Packet #5305178 Success

NODEINFO_APP packet from Meshtastic 853c (NWAO) (2p99) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	5305178
Mesh Packet ID:	`0x669d5c22` Used for correlation across gateways
Timestamp:	2026-01-09 23:26:17 UTC
From Node:	Meshtastic 853c (NWAO) (2p99)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	Aster-02 (AST2)
Channel:	LongFast
RSSI:	-90 dBm
SNR:	-4.75 dBm
Hop Info:	7/7 hops Start: 7, Limit: 0

Payload Data

Protocol: NODEINFO_APP

Size: 87 bytes

Decoded: Yes

Decoded Data:

Long Name:	Meshtastic 853c (NWAO)
Short Name:	2p99
Node ID:	!6982853c
MAC Address:	kHBpgoU8
Hardware:	HELTEC_V4

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:	87 bytes
Gateway:	!b2a78a88
Channel:	LongFast
Payload Type:	NODEINFO_APP
Hop Count:	7 / 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`	`!b2a78a88` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (87 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`1770161468` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`4` NODEINFO_APP	enum
`decoded.payload_length`	`87` bytes	size
`hop_limit`	Not set	uint32
`hop_start`	`7` Initial hop limit	uint32
`hops_taken`	`7` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-90.0` dBm Signal strength at gateway	int32
`rx_snr`	`-4.75` dB Signal quality at gateway	float
`rx_time`	`1767990375` 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`	`224` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1767990377.5236983` 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 (7 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!b2a78a88`
Signal Metrics:	RSSI: -90.0 dBm SNR: -4.75 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	NODEINFO_APP
Size:	87 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "id": "!6982853c", "long_name": "Meshtastic 853c (NWAO)", "short_name": "2p99", "macaddr": "kHBpgoU8", "hw_model": "HELTEC_V4" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!b2a78a88", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1770161468, "to": 4294967295, "id": 1721588770, "rx_time": 1767990375, "rx_snr": -4.75, "rx_rssi": -90, "hop_limit": 0, "hop_start": 7, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 224, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a0921363938323835336312164d657368746173746963203835336320284e57414f291a0432703939220690706982853c286e4220f8f0e7e1c4d3b5ab47f55a57887c172f247026fab310f71d8d9109da85ec9b384800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!6982853c", "long_name": "Meshtastic 853c (NWAO)", "short_name": "2p99", "macaddr": "kHBpgoU8", "hw_model": "HELTEC_V4", "public_key": "+PDn4cTTtatH9VpXiHwXLyRwJvqzEPcdjZEJ2oXsmzg=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }

Raw Packet Data (87 bytes)

0a0921363938323835336312164d657368746173746963203835336320284e57414f291a0432703939220690706982853c286e4220f8f0e7e1c4d3b5ab47f55a57887c172f247026fab310f71d8d9109da85ec9b384800

Hex Analysis:

Size:	87 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
Aster-02 (AST2) Primary	0.000s Reference	-90.0 dBm	-4.75 dB	7	LongFast	2026-01-09 23:26:17	Current
HOPS GW (ZER0)	-135.882s Before	-101.0 dBm	-12.25 dB	7	LongFast	2026-01-09 23:24:01	View
Zamkad8 (zmkd)	-125.484s Before	-120.0 dBm	-9.00 dB	4	LongFast	2026-01-09 23:24:12	View
Zamkad8 (zmkd)	-125.122s Before	-120.0 dBm	-9.00 dB	7	LongFast	2026-01-09 23:24:12	View
Butyrskaya 868 (But8)	-85.961s Before	-117.0 dBm	-12.25 dB	5	LongFast	2026-01-09 23:24:51	View
hmbm (f55c)	-79.263s Before	-92.0 dBm	4.25 dB	7	LongFast	2026-01-09 23:24:58	View
hmbm (f55c)	-78.988s Before	-92.0 dBm	4.25 dB	7	LongFast	2026-01-09 23:24:58	View
EGarpunov 2 868 (Base) (BAO) (EG28)	-69.079s Before	-117.0 dBm	-14.75 dB	7	LongFast	2026-01-09 23:25:08	View
EGarpunov 2 868 (Base) (BAO) (EG28)	-68.901s Before	-117.0 dBm	-14.75 dB	7	LongFast	2026-01-09 23:25:08	View
BBS Восток (DM📲) (BBSv)	-7.329s Before	-109.0 dBm	-13.25 dB	6	LongFast	2026-01-09 23:26:10	View
BBS Восток (DM📲) (BBSv)	-7.113s Before	-109.0 dBm	-13.25 dB	7	LongFast	2026-01-09 23:26:10	View
Aster-02 (AST2)	-0.329s Before	-90.0 dBm	-4.75 dB	6	LongFast	2026-01-09 23:26:17	View
RN3ABX Georgy 2 (ABX2)	+13.498s After	-120.0 dBm	-12.25 dB	6	LongFast	2026-01-09 23:26:31	View
RN3ABX Georgy 2 (ABX2)	+13.641s After	-120.0 dBm	-12.25 dB	7	LongFast	2026-01-09 23:26:31	View
SYSXX BGW8 (SXB8)	+16.871s After	-122.0 dBm	-16.00 dB	7	LongFast	2026-01-09 23:26:34	View
SYSXX BGW8 (SXB8)	+17.133s After	-122.0 dBm	-16.00 dB	7	LongFast	2026-01-09 23:26:34	View
SYSXX YGW8 (SXY8)	+17.303s After	-101.0 dBm	-15.75 dB	7	LongFast	2026-01-09 23:26:34	View
SYSXX OGW8 (SXG8)	+18.841s After	-62.0 dBm	6.25 dB	7	LongFast	2026-01-09 23:26:36	View
Fostral (FSTR)	+20.395s After	-45.0 dBm	5.50 dB	7	LongFast	2026-01-09 23:26:37	View
Fostral (FSTR)	+20.641s After	-45.0 dBm	5.50 dB	7	LongFast	2026-01-09 23:26:38	View
Zoͦmͫвⷡiͥeͤ [GW8] (🧟)	+1115.048s After	-108.0 dBm	-8.75 dB	7	LongFast	2026-01-09 23:44:52	View
Zoͦmͫвⷡiͥeͤ [GW8] (🧟)	+1115.479s After	-108.0 dBm	-8.75 dB	7	LongFast	2026-01-09 23:44:53	View

22

Total Receptions

13

Unique Gateways