTC	View

46

Total Receptions

2

Unique Gateways