Packet #10444112 Success

NODEINFO_APP packet from Sierra norte Madrid ⛰️🗼🌞 (SNM) to Meshtastic 18a4 (18a4)

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	10444112
Mesh Packet ID:	`0x42572314` Used for correlation across gateways
Timestamp:	2025-09-13 17:08:50 UTC
From Node:	Sierra norte Madrid ⛰️🗼🌞 (SNM)
To Node:	Meshtastic 18a4 (18a4)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	Tlgo 📡🌐🔋🔌 (TLG0)
Channel:	MediumSlow
RSSI:	-112 dBm
SNR:	-4.25 dBm
Hop Info:	0/4 hops Start: 4, Limit: 4

Payload Data

Protocol: NODEINFO_APP

Size: 98 bytes

Decoded: Yes

Decoded Data:

Long Name:	Sierra norte Madrid ⛰️🗼🌞
Short Name:	SNM
Node ID:	!43562884
MAC Address:	SMpDViiE
Hardware:	HELTEC_WSL_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:	98 bytes
Gateway:	!da638a24
Channel:	MediumSlow
Payload Type:	NODEINFO_APP
Hop Count:	Unknown / 4

Privacy Summary

Exposure Level:
Direct Message

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 3 more...

Exposure Risks:
⚠ Packet visible to MQTT subscribers
⚠ RF signal metrics exposed (location inference possible)

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!da638a24` Node ID format
`channel_id`	`MediumSlow`
`packet`	`MeshPacket` (98 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`1129719940` Source node ID	uint32
`to`	`3234011300` Target node ID	uint32
`decoded.portnum`	`4` NODEINFO_APP	enum
`decoded.payload_length`	`98` bytes	size
`hop_limit`	`4` Remaining hops allowed	uint32
`hop_start`	`4` Initial hop limit	uint32
`hops_taken`	`0` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-112.0` dBm Signal strength at gateway	int32
`rx_snr`	`-4.25` dB Signal quality at gateway	float
`rx_time`	`1757783329` 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`	Not set	uint32
`tx_after`	Not set	uint32
`timestamp`	`1757783330.9158478` Unix timestamp	uint32

MQTT Privacy & Exposure Analysis

Analysis of privacy features and exposure risks when packet is shared via MQTT

Exposure Level: Direct Message

Privacy Features:

✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
✓ Custom channel: MediumSlow
✓ Gateway node ID tracked
✓ Zero-hop: direct from source to MQTT gateway

Exposure Risks:

⚠ Packet visible to MQTT subscribers
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!da638a24`
Zero Hop Policy:	Enabled Direct gateway connection
Signal Metrics:	RSSI: -112.0 dBm SNR: -4.25 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	NODEINFO_APP
Size:	98 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "id": "!43562884", "long_name": "Sierra norte Madrid ⛰️🗼🌞", "short_name": "SNM", "macaddr": "SMpDViiE", "hw_model": "HELTEC_WSL_V3" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!da638a24", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1129719940, "to": 3234011300, "id": 1113006868, "rx_time": 1757783329, "rx_snr": -4.25, "rx_rssi": -112, "hop_limit": 4, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 0, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a092134333536323838341222536965727261206e6f727465204d616472696420e29bb0efb88ff09f97bcf09f8c9e1a03534e4d220648ca43562884282c380242207e52862e72b32f44af42b528084eefaa0bee58c0c7cbf44107a3ced8bae4c945", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!43562884", "long_name": "Sierra norte Madrid ⛰️🗼🌞", "short_name": "SNM", "macaddr": "SMpDViiE", "hw_model": "HELTEC_WSL_V3", "role": "ROUTER", "public_key": "flKGLnKzL0SvQrUoCE7vqgvuWMDHy/RBB6PO2LrkyUU=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }

Raw Packet Data (98 bytes)

0a092134333536323838341222536965727261206e6f727465204d616472696420e29bb0efb88ff09f97bcf09f8c9e1a03534e4d220648ca43562884282c380242207e52862e72b32f44af42b528084eefaa0bee58c0c7cbf44107a3ced8bae4c945

Hex Analysis:

Size:	98 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	Channel	Timestamp	Actions
Tlgo 📡🌐🔋🔌 (TLG0) Primary	0.000s Reference	-112.0 dBm	-4.25 dB	0	MediumSlow	2025-09-13 17:08:50	Current
GRN1-Base🗼🌐 (GRN1)	+0.003s After	-110.0 dBm	-2.00 dB	0	MediumSlow	2025-09-13 17:08:50	View
Perseo 🗼🌐 (nvm1)	+1.617s After	-99.0 dBm	-5.50 dB	1	MediumSlow	2025-09-13 17:08:52	View
MeshPrepper (MP)	+3.240s After	-122.0 dBm	-14.00 dB	2	MediumSlow	2025-09-13 17:08:54	View
🌐Charly Unid Movil🛰 (C181)	+5.615s After	-41.0 dBm	8.50 dB	3	MediumSlow	2025-09-13 17:08:56	View
Will - Azuqueca (WAzq)	+19.406s After	-101.0 dBm	-9.00 dB	2	MediumSlow	2025-09-13 17:09:10	View
Venturada2🗼🌐☀️ (Vb2)	+19.409s After	-97.0 dBm	-1.50 dB	2	MediumSlow	2025-09-13 17:09:10	View
Mec Rocket Meco (MRM)	+19.418s After	-81.0 dBm	7.25 dB	2	MediumSlow	2025-09-13 17:09:10	View
Glitchs Azuqueca 📡 (GltA)	+19.749s After	-108.0 dBm	2.75 dB	2	MediumSlow	2025-09-13 17:09:10	View
Venturada base🗼🌐 (Vb)	+20.693s After	-115.0 dBm	-5.75 dB	2	MediumSlow	2025-09-13 17:09:11	View
Suop 📡 🌐 (SUOP)	+20.901s After	-112.0 dBm	-4.50 dB	3	MediumSlow	2025-09-13 17:09:11	View
Rodashtastic🗼🌐 (RDSt)	+25.100s After	-112.0 dBm	-4.50 dB	3	MediumSlow	2025-09-13 17:09:16	View
@lazynoda cocidito 🥵 🗼🌐 (LNCM)	+25.117s After	-111.0 dBm	0.75 dB	3	MediumSlow	2025-09-13 17:09:16	View
Meshtastic fbec (fbec)	+25.121s After	-126.0 dBm	-5.75 dB	3	MediumSlow	2025-09-13 17:09:16	View
Ocumare_Home_📱⚡ (RRN)	+26.491s After	-9.0 dBm	8.25 dB	4	MediumSlow	2025-09-13 17:09:17	View
Raor🐟 (PMI)	+145.250s After	-110.0 dBm	-9.00 dB	2	MediumSlow	2025-09-13 17:11:16	View
Raor🐟 (PMI)	+157.264s After	-110.0 dBm	-9.00 dB	2	MediumSlow	2025-09-13 17:11:28	View
Raor🐟 (PMI)	+176.281s After	-110.0 dBm	-9.00 dB	2	MediumSlow	2025-09-13 17:11:47	View
Raor🐟 (PMI)	+198.299s After	-110.0 dBm	-9.00 dB	2	MediumSlow	2025-09-13 17:12:09	View
Raor🐟 (PMI)	+214.306s After	-110.0 dBm	-9.00 dB	2	MediumSlow	2025-09-13 17:12:25	View
Raor🐟 (PMI)	+231.315s After	-110.0 dBm	-9.00 dB	2	MediumSlow	2025-09-13 17:12:42	View
Raor🐟 (PMI)	+252.327s After	-110.0 dBm	-9.00 dB	2	MediumSlow	2025-09-13 17:13:03	View

22

Total Receptions

16

Unique Gateways