Packet #5705240 Success

NODEINFO_APP packet from Meshtastic 7a3c (7a3c) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	5705240
Mesh Packet ID:	`0x9b76164c` Used for correlation across gateways
Timestamp:	2026-01-13 02:22:26 UTC
From Node:	Meshtastic 7a3c (7a3c)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	SYSXX YGW8 (SXY8)
Channel:	LongFast
RSSI:	-39 dBm
SNR:	6.0 dBm
Hop Info:	3/7 hops Start: 7, Limit: 4

Payload Data

Protocol: NODEINFO_APP

Size: 82 bytes

Decoded: Yes

Decoded Data:

Long Name:	Meshtastic 7a3c
Short Name:	7a3c
Node ID:	!9e787a3c
MAC Address:	8J6eeHo8
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:	82 bytes
Gateway:	!efffff02
Channel:	LongFast
Payload Type:	NODEINFO_APP
Hop Count:	3 / 7

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`	`!efffff02` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (82 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`2658695740` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`4` NODEINFO_APP	enum
`decoded.payload_length`	`82` bytes	size
`hop_limit`	`4` Remaining hops allowed	uint32
`hop_start`	`7` Initial hop limit	uint32
`hops_taken`	`3` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-39.0` dBm Signal strength at gateway	int32
`rx_snr`	`6.00` dB Signal quality at gateway	float
`rx_time`	`1768260145` 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`	`3` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1768260146.7959225` 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 (3 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!efffff02`
Signal Metrics:	RSSI: -39.0 dBm SNR: 6.00 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	NODEINFO_APP
Size:	82 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "id": "!9e787a3c", "long_name": "Meshtastic 7a3c", "short_name": "7a3c", "macaddr": "8J6eeHo8", "hw_model": "HELTEC_V3" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!efffff02", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2658695740, "to": 4294967295, "id": 2608207436, "rx_time": 1768260145, "rx_snr": 6.0, "rx_rssi": -39, "hop_limit": 4, "hop_start": 7, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 3, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213965373837613363120f4d65736874617374696320376133631a04376133632206f09e9e787a3c282b38014220dae3b9af9eeb7b83623c122588b063b6203f4fbe29b33cc3bf8707f33e110d504800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!9e787a3c", "long_name": "Meshtastic 7a3c", "short_name": "7a3c", "macaddr": "8J6eeHo8", "hw_model": "HELTEC_V3", "role": "CLIENT_MUTE", "public_key": "2uO5r57re4NiPBIliLBjtiA/T74pszzDv4cH8z4RDVA=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }

Raw Packet Data (82 bytes)

0a09213965373837613363120f4d65736874617374696320376133631a04376133632206f09e9e787a3c282b38014220dae3b9af9eeb7b83623c122588b063b6203f4fbe29b33cc3bf8707f33e110d504800

Hex Analysis:

Size:	82 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
SYSXX YGW8 (SXY8) Primary	0.000s Reference	-39.0 dBm	6.00 dB	3	LongFast	2026-01-13 02:22:26	Current
Dragon868-1 (D1)	-16.474s Before	-108.0 dBm	-6.75 dB	1	LongFast	2026-01-13 02:22:10	View
NODE_SOLAR_868 (8682)	-14.526s Before	-104.0 dBm	3.50 dB	2	LongFast	2026-01-13 02:22:12	View
ZA_MKAD_22_868_1 (8681)	-14.446s Before	-109.0 dBm	7.25 dB	2	LongFast	2026-01-13 02:22:12	View
Aster-02 (AST2)	-11.311s Before	-100.0 dBm	-13.50 dB	2	LongFast	2026-01-13 02:22:15	View
SYSXX BGW8 (SXB8)	-7.083s Before	-119.0 dBm	-11.00 dB	2	LongFast	2026-01-13 02:22:19	View
Zoͦmͫвⷡiͥeͤ [GW8] (🧟)	-5.133s Before	-109.0 dBm	-8.25 dB	3	LongFast	2026-01-13 02:22:21	View
HOPS GW (ZER0)	-4.237s Before	-109.0 dBm	-15.50 dB	7	LongFast	2026-01-13 02:22:22	View
SYSXX OGW8 (SXG8)	-3.951s Before	-126.0 dBm	-16.00 dB	2	LongFast	2026-01-13 02:22:22	View
ZAO Price ML 275°-085° 🇷🇺 (PML4)	-0.431s Before	-79.0 dBm	-10.50 dB	3	LongFast	2026-01-13 02:22:26	View
SYSXX BGW4 (SXB4)	+2.818s After	-102.0 dBm	-8.50 dB	4	LongFast	2026-01-13 02:22:29	View
SYSXX BGW4 (SXB4)	+3.036s After	-102.0 dBm	-8.50 dB	7	LongFast	2026-01-13 02:22:29	View
Kedr GW4 1W (KEDR)	+4.643s After	-94.0 dBm	2.50 dB	4	LongFast	2026-01-13 02:22:31	View
Mashino GW4 1W (MSH4)	+4.666s After	-104.0 dBm	-10.50 dB	4	LongFast	2026-01-13 02:22:31	View
patch433 (pth4)	+6.558s After	-50.0 dBm	11.50 dB	5	LongFast	2026-01-13 02:22:33	View
patch433 (pth4)	+6.814s After	-50.0 dBm	11.50 dB	7	LongFast	2026-01-13 02:22:33	View
Medved GW4 (MED4)	+7.475s After	-111.0 dBm	-7.75 dB	5	LongFast	2026-01-13 02:22:34	View
Butyrskaya 868 (But8)	+7.629s After	-118.0 dBm	-11.75 dB	3	LongFast	2026-01-13 02:22:34	View
patch866 (pth8)	+8.626s After	-66.0 dBm	2.25 dB	3	LongFast	2026-01-13 02:22:35	View
Fostral (FSTR)	+13.428s After	-83.0 dBm	-14.00 dB	5	LongFast	2026-01-13 02:22:40	View
EGarpunov 2 868 (Base) (BAO) (EG28)	+13.485s After	-115.0 dBm	-9.50 dB	5	LongFast	2026-01-13 02:22:40	View
EGarpunov 2 868 (Base) (BAO) (EG28)	+13.858s After	-115.0 dBm	-9.50 dB	7	LongFast	2026-01-13 02:22:40	View
BBS Восток (DM📲) (BBSv)	+15.228s After	-47.0 dBm	6.00 dB	6	LongFast	2026-01-13 02:22:42	View
hmbm (f55c)	+16.696s After	-96.0 dBm	3.25 dB	6	LongFast	2026-01-13 02:22:43	View
hmbm (f55c)	+16.881s After	-96.0 dBm	3.25 dB	7	LongFast	2026-01-13 02:22:43	View
Korolyok h0use (K8k*)	+26.531s After	-128.0 dBm	-19.50 dB	7	LongFast	2026-01-13 02:22:53	View
Zamkad8 (zmkd)	+96.859s After	-120.0 dBm	-9.25 dB	5	LongFast	2026-01-13 02:24:03	View

27

Total Receptions

23

Unique Gateways