Packet #18159333 Success

NODEINFO_APP packet from MeshHead 2 (MH2) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	18159333
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`	`1774676469.1755598` 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)	-0.701s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	LongFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	-0.674s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	LongFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	-0.650s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	LongFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	-0.620s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	LongFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	-0.596s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	LongFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	-0.576s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	LongFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	-0.556s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	LongFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	-0.532s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	LongFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	-0.508s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	LongFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	-0.486s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	LongFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	-0.463s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	LongFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	-0.442s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	MediumFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	-0.418s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	MediumFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	-0.390s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	MediumFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	-0.369s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	MediumFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	-0.346s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	MediumFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	-0.323s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	MediumFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	-0.300s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	MediumFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	-0.277s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	MediumFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	-0.256s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	MediumFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	-0.235s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	MediumFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	-0.211s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	MediumFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	-0.176s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	-0.137s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortFast	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	-0.099s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortFast	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	-0.074s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortFast	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	-0.053s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortFast	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	-0.023s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortFast	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.023s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortFast	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.046s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortFast	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.067s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortFast	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.088s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortFast	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.108s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortTurbo	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.129s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortTurbo	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.151s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortTurbo	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.175s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortTurbo	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.198s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortTurbo	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.220s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortTurbo	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.242s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortTurbo	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.263s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortTurbo	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.283s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortTurbo	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.303s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortTurbo	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.324s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortTurbo	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.347s 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