Packet #18159331 Success

NODEINFO_APP packet from MeshHead 2 (MH2) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	18159331
Mesh Packet ID:	`0xdd045eab` Used for correlation across gateways
Timestamp:	2026-03-28 05:41:09 UTC
From Node:	MeshHead 2 (MH2)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	Seri Base d120 (SRB)
Channel:	ShortFast
RSSI:	-56 dBm
SNR:	5.5 dBm
Hop Info:	2/3 hops Start: 3, Limit: 1
Relay Node:	`10` KWBX 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:	ShortFast
Payload Type:	NODEINFO_APP
Hop Count:	2 / 3

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 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`	`ShortFast`
`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`	`1` Remaining hops allowed	uint32
`hop_start`	`3` Initial hop limit	uint32
`hops_taken`	`2` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-56.0` dBm Signal strength at gateway	int32
`rx_snr`	`5.50` dB Signal quality at gateway	float
`rx_time`	`1774676467` 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`	`16` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1774676469.122636` 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: ShortFast
✓ Gateway node ID tracked

Exposure Risks:

⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (2 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!16ced120`
Signal Metrics:	RSSI: -56.0 dBm SNR: 5.50 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": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2658543920, "to": 4294967295, "id": 3708051115, "rx_time": 1774676467, "rx_snr": 5.5, "rx_rssi": -56, "hop_limit": 1, "hop_start": 3, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 16, "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	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortFast	2026-03-28 05:41:09 UTC	Current
Seri Base d120 (SRB)	-0.648s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	LongFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	-0.621s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	LongFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	-0.597s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	LongFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	-0.567s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	LongFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	-0.543s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	LongFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	-0.523s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	LongFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	-0.503s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	LongFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	-0.479s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	LongFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	-0.455s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	LongFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	-0.433s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	LongFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	-0.410s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	LongFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	-0.389s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	MediumFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	-0.365s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	MediumFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	-0.337s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	MediumFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	-0.317s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	MediumFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	-0.293s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	MediumFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	-0.271s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	MediumFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	-0.247s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	MediumFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	-0.224s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	MediumFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	-0.203s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	MediumFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	-0.182s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	MediumFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	-0.158s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	MediumFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	-0.123s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	-0.084s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortFast	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	-0.046s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortFast	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	-0.021s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortFast	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.030s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortFast	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.053s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortFast	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.076s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortFast	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.099s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortFast	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.120s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortFast	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.141s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortFast	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.161s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortTurbo	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.182s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortTurbo	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.204s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortTurbo	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.228s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortTurbo	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.251s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortTurbo	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.273s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortTurbo	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.295s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortTurbo	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.316s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortTurbo	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.336s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortTurbo	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.356s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortTurbo	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.377s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortTurbo	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.400s After	-56.0 dBm	5.50 dB	2	`10` KWBX	LongFast	2026-03-28 05:41:09 UTC	View

45

Total Receptions

1

Unique Gateways