Packet #18209341 Success

NODEINFO_APP packet from MeshHead 2 (MH2) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	18209341
Mesh Packet ID:	`0x258f6aac` Used for correlation across gateways
Timestamp:	2026-03-28 08:41:12 UTC
From Node:	MeshHead 2 (MH2)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	Seri Base d120 (SRB)
Channel:	ShortTurbo
RSSI:	-108 dBm
SNR:	-8.5 dBm
Hop Info:	1/3 hops Start: 3, Limit: 2
Relay Node:	`05` ee05 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: 76 bytes

Decoded: Yes

Decoded Data:

Long Name:	MeshHead 2
Short Name:	MH2
Node ID:	!9e762930
MAC Address:	8J6edikw
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:	76 bytes
Gateway:	!16ced120
Channel:	ShortTurbo
Payload Type:	NODEINFO_APP
Hop Count:	1 / 3

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortTurbo
+ 1 more...

Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 2 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!16ced120` Node ID format
`channel_id`	`ShortTurbo`
`packet`	`MeshPacket` (76 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`2658543920` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`4` NODEINFO_APP	enum
`decoded.payload_length`	`76` bytes	size
`hop_limit`	`2` Remaining hops allowed	uint32
`hop_start`	`3` Initial hop limit	uint32
`hops_taken`	`1` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-108.0` dBm Signal strength at gateway	int32
`rx_snr`	`-8.50` dB Signal quality at gateway	float
`rx_time`	`1774687271` 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`	`5` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1774687272.8374727` 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: ShortTurbo
✓ Gateway node ID tracked

Exposure Risks:

⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (1 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!16ced120`
Signal Metrics:	RSSI: -108.0 dBm SNR: -8.50 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	NODEINFO_APP
Size:	76 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "id": "!9e762930", "long_name": "MeshHead 2", "short_name": "MH2", "macaddr": "8J6edikw", "hw_model": "HELTEC_V3" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!16ced120", "channel_id": "ShortTurbo", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2658543920, "to": 4294967295, "id": 630155948, "rx_time": 1774687271, "rx_snr": -8.5, "rx_rssi": -108, "hop_limit": 2, "hop_start": 3, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 5, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213965373632393330120a4d6573684865616420321a034d48322206f09e9e762930282b380142200c8f7bfb4a0af765f021b750cdb5fdbddcdf72a9c29aa8fab5a7f0a59b38ec6c4800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!9e762930", "long_name": "MeshHead 2", "short_name": "MH2", "macaddr": "8J6edikw", "hw_model": "HELTEC_V3", "role": "CLIENT_MUTE", "public_key": "DI97+0oK92XwIbdQzbX9vdzfcqnCmqj6tafwpZs47Gw=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }

Raw Packet Data (76 bytes)

0a09213965373632393330120a4d6573684865616420321a034d48322206f09e9e762930282b380142200c8f7bfb4a0af765f021b750cdb5fdbddcdf72a9c29aa8fab5a7f0a59b38ec6c4800

Hex Analysis:

Size:	76 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
Seri Base d120 (SRB) Primary	0.000s Reference	-108.0 dBm	-8.50 dB	1	`05` ee05	ShortTurbo	2026-03-28 08:41:12 UTC	Current
Seri Base d120 (SRB)	-0.955s Before	-108.0 dBm	-8.50 dB	1	`05` ee05	LongFast	2026-03-28 08:41:11 UTC	View
Seri Base d120 (SRB)	-0.929s Before	-108.0 dBm	-8.50 dB	1	`05` ee05	LongFast	2026-03-28 08:41:11 UTC	View
Seri Base d120 (SRB)	-0.905s Before	-108.0 dBm	-8.50 dB	1	`05` ee05	LongFast	2026-03-28 08:41:11 UTC	View
Seri Base d120 (SRB)	-0.882s Before	-108.0 dBm	-8.50 dB	1	`05` ee05	LongFast	2026-03-28 08:41:11 UTC	View
Seri Base d120 (SRB)	-0.858s Before	-108.0 dBm	-8.50 dB	1	`05` ee05	LongFast	2026-03-28 08:41:11 UTC	View
Seri Base d120 (SRB)	-0.836s Before	-108.0 dBm	-8.50 dB	1	`05` ee05	LongFast	2026-03-28 08:41:12 UTC	View
Seri Base d120 (SRB)	-0.815s Before	-108.0 dBm	-8.50 dB	1	`05` ee05	LongFast	2026-03-28 08:41:12 UTC	View
Seri Base d120 (SRB)	-0.793s Before	-108.0 dBm	-8.50 dB	1	`05` ee05	LongFast	2026-03-28 08:41:12 UTC	View
Seri Base d120 (SRB)	-0.772s Before	-108.0 dBm	-8.50 dB	1	`05` ee05	LongFast	2026-03-28 08:41:12 UTC	View
Seri Base d120 (SRB)	-0.749s Before	-108.0 dBm	-8.50 dB	1	`05` ee05	LongFast	2026-03-28 08:41:12 UTC	View
Seri Base d120 (SRB)	-0.725s Before	-108.0 dBm	-8.50 dB	1	`05` ee05	LongFast	2026-03-28 08:41:12 UTC	View
Seri Base d120 (SRB)	-0.701s Before	-108.0 dBm	-8.50 dB	1	`05` ee05	MediumFast	2026-03-28 08:41:12 UTC	View
Seri Base d120 (SRB)	-0.677s Before	-108.0 dBm	-8.50 dB	1	`05` ee05	MediumFast	2026-03-28 08:41:12 UTC	View
Seri Base d120 (SRB)	-0.654s Before	-108.0 dBm	-8.50 dB	1	`05` ee05	MediumFast	2026-03-28 08:41:12 UTC	View
Seri Base d120 (SRB)	-0.633s Before	-108.0 dBm	-8.50 dB	1	`05` ee05	MediumFast	2026-03-28 08:41:12 UTC	View
Seri Base d120 (SRB)	-0.612s Before	-108.0 dBm	-8.50 dB	1	`05` ee05	MediumFast	2026-03-28 08:41:12 UTC	View
Seri Base d120 (SRB)	-0.591s Before	-108.0 dBm	-8.50 dB	1	`05` ee05	MediumFast	2026-03-28 08:41:12 UTC	View
Seri Base d120 (SRB)	-0.568s Before	-108.0 dBm	-8.50 dB	1	`05` ee05	MediumFast	2026-03-28 08:41:12 UTC	View
Seri Base d120 (SRB)	-0.544s Before	-108.0 dBm	-8.50 dB	1	`05` ee05	MediumFast	2026-03-28 08:41:12 UTC	View
Seri Base d120 (SRB)	-0.520s Before	-108.0 dBm	-8.50 dB	1	`05` ee05	MediumFast	2026-03-28 08:41:12 UTC	View
Seri Base d120 (SRB)	-0.497s Before	-108.0 dBm	-8.50 dB	1	`05` ee05	MediumFast	2026-03-28 08:41:12 UTC	View
Seri Base d120 (SRB)	-0.474s Before	-108.0 dBm	-8.50 dB	1	`05` ee05	MediumFast	2026-03-28 08:41:12 UTC	View
Seri Base d120 (SRB)	-0.453s Before	-108.0 dBm	-8.50 dB	1	`05` ee05	ShortFast	2026-03-28 08:41:12 UTC	View
Seri Base d120 (SRB)	-0.431s Before	-108.0 dBm	-8.50 dB	1	`05` ee05	ShortFast	2026-03-28 08:41:12 UTC	View
Seri Base d120 (SRB)	-0.411s Before	-108.0 dBm	-8.50 dB	1	`05` ee05	ShortFast	2026-03-28 08:41:12 UTC	View
Seri Base d120 (SRB)	-0.388s Before	-108.0 dBm	-8.50 dB	1	`05` ee05	ShortFast	2026-03-28 08:41:12 UTC	View
Seri Base d120 (SRB)	-0.363s Before	-108.0 dBm	-8.50 dB	1	`05` ee05	ShortFast	2026-03-28 08:41:12 UTC	View
Seri Base d120 (SRB)	-0.340s Before	-108.0 dBm	-8.50 dB	1	`05` ee05	ShortFast	2026-03-28 08:41:12 UTC	View
Seri Base d120 (SRB)	-0.316s Before	-108.0 dBm	-8.50 dB	1	`05` ee05	ShortFast	2026-03-28 08:41:12 UTC	View
Seri Base d120 (SRB)	-0.294s Before	-108.0 dBm	-8.50 dB	1	`05` ee05	ShortFast	2026-03-28 08:41:12 UTC	View
Seri Base d120 (SRB)	-0.272s Before	-108.0 dBm	-8.50 dB	1	`05` ee05	ShortFast	2026-03-28 08:41:12 UTC	View
Seri Base d120 (SRB)	-0.250s Before	-108.0 dBm	-8.50 dB	1	`05` ee05	ShortFast	2026-03-28 08:41:12 UTC	View
Seri Base d120 (SRB)	-0.229s Before	-108.0 dBm	-8.50 dB	1	`05` ee05	ShortFast	2026-03-28 08:41:12 UTC	View
Seri Base d120 (SRB)	-0.206s Before	-108.0 dBm	-8.50 dB	1	`05` ee05	ShortTurbo	2026-03-28 08:41:12 UTC	View
Seri Base d120 (SRB)	-0.182s Before	-108.0 dBm	-8.50 dB	1	`05` ee05	ShortTurbo	2026-03-28 08:41:12 UTC	View
Seri Base d120 (SRB)	-0.158s Before	-108.0 dBm	-8.50 dB	1	`05` ee05	ShortTurbo	2026-03-28 08:41:12 UTC	View
Seri Base d120 (SRB)	-0.134s Before	-108.0 dBm	-8.50 dB	1	`05` ee05	ShortTurbo	2026-03-28 08:41:12 UTC	View
Seri Base d120 (SRB)	-0.112s Before	-108.0 dBm	-8.50 dB	1	`05` ee05	ShortTurbo	2026-03-28 08:41:12 UTC	View
Seri Base d120 (SRB)	-0.090s Before	-108.0 dBm	-8.50 dB	1	`05` ee05	ShortTurbo	2026-03-28 08:41:12 UTC	View
Seri Base d120 (SRB)	-0.068s Before	-108.0 dBm	-8.50 dB	1	`05` ee05	ShortTurbo	2026-03-28 08:41:12 UTC	View
Seri Base d120 (SRB)	-0.047s Before	-108.0 dBm	-8.50 dB	1	`05` ee05	ShortTurbo	2026-03-28 08:41:12 UTC	View
Seri Base d120 (SRB)	-0.024s Before	-108.0 dBm	-8.50 dB	1	`05` ee05	ShortTurbo	2026-03-28 08:41:12 UTC	View
Seri Base d120 (SRB)	+0.024s After	-108.0 dBm	-8.50 dB	1	`05` ee05	ShortTurbo	2026-03-28 08:41:12 UTC	View
Seri Base d120 (SRB)	+0.048s After	-108.0 dBm	-8.50 dB	1	`05` ee05	LongFast	2026-03-28 08:41:12 UTC	View

45

Total Receptions

1

Unique Gateways