Packet #5408909 Success

NODEINFO_APP packet from Meshtastic 3ca0 (3ca0) to O1-K-8 (O1-K)

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	5408909
Mesh Packet ID:	`0xbeb45dac` Used for correlation across gateways
Timestamp:	2026-01-10 19:55:21 UTC
From Node:	Meshtastic 3ca0 (3ca0)
To Node:	O1-K-8 (O1-K)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	hmbm (f55c)
Channel:	LongFast
RSSI:	-101 dBm
SNR:	-3.0 dBm
Hop Info:	5/7 hops Start: 7, Limit: 2

Payload Data

Protocol: NODEINFO_APP

Size: 73 bytes

Decoded: Yes

Decoded Data:

Long Name:	Dns_3ca0
Short Name:	3ca0
Node ID:	!02e73ca0
MAC Address:	PA8C5zyg
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:	73 bytes
Gateway:	!9eeff55c
Channel:	LongFast
Payload Type:	NODEINFO_APP
Hop Count:	5 / 7

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`	`!9eeff55c` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (73 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`48708768` Source node ID	uint32
`to`	`861941596` Target node ID	uint32
`decoded.portnum`	`4` NODEINFO_APP	enum
`decoded.payload_length`	`73` bytes	size
`hop_limit`	`2` Remaining hops allowed	uint32
`hop_start`	`7` Initial hop limit	uint32
`hops_taken`	`5` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-101.0` dBm Signal strength at gateway	int32
`rx_snr`	`-3.00` dB Signal quality at gateway	float
`rx_time`	`1768064121` 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`	`248` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1768064121.4096444` 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 (5 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!9eeff55c`
Signal Metrics:	RSSI: -101.0 dBm SNR: -3.00 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	NODEINFO_APP
Size:	73 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "id": "!02e73ca0", "long_name": "Dns_3ca0", "short_name": "3ca0", "macaddr": "PA8C5zyg", "hw_model": "HELTEC_V3" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!9eeff55c", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 48708768, "to": 861941596, "id": 3199491500, "rx_time": 1768064121, "rx_snr": -3.0, "rx_rssi": -101, "hop_limit": 2, "hop_start": 7, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 248, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a092130326537336361301208446e735f336361301a043363613022063c0f02e73ca0282b4220cc20e09785007a12822e0e72c55a300e4e3c13cde6b78e2e9c5aaf30d6aa5c054800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!02e73ca0", "long_name": "Dns_3ca0", "short_name": "3ca0", "macaddr": "PA8C5zyg", "hw_model": "HELTEC_V3", "public_key": "zCDgl4UAehKCLg5yxVowDk48E83mt44unFqvMNaqXAU=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }

Raw Packet Data (73 bytes)

0a092130326537336361301208446e735f336361301a043363613022063c0f02e73ca0282b4220cc20e09785007a12822e0e72c55a300e4e3c13cde6b78e2e9c5aaf30d6aa5c054800

Hex Analysis:

Size:	73 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
hmbm (f55c) Primary	0.000s Reference	-101.0 dBm	-3.00 dB	5	LongFast	2026-01-10 19:55:21	Current
Butyrskaya 868 (But8)	-130.182s Before	-115.0 dBm	-8.25 dB	2	LongFast	2026-01-10 19:53:11	View
Butyrskaya 868 (But8)	-129.908s Before	-115.0 dBm	-8.25 dB	7	LongFast	2026-01-10 19:53:11	View
Zoͦmͫвⷡiͥeͤ [GW8] (🧟)	-125.679s Before	-106.0 dBm	-11.00 dB	3	LongFast	2026-01-10 19:53:15	View
Zoͦmͫвⷡiͥeͤ [GW8] (🧟)	-125.317s Before	-106.0 dBm	-11.00 dB	7	LongFast	2026-01-10 19:53:16	View
SYSXX BGW8 (SXB8)	-94.253s Before	-115.0 dBm	-8.75 dB	5	LongFast	2026-01-10 19:53:47	View
Medved GW8 (MED8)	-94.112s Before	-112.0 dBm	-6.25 dB	5	LongFast	2026-01-10 19:53:47	View
SYSXX YGW8 (SXY8)	-93.997s Before	-96.0 dBm	-4.25 dB	5	LongFast	2026-01-10 19:53:47	View
Koptevo-8-MQTT (BM8M)	-93.942s Before	-121.0 dBm	-18.75 dB	5	LongFast	2026-01-10 19:53:47	View
SYSXX OGW8 (SXG8)	-92.515s Before	-74.0 dBm	6.00 dB	5	LongFast	2026-01-10 19:53:48	View
SYSXX OGW8 (SXG8)	-92.373s Before	-74.0 dBm	6.00 dB	7	LongFast	2026-01-10 19:53:49	View
Tsaritsyno_KB_U_868 (KBU8)	-88.341s Before	-47.0 dBm	7.75 dB	3	LongFast	2026-01-10 19:53:53	View
Tsaritsyno_KB_U_868 (KBU8)	-88.004s Before	-47.0 dBm	7.75 dB	7	LongFast	2026-01-10 19:53:53	View
VEGA 6d78 (VEGA)	-86.009s Before	-97.0 dBm	-12.75 dB	4	LongFast	2026-01-10 19:53:55	View
Zamkad8 (zmkd)	-69.923s Before	-124.0 dBm	-13.50 dB	7	LongFast	2026-01-10 19:54:11	View
Zamkad8 (zmkd)	-69.576s Before	-124.0 dBm	-13.50 dB	7	LongFast	2026-01-10 19:54:11	View
RN3ABX Georgy 2 (ABX2)	-23.242s Before	-113.0 dBm	-2.50 dB	6	LongFast	2026-01-10 19:54:58	View
RN3ABX Georgy 2 (ABX2)	-23.046s Before	-113.0 dBm	-2.50 dB	7	LongFast	2026-01-10 19:54:58	View
Fostral (FSTR)	+0.038s After	-85.0 dBm	-18.50 dB	5	LongFast	2026-01-10 19:55:21	View
hmbm (f55c)	+0.207s After	-101.0 dBm	-3.00 dB	7	LongFast	2026-01-10 19:55:21	View
Aster-02 (AST2)	+1207.296s After	-99.0 dBm	-12.75 dB	6	LongFast	2026-01-10 20:15:28	View
Aster-02 (AST2)	+1207.527s After	-99.0 dBm	-12.75 dB	7	LongFast	2026-01-10 20:15:28	View
ZA_MKAD_22_868_1 (8681)	+1207.625s After	-136.0 dBm	-13.50 dB	6	LongFast	2026-01-10 20:15:29	View
Dragon868-1 (D1)	+1208.292s After	-103.0 dBm	-13.00 dB	6	LongFast	2026-01-10 20:15:29	View
NODE_SOLAR_868 (8682)	+1208.460s After	Unknown	Unknown	7	LongFast	2026-01-10 20:15:29	View
RN3ABX Georgy 2 (ABX2)	+1215.632s After	-98.0 dBm	7.50 dB	7	LongFast	2026-01-10 20:15:37	View
RN3ABX Georgy 2 (ABX2)	+1215.879s After	-98.0 dBm	7.50 dB	7	LongFast	2026-01-10 20:15:37	View

27

Total Receptions

17

Unique Gateways