Packet #17796486 Success

NODEINFO_APP packet from Seri Base d120 (SRB) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	17796486
Mesh Packet ID:	`0x68f5ef88` Used for correlation across gateways
Timestamp:	2026-03-27 09:39:53 UTC
From Node:	Seri Base d120 (SRB)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	Seri Base d120 (SRB)
Channel:	ShortFast
RSSI:	Unknown
SNR:	Unknown
Hop Info:	0/7 hops Start: 7, Limit: 7
Relay Node:	`20` SRB 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: 80 bytes

Decoded: Yes

Decoded Data:

Long Name:	Seri Base d120
Short Name:	SRB
Node ID:	!16ced120
MAC Address:	mKMWztEg
Hardware:	STATION_G2

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:	80 bytes
Gateway:	!16ced120
Channel:	ShortFast
Payload Type:	NODEINFO_APP
Hop Count:	Unknown / 7

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 2 more...

Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!16ced120` Node ID format
`channel_id`	`ShortFast`
`packet`	`MeshPacket` (80 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`382652704` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`4` NODEINFO_APP	enum
`decoded.payload_length`	`80` bytes	size
`hop_limit`	`7` Remaining hops allowed	uint32
`hop_start`	`7` Initial hop limit	uint32
`hops_taken`	`0` Calculated: hop_start - hop_limit	derived
`rx_rssi`	Not set	int32
`rx_snr`	Not set	float
`rx_time`	`1774604392` Receive timestamp	fixed32
`via_mqtt`	False Direct LoRa transmission	bool
`want_ack`	False No ACK requested	bool
`priority`	`10` Packet priority level	enum
`delayed`	Not set	enum
`channel`	Not set	uint32
`pki_encrypted`	False Standard encryption	bool
`next_hop`	Not set	uint32
`relay_node`	`32` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1774604393.4040928` 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
✓ Zero-hop: direct from source to MQTT gateway

Exposure Risks:

⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers

MQTT-Specific Fields

Gateway ID:	`!16ced120`
Zero Hop Policy:	Enabled Direct gateway connection

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	NODEINFO_APP
Size:	80 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "id": "!16ced120", "long_name": "Seri Base d120", "short_name": "SRB", "macaddr": "mKMWztEg", "hw_model": "STATION_G2" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!16ced120", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 382652704, "to": 4294967295, "id": 1760948104, "rx_time": 1774604392, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 7, "hop_start": 7, "via_mqtt": false, "want_ack": false, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 32, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213136636564313230120e53657269204261736520643132301a03535242220698a316ced120281f380c4220045c0e432238be97101d1bec60f6ac7e67d7efca55b13df53c3eaf05da7211664800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!16ced120", "long_name": "Seri Base d120", "short_name": "SRB", "macaddr": "mKMWztEg", "hw_model": "STATION_G2", "role": "CLIENT_BASE", "public_key": "BFwOQyI4vpcQHRvsYPasfmfX78pVsT31PD6vBdpyEWY=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }

Raw Packet Data (80 bytes)

0a09213136636564313230120e53657269204261736520643132301a03535242220698a316ced120281f380c4220045c0e432238be97101d1bec60f6ac7e67d7efca55b13df53c3eaf05da7211664800

Hex Analysis:

Size:	80 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	Unknown	Unknown	0	`20` SRB	ShortFast	2026-03-27 09:39:53 UTC	Current
Seri Base d120 (SRB)	-0.576s Before	Unknown	Unknown	0	`20` SRB	LongFast	2026-03-27 09:39:52 UTC	View
Seri Base d120 (SRB)	-0.545s Before	Unknown	Unknown	0	`20` SRB	LongFast	2026-03-27 09:39:52 UTC	View
Seri Base d120 (SRB)	-0.520s Before	Unknown	Unknown	0	`20` SRB	LongFast	2026-03-27 09:39:52 UTC	View
Seri Base d120 (SRB)	-0.494s Before	Unknown	Unknown	0	`20` SRB	LongFast	2026-03-27 09:39:52 UTC	View
Seri Base d120 (SRB)	-0.473s Before	Unknown	Unknown	0	`20` SRB	LongFast	2026-03-27 09:39:52 UTC	View
Seri Base d120 (SRB)	-0.451s Before	Unknown	Unknown	0	`20` SRB	LongFast	2026-03-27 09:39:52 UTC	View
Seri Base d120 (SRB)	-0.428s Before	Unknown	Unknown	0	`20` SRB	LongFast	2026-03-27 09:39:52 UTC	View
Seri Base d120 (SRB)	-0.404s Before	Unknown	Unknown	0	`20` SRB	LongFast	2026-03-27 09:39:53 UTC	View
Seri Base d120 (SRB)	-0.380s Before	Unknown	Unknown	0	`20` SRB	LongFast	2026-03-27 09:39:53 UTC	View
Seri Base d120 (SRB)	-0.357s Before	Unknown	Unknown	0	`20` SRB	LongFast	2026-03-27 09:39:53 UTC	View
Seri Base d120 (SRB)	-0.336s Before	Unknown	Unknown	0	`20` SRB	LongFast	2026-03-27 09:39:53 UTC	View
Seri Base d120 (SRB)	-0.314s Before	Unknown	Unknown	0	`20` SRB	MediumFast	2026-03-27 09:39:53 UTC	View
Seri Base d120 (SRB)	-0.293s Before	Unknown	Unknown	0	`20` SRB	MediumFast	2026-03-27 09:39:53 UTC	View
Seri Base d120 (SRB)	-0.272s Before	Unknown	Unknown	0	`20` SRB	MediumFast	2026-03-27 09:39:53 UTC	View
Seri Base d120 (SRB)	-0.248s Before	Unknown	Unknown	0	`20` SRB	MediumFast	2026-03-27 09:39:53 UTC	View
Seri Base d120 (SRB)	-0.215s Before	Unknown	Unknown	0	`20` SRB	MediumFast	2026-03-27 09:39:53 UTC	View
Seri Base d120 (SRB)	-0.192s Before	Unknown	Unknown	0	`20` SRB	MediumFast	2026-03-27 09:39:53 UTC	View
Seri Base d120 (SRB)	-0.169s Before	Unknown	Unknown	0	`20` SRB	MediumFast	2026-03-27 09:39:53 UTC	View
Seri Base d120 (SRB)	-0.148s Before	Unknown	Unknown	0	`20` SRB	MediumFast	2026-03-27 09:39:53 UTC	View
Seri Base d120 (SRB)	-0.125s Before	Unknown	Unknown	0	`20` SRB	MediumFast	2026-03-27 09:39:53 UTC	View
Seri Base d120 (SRB)	-0.104s Before	Unknown	Unknown	0	`20` SRB	MediumFast	2026-03-27 09:39:53 UTC	View
Seri Base d120 (SRB)	-0.075s Before	Unknown	Unknown	0	`20` SRB	MediumFast	2026-03-27 09:39:53 UTC	View
Seri Base d120 (SRB)	-0.051s Before	Unknown	Unknown	0	`20` SRB	ShortFast	2026-03-27 09:39:53 UTC	View
Seri Base d120 (SRB)	-0.022s Before	Unknown	Unknown	0	`20` SRB	ShortFast	2026-03-27 09:39:53 UTC	View
Seri Base d120 (SRB)	+0.023s After	Unknown	Unknown	0	`20` SRB	ShortFast	2026-03-27 09:39:53 UTC	View
Seri Base d120 (SRB)	+0.044s After	Unknown	Unknown	0	`20` SRB	ShortFast	2026-03-27 09:39:53 UTC	View
Seri Base d120 (SRB)	+0.066s After	Unknown	Unknown	0	`20` SRB	ShortFast	2026-03-27 09:39:53 UTC	View
Seri Base d120 (SRB)	+0.087s After	Unknown	Unknown	0	`20` SRB	ShortFast	2026-03-27 09:39:53 UTC	View
Seri Base d120 (SRB)	+0.109s After	Unknown	Unknown	0	`20` SRB	ShortFast	2026-03-27 09:39:53 UTC	View
Seri Base d120 (SRB)	+0.133s After	Unknown	Unknown	0	`20` SRB	ShortFast	2026-03-27 09:39:53 UTC	View
Seri Base d120 (SRB)	+0.157s After	Unknown	Unknown	0	`20` SRB	ShortFast	2026-03-27 09:39:53 UTC	View
Seri Base d120 (SRB)	+0.180s After	Unknown	Unknown	0	`20` SRB	ShortFast	2026-03-27 09:39:53 UTC	View
Seri Base d120 (SRB)	+0.203s After	Unknown	Unknown	0	`20` SRB	ShortTurbo	2026-03-27 09:39:53 UTC	View
Seri Base d120 (SRB)	+0.225s After	Unknown	Unknown	0	`20` SRB	ShortTurbo	2026-03-27 09:39:53 UTC	View
Seri Base d120 (SRB)	+0.246s After	Unknown	Unknown	0	`20` SRB	ShortTurbo	2026-03-27 09:39:53 UTC	View
Seri Base d120 (SRB)	+0.267s After	Unknown	Unknown	0	`20` SRB	ShortTurbo	2026-03-27 09:39:53 UTC	View
Seri Base d120 (SRB)	+0.289s After	Unknown	Unknown	0	`20` SRB	ShortTurbo	2026-03-27 09:39:53 UTC	View
Seri Base d120 (SRB)	+0.312s After	Unknown	Unknown	0	`20` SRB	ShortTurbo	2026-03-27 09:39:53 UTC	View
Seri Base d120 (SRB)	+0.336s After	Unknown	Unknown	0	`20` SRB	ShortTurbo	2026-03-27 09:39:53 UTC	View
Seri Base d120 (SRB)	+0.359s After	Unknown	Unknown	0	`20` SRB	ShortTurbo	2026-03-27 09:39:53 UTC	View
Seri Base d120 (SRB)	+0.382s After	Unknown	Unknown	0	`20` SRB	ShortTurbo	2026-03-27 09:39:53 UTC	View
Seri Base d120 (SRB)	+0.404s After	Unknown	Unknown	0	`20` SRB	ShortTurbo	2026-03-27 09:39:53 UTC	View
Seri Base d120 (SRB)	+0.425s After	Unknown	Unknown	0	`20` SRB	ShortTurbo	2026-03-27 09:39:53 UTC	View
Seri Base d120 (SRB)	+0.446s After	Unknown	Unknown	0	`20` SRB	LongFast	2026-03-27 09:39:53 UTC	View
VE3WNP-12 (WNP)	+3.293s After	-71.0 dBm	7.75 dB	1	`68` WNPr	LongFast	2026-03-27 09:39:56 UTC	View

46

Total Receptions

2

Unique Gateways