Packet #2090748 Success

NODEINFO_APP packet from Meshtastic 419c (419c) to !681450a3

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	2090748
Mesh Packet ID:	`0x2a8e9a4b` Used for correlation across gateways
Timestamp:	2025-11-14 21:18:06 UTC
From Node:	Meshtastic 419c (419c)
To Node:	!681450a3 (50a3)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	Claudiopolis-440c (440c)
Channel:	LongFast
RSSI:	-93 dBm
SNR:	-6.75 dBm
Hop Info:	4/5 hops Start: 5, Limit: 1
Relay Node:	`28` b028 , 8b28 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:	Meshtastic 419c
Short Name:	419c
Node ID:	!db29419c
MAC Address:	EFHbKUGc
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:	80 bytes
Gateway:	!ba66440c
Channel:	LongFast
Payload Type:	NODEINFO_APP
Hop Count:	4 / 5

Privacy Summary

Exposure Level:
Direct Message

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 1 more...

Exposure Risks:
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
+ 2 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!ba66440c` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (80 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`3676914076` Source node ID	uint32
`to`	`1746161827` Target node ID	uint32
`decoded.portnum`	`4` NODEINFO_APP	enum
`decoded.payload_length`	`80` bytes	size
`hop_limit`	`1` Remaining hops allowed	uint32
`hop_start`	`5` Initial hop limit	uint32
`hops_taken`	`4` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-93.0` dBm Signal strength at gateway	int32
`rx_snr`	`-6.75` dB Signal quality at gateway	float
`rx_time`	`1763155168` 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`	`40` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1763155086.4011319` 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
✓ Gateway node ID tracked

Exposure Risks:

⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (4 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!ba66440c`
Signal Metrics:	RSSI: -93.0 dBm SNR: -6.75 dB

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": "!db29419c", "long_name": "Meshtastic 419c", "short_name": "419c", "macaddr": "EFHbKUGc", "hw_model": "HELTEC_V3" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!ba66440c", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3676914076, "to": 1746161827, "id": 713988683, "rx_time": 1763155168, "rx_snr": -6.75, "rx_rssi": -93, "hop_limit": 1, "hop_start": 5, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 40, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09216462323934313963120f4d65736874617374696320343139631a043431396322061051db29419c282b42207ceaa217be445e6eab4f03d392fe12bdec4d172440916c18a6111965faa30e464800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!db29419c", "long_name": "Meshtastic 419c", "short_name": "419c", "macaddr": "EFHbKUGc", "hw_model": "HELTEC_V3", "public_key": "fOqiF75EXm6rTwPTkv4SvexNFyRAkWwYphEZZfqjDkY=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }

Raw Packet Data (80 bytes)

0a09216462323934313963120f4d65736874617374696320343139631a043431396322061051db29419c282b42207ceaa217be445e6eab4f03d392fe12bdec4d172440916c18a6111965faa30e464800

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
Claudiopolis-440c (440c) Primary	0.000s Reference	-93.0 dBm	-6.75 dB	4	`28` b028 , 8b28	LongFast	2025-11-14 21:18:06 UTC	Current
CBZ0 🚕 mobile (CBZ0)	-24.256s Before	-114.0 dBm	-10.50 dB	1	`06` Kden , JLO2 , RSR1 , AMR1	LongFast	2025-11-14 21:17:42 UTC	View
dkTowerBot (dkTB)	-10.801s Before	-103.0 dBm	-12.00 dB	2	`4c` JLY3 , SST	LongFast	2025-11-14 21:17:55 UTC	View
https://nyme.sh \| Xoder (MERB)	-3.186s Before	-118.0 dBm	-7.25 dB	3	`35` JLX5	LongFast	2025-11-14 21:18:03 UTC	View
K2XAP V4 MS (XAP4)	-2.493s Before	-68.0 dBm	-1.25 dB	3	`c9` Penn	LongFast	2025-11-14 21:18:03 UTC	View
MeshM0xie (M0x)	-2.478s Before	-99.0 dBm	-7.25 dB	3	`c9` Penn	LongFast	2025-11-14 21:18:03 UTC	View
ClaremontWx.net (CmWx)	-2.457s Before	-79.0 dBm	4.00 dB	3	`c9` Penn	LongFast	2025-11-14 21:18:03 UTC	View
DRP1 Chelsea (DRP1)	-2.154s Before	-77.0 dBm	6.75 dB	3	`c9` Penn , JLX3	LongFast	2025-11-14 21:18:04 UTC	View
1 MW 1 West Side \| https://nyme.sh (1MW1)	-1.746s Before	-105.0 dBm	-1.25 dB	3	`c9` Penn	LongFast	2025-11-14 21:18:04 UTC	View
Steiner Studios Tower (SST)	-0.708s Before	-119.0 dBm	-11.75 dB	4	`a8` 24a8	LongFast	2025-11-14 21:18:05 UTC	View
beefy w1 (BFY)	-0.113s Before	-122.0 dBm	-10.75 dB	4	`28`	LongFast	2025-11-14 21:18:06 UTC	View
YMH 2 @ Your Mom’s House (YMH2)	+0.716s After	-64.0 dBm	-2.50 dB	4	`90` NLG1	LongFast	2025-11-14 21:18:07 UTC	View
Meshtastic 631c (631c)	+6.341s After	-99.0 dBm	-8.25 dB	5	`bb` WyCt	LongFast	2025-11-14 21:18:12 UTC	View
aurelia (🧚)	+11.136s After	-111.0 dBm	-5.00 dB	5	-	LongFast	2025-11-14 21:18:17 UTC	View
Gowanus Soda (p1p)	+11.735s After	-101.0 dBm	-2.75 dB	4	`96`	LongFast	2025-11-14 21:18:18 UTC	View
Meshtastic 1ca3 (1ca3)	+11.762s After	-118.0 dBm	-11.00 dB	4	`96`	LongFast	2025-11-14 21:18:18 UTC	View
K2XAP / nyme.sh (XAP)	+26.299s After	-45.0 dBm	6.00 dB	3	`57` CmWx	LongFast	2025-11-14 21:18:32 UTC	View
🐎📨 mobile (📨)	+26.415s After	-119.0 dBm	-15.00 dB	3	`57` CmWx	LongFast	2025-11-14 21:18:32 UTC	View
DRP0 Astoria (DRP0)	+83.916s After	-114.0 dBm	-11.00 dB	4	`b2` 😴 , CBZ1	LongFast	2025-11-14 21:19:30 UTC	View

19

Total Receptions

19

Unique Gateways