Packet #18159310 Success

NODEINFO_APP packet from MeshHead 2 (MH2) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	18159310
Mesh Packet ID:	`0xdd045eab` Used for correlation across gateways
Timestamp:	2026-03-28 05:41:08 UTC
From Node:	MeshHead 2 (MH2)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	Seri Base d120 (SRB)
Channel:	LongFast
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:	LongFast
Payload Type:	NODEINFO_APP
Hop Count:	2 / 3

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`	`!16ced120` Node ID format
`channel_id`	`LongFast` Default public channel
`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`	`1774676468.599996` 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:	`!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": "LongFast", "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	LongFast	2026-03-28 05:41:08 UTC	Current
Seri Base d120 (SRB)	-0.125s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	LongFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	-0.098s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	LongFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	-0.074s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	LongFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	-0.045s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	LongFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	-0.021s Before	-56.0 dBm	5.50 dB	2	`10` KWBX	LongFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	+0.020s After	-56.0 dBm	5.50 dB	2	`10` KWBX	LongFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	+0.044s After	-56.0 dBm	5.50 dB	2	`10` KWBX	LongFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	+0.067s After	-56.0 dBm	5.50 dB	2	`10` KWBX	LongFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	+0.090s After	-56.0 dBm	5.50 dB	2	`10` KWBX	LongFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	+0.112s After	-56.0 dBm	5.50 dB	2	`10` KWBX	LongFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	+0.134s After	-56.0 dBm	5.50 dB	2	`10` KWBX	MediumFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	+0.158s After	-56.0 dBm	5.50 dB	2	`10` KWBX	MediumFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	+0.186s After	-56.0 dBm	5.50 dB	2	`10` KWBX	MediumFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	+0.206s After	-56.0 dBm	5.50 dB	2	`10` KWBX	MediumFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	+0.229s After	-56.0 dBm	5.50 dB	2	`10` KWBX	MediumFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	+0.252s After	-56.0 dBm	5.50 dB	2	`10` KWBX	MediumFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	+0.276s After	-56.0 dBm	5.50 dB	2	`10` KWBX	MediumFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	+0.298s After	-56.0 dBm	5.50 dB	2	`10` KWBX	MediumFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	+0.319s After	-56.0 dBm	5.50 dB	2	`10` KWBX	MediumFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	+0.340s After	-56.0 dBm	5.50 dB	2	`10` KWBX	MediumFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	+0.365s After	-56.0 dBm	5.50 dB	2	`10` KWBX	MediumFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	+0.399s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortFast	2026-03-28 05:41:08 UTC	View
Seri Base d120 (SRB)	+0.439s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortFast	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.477s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortFast	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.502s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortFast	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.523s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortFast	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.552s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortFast	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.576s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortFast	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.598s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortFast	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.621s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortFast	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.643s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortFast	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.663s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortFast	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.684s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortTurbo	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.704s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortTurbo	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.726s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortTurbo	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.751s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortTurbo	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.774s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortTurbo	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.796s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortTurbo	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.818s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortTurbo	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.838s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortTurbo	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.859s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortTurbo	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.878s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortTurbo	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.900s After	-56.0 dBm	5.50 dB	2	`10` KWBX	ShortTurbo	2026-03-28 05:41:09 UTC	View
Seri Base d120 (SRB)	+0.923s 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