Packet #17989536 Success

NODEINFO_APP packet from DroneNode (DrNo) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	17989536
Mesh Packet ID:	`0x38f68dae` Used for correlation across gateways
Timestamp:	2026-03-27 19:53:39 UTC
From Node:	DroneNode (DrNo)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	Seri Base d120 (SRB)
Channel:	LongFast
RSSI:	-105 dBm
SNR:	-3.25 dBm
Hop Info:	2/3 hops Start: 3, Limit: 1
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:	DroneNode
Short Name:	DrNo
Node ID:	!60911219
MAC Address:	ypZgkRIZ
Hardware:	SEEED_WIO_TRACKER_L1

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`	`1620120089` 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`	`-105.0` dBm Signal strength at gateway	int32
`rx_snr`	`-3.25` dB Signal quality at gateway	float
`rx_time`	`1774641218` 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`	`1774641219.6044261` 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: -105.0 dBm SNR: -3.25 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": "!60911219", "long_name": "DroneNode", "short_name": "DrNo", "macaddr": "ypZgkRIZ", "hw_model": "SEEED_WIO_TRACKER_L1" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!16ced120", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1620120089, "to": 4294967295, "id": 955682222, "rx_time": 1774641218, "rx_snr": -3.25, "rx_rssi": -105, "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": 5, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213630393131323139120944726f6e654e6f64651a0444724e6f2206ca96609112192863380c4220d568fa1c4321dc2ade73f9d8d591f7103aab9ad816f944921be35c6b073ecf7e4800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!60911219", "long_name": "DroneNode", "short_name": "DrNo", "macaddr": "ypZgkRIZ", "hw_model": "SEEED_WIO_TRACKER_L1", "role": "CLIENT_BASE", "public_key": "1Wj6HEMh3Crec/nY1ZH3EDqrmtgW+USSG+Ncawc+z34=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }

Raw Packet Data (76 bytes)

0a09213630393131323139120944726f6e654e6f64651a0444724e6f2206ca96609112192863380c4220d568fa1c4321dc2ade73f9d8d591f7103aab9ad816f944921be35c6b073ecf7e4800

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	-105.0 dBm	-3.25 dB	2	`05` ee05	LongFast	2026-03-27 19:53:39 UTC	Current
Seri Base d120 (SRB)	-0.131s Before	-105.0 dBm	-3.25 dB	2	`05` ee05	LongFast	2026-03-27 19:53:39 UTC	View
Seri Base d120 (SRB)	-0.105s Before	-105.0 dBm	-3.25 dB	2	`05` ee05	LongFast	2026-03-27 19:53:39 UTC	View
Seri Base d120 (SRB)	-0.071s Before	-105.0 dBm	-3.25 dB	2	`05` ee05	LongFast	2026-03-27 19:53:39 UTC	View
Seri Base d120 (SRB)	-0.047s Before	-105.0 dBm	-3.25 dB	2	`05` ee05	LongFast	2026-03-27 19:53:39 UTC	View
Seri Base d120 (SRB)	-0.023s Before	-105.0 dBm	-3.25 dB	2	`05` ee05	LongFast	2026-03-27 19:53:39 UTC	View
Seri Base d120 (SRB)	+0.023s After	-105.0 dBm	-3.25 dB	2	`05` ee05	LongFast	2026-03-27 19:53:39 UTC	View
Seri Base d120 (SRB)	+0.044s After	-105.0 dBm	-3.25 dB	2	`05` ee05	LongFast	2026-03-27 19:53:39 UTC	View
Seri Base d120 (SRB)	+0.065s After	-105.0 dBm	-3.25 dB	2	`05` ee05	LongFast	2026-03-27 19:53:39 UTC	View
Seri Base d120 (SRB)	+0.085s After	-105.0 dBm	-3.25 dB	2	`05` ee05	LongFast	2026-03-27 19:53:39 UTC	View
Seri Base d120 (SRB)	+0.106s After	-105.0 dBm	-3.25 dB	2	`05` ee05	LongFast	2026-03-27 19:53:39 UTC	View
Seri Base d120 (SRB)	+0.131s After	-105.0 dBm	-3.25 dB	2	`05` ee05	MediumFast	2026-03-27 19:53:39 UTC	View
Seri Base d120 (SRB)	+0.155s After	-105.0 dBm	-3.25 dB	2	`05` ee05	MediumFast	2026-03-27 19:53:39 UTC	View
Seri Base d120 (SRB)	+0.178s After	-105.0 dBm	-3.25 dB	2	`05` ee05	MediumFast	2026-03-27 19:53:39 UTC	View
Seri Base d120 (SRB)	+0.201s After	-105.0 dBm	-3.25 dB	2	`05` ee05	MediumFast	2026-03-27 19:53:39 UTC	View
Seri Base d120 (SRB)	+0.223s After	-105.0 dBm	-3.25 dB	2	`05` ee05	MediumFast	2026-03-27 19:53:39 UTC	View
Seri Base d120 (SRB)	+0.244s After	-105.0 dBm	-3.25 dB	2	`05` ee05	MediumFast	2026-03-27 19:53:39 UTC	View
Seri Base d120 (SRB)	+0.265s After	-105.0 dBm	-3.25 dB	2	`05` ee05	MediumFast	2026-03-27 19:53:39 UTC	View
Seri Base d120 (SRB)	+0.286s After	-105.0 dBm	-3.25 dB	2	`05` ee05	MediumFast	2026-03-27 19:53:39 UTC	View
Seri Base d120 (SRB)	+0.310s After	-105.0 dBm	-3.25 dB	2	`05` ee05	MediumFast	2026-03-27 19:53:39 UTC	View
Seri Base d120 (SRB)	+0.335s After	-105.0 dBm	-3.25 dB	2	`05` ee05	MediumFast	2026-03-27 19:53:39 UTC	View
Seri Base d120 (SRB)	+0.358s After	-105.0 dBm	-3.25 dB	2	`05` ee05	MediumFast	2026-03-27 19:53:39 UTC	View
Seri Base d120 (SRB)	+0.382s After	-105.0 dBm	-3.25 dB	2	`05` ee05	ShortFast	2026-03-27 19:53:39 UTC	View
Seri Base d120 (SRB)	+0.403s After	-105.0 dBm	-3.25 dB	2	`05` ee05	ShortFast	2026-03-27 19:53:40 UTC	View
Seri Base d120 (SRB)	+0.424s After	-105.0 dBm	-3.25 dB	2	`05` ee05	ShortFast	2026-03-27 19:53:40 UTC	View
Seri Base d120 (SRB)	+0.446s After	-105.0 dBm	-3.25 dB	2	`05` ee05	ShortFast	2026-03-27 19:53:40 UTC	View
Seri Base d120 (SRB)	+0.467s After	-105.0 dBm	-3.25 dB	2	`05` ee05	ShortFast	2026-03-27 19:53:40 UTC	View
Seri Base d120 (SRB)	+0.491s After	-105.0 dBm	-3.25 dB	2	`05` ee05	ShortFast	2026-03-27 19:53:40 UTC	View
Seri Base d120 (SRB)	+0.514s After	-105.0 dBm	-3.25 dB	2	`05` ee05	ShortFast	2026-03-27 19:53:40 UTC	View
Seri Base d120 (SRB)	+0.538s After	-105.0 dBm	-3.25 dB	2	`05` ee05	ShortFast	2026-03-27 19:53:40 UTC	View
Seri Base d120 (SRB)	+0.562s After	-105.0 dBm	-3.25 dB	2	`05` ee05	ShortFast	2026-03-27 19:53:40 UTC	View
Seri Base d120 (SRB)	+0.583s After	-105.0 dBm	-3.25 dB	2	`05` ee05	ShortFast	2026-03-27 19:53:40 UTC	View
Seri Base d120 (SRB)	+0.604s After	-105.0 dBm	-3.25 dB	2	`05` ee05	ShortFast	2026-03-27 19:53:40 UTC	View
Seri Base d120 (SRB)	+0.625s After	-105.0 dBm	-3.25 dB	2	`05` ee05	ShortTurbo	2026-03-27 19:53:40 UTC	View
Seri Base d120 (SRB)	+0.646s After	-105.0 dBm	-3.25 dB	2	`05` ee05	ShortTurbo	2026-03-27 19:53:40 UTC	View
Seri Base d120 (SRB)	+0.670s After	-105.0 dBm	-3.25 dB	2	`05` ee05	ShortTurbo	2026-03-27 19:53:40 UTC	View
Seri Base d120 (SRB)	+0.694s After	-105.0 dBm	-3.25 dB	2	`05` ee05	ShortTurbo	2026-03-27 19:53:40 UTC	View
Seri Base d120 (SRB)	+0.718s After	-105.0 dBm	-3.25 dB	2	`05` ee05	ShortTurbo	2026-03-27 19:53:40 UTC	View
Seri Base d120 (SRB)	+0.741s After	-105.0 dBm	-3.25 dB	2	`05` ee05	ShortTurbo	2026-03-27 19:53:40 UTC	View
Seri Base d120 (SRB)	+0.762s After	-105.0 dBm	-3.25 dB	2	`05` ee05	ShortTurbo	2026-03-27 19:53:40 UTC	View
Seri Base d120 (SRB)	+0.783s After	-105.0 dBm	-3.25 dB	2	`05` ee05	ShortTurbo	2026-03-27 19:53:40 UTC	View
Seri Base d120 (SRB)	+0.805s After	-105.0 dBm	-3.25 dB	2	`05` ee05	ShortTurbo	2026-03-27 19:53:40 UTC	View
Seri Base d120 (SRB)	+0.826s After	-105.0 dBm	-3.25 dB	2	`05` ee05	ShortTurbo	2026-03-27 19:53:40 UTC	View
Seri Base d120 (SRB)	+0.850s After	-105.0 dBm	-3.25 dB	2	`05` ee05	ShortTurbo	2026-03-27 19:53:40 UTC	View
Seri Base d120 (SRB)	+0.874s After	-105.0 dBm	-3.25 dB	2	`05` ee05	LongFast	2026-03-27 19:53:40 UTC	View

45

Total Receptions

1

Unique Gateways