Packet #39588671 Success

TELEMETRY_APP packet from SuitMechanics - t.me/meshtasticmtl (c479) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	39588671
Mesh Packet ID:	`0x17171bb3` Used for correlation across gateways
Timestamp:	2026-05-16 13:06:27 UTC
From Node:	SuitMechanics - t.me/meshtasticmtl (c479)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	TELEMETRY_APP Port: 67

Gateway:	DIR Rooftop (DIR)
Channel:	ShortFast
RSSI:	-91 dBm
SNR:	-8.0 dBm
Hop Info:	4/7 hops Start: 7, Limit: 3
Relay Node:	`a8` id01 Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions

Payload Data

Protocol: TELEMETRY_APP

Size: 29 bytes

Decoded: Yes

Decoded Data:

Device Metrics:

Battery:	101%
Voltage:	4.25 V
Channel Usage:	24.3%
Air Util TX:	1.7%

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:	29 bytes
Gateway:	!6985083c
Channel:	ShortFast
Payload Type:	TELEMETRY_APP
Hop Count:	4 / 7

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 1 more...

Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 2 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!6985083c` Node ID format
`channel_id`	`ShortFast`
`packet`	`MeshPacket` (29 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`3121379268` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`67` TELEMETRY_APP	enum
`decoded.payload_length`	`29` bytes	size
`hop_limit`	`3` Remaining hops allowed	uint32
`hop_start`	`7` Initial hop limit	uint32
`hops_taken`	`4` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-91.0` dBm Signal strength at gateway	int32
`rx_snr`	`-8.00` dB Signal quality at gateway	float
`rx_time`	`1778936786` 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`	`168` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1778936787.4479058` 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)
✓ Custom channel: ShortFast
✓ Gateway node ID tracked

Exposure Risks:

⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (4 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!6985083c`
Signal Metrics:	RSSI: -91.0 dBm SNR: -8.00 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	TELEMETRY_APP
Size:	29 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "time": 1778936764, "device_metrics": { "battery_level": 101, "voltage": 4.25, "channel_utilization": 24.271667, "air_util_tx": 1.72475, "uptime_seconds": 3350468 } }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!6985083c", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3121379268, "to": 4294967295, "id": 387390387, "rx_time": 1778936786, "rx_snr": -8.0, "rx_rssi": -91, "hop_limit": 3, "hop_start": 7, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 168, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0dbc6b086a1216086515000088401d602cc241259cc4dc3f28c4bfcc01", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1778936764, "device_metrics": { "battery_level": 101, "voltage": 4.25, "channel_utilization": 24.271667, "air_util_tx": 1.72475, "uptime_seconds": 3350468 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }

Raw Packet Data (29 bytes)

0dbc6b086a1216086515000088401d602cc241259cc4dc3f28c4bfcc01

Hex Analysis:

Size:	29 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
DIR Rooftop (DIR) Primary	0.000s Reference	-91.0 dBm	-8.00 dB	4	`a8` id01	ShortFast	2026-05-16 13:06:27 UTC	Current
DIR Rooftop (DIR)	-0.718s Before	-91.0 dBm	-8.00 dB	4	`a8` id01	LongFast	2026-05-16 13:06:26 UTC	View
DIR Rooftop (DIR)	-0.697s Before	-91.0 dBm	-8.00 dB	4	`a8` id01	LongFast	2026-05-16 13:06:26 UTC	View
DIR Rooftop (DIR)	-0.677s Before	-91.0 dBm	-8.00 dB	4	`a8` id01	LongFast	2026-05-16 13:06:26 UTC	View
DIR Rooftop (DIR)	-0.656s Before	-91.0 dBm	-8.00 dB	4	`a8` id01	LongFast	2026-05-16 13:06:26 UTC	View
DIR Rooftop (DIR)	-0.633s Before	-91.0 dBm	-8.00 dB	4	`a8` id01	LongFast	2026-05-16 13:06:26 UTC	View
DIR Rooftop (DIR)	-0.609s Before	-91.0 dBm	-8.00 dB	4	`a8` id01	LongFast	2026-05-16 13:06:26 UTC	View
DIR Rooftop (DIR)	-0.586s Before	-91.0 dBm	-8.00 dB	4	`a8` id01	LongFast	2026-05-16 13:06:26 UTC	View
DIR Rooftop (DIR)	-0.562s Before	-91.0 dBm	-8.00 dB	4	`a8` id01	LongFast	2026-05-16 13:06:26 UTC	View
DIR Rooftop (DIR)	-0.540s Before	-91.0 dBm	-8.00 dB	4	`a8` id01	LongFast	2026-05-16 13:06:26 UTC	View
DIR Rooftop (DIR)	-0.515s Before	-91.0 dBm	-8.00 dB	4	`a8` id01	LongFast	2026-05-16 13:06:26 UTC	View
DIR Rooftop (DIR)	-0.493s Before	-91.0 dBm	-8.00 dB	4	`a8` id01	LongFast	2026-05-16 13:06:26 UTC	View
DIR Rooftop (DIR)	-0.472s Before	-91.0 dBm	-8.00 dB	4	`a8` id01	MediumFast	2026-05-16 13:06:26 UTC	View
DIR Rooftop (DIR)	-0.449s Before	-91.0 dBm	-8.00 dB	4	`a8` id01	MediumFast	2026-05-16 13:06:26 UTC	View
DIR Rooftop (DIR)	-0.426s Before	-91.0 dBm	-8.00 dB	4	`a8` id01	MediumFast	2026-05-16 13:06:27 UTC	View
DIR Rooftop (DIR)	-0.402s Before	-91.0 dBm	-8.00 dB	4	`a8` id01	MediumFast	2026-05-16 13:06:27 UTC	View
DIR Rooftop (DIR)	-0.378s Before	-91.0 dBm	-8.00 dB	4	`a8` id01	MediumFast	2026-05-16 13:06:27 UTC	View
DIR Rooftop (DIR)	-0.356s Before	-91.0 dBm	-8.00 dB	4	`a8` id01	MediumFast	2026-05-16 13:06:27 UTC	View
DIR Rooftop (DIR)	-0.335s Before	-91.0 dBm	-8.00 dB	4	`a8` id01	MediumFast	2026-05-16 13:06:27 UTC	View
DIR Rooftop (DIR)	-0.315s Before	-91.0 dBm	-8.00 dB	4	`a8` id01	MediumFast	2026-05-16 13:06:27 UTC	View
DIR Rooftop (DIR)	-0.294s Before	-91.0 dBm	-8.00 dB	4	`a8` id01	MediumFast	2026-05-16 13:06:27 UTC	View
DIR Rooftop (DIR)	-0.272s Before	-91.0 dBm	-8.00 dB	4	`a8` id01	MediumFast	2026-05-16 13:06:27 UTC	View
DIR Rooftop (DIR)	-0.249s Before	-91.0 dBm	-8.00 dB	4	`a8` id01	MediumFast	2026-05-16 13:06:27 UTC	View
DIR Rooftop (DIR)	-0.225s Before	-91.0 dBm	-8.00 dB	4	`a8` id01	ShortFast	2026-05-16 13:06:27 UTC	View
DIR Rooftop (DIR)	-0.202s Before	-91.0 dBm	-8.00 dB	4	`a8` id01	ShortFast	2026-05-16 13:06:27 UTC	View
DIR Rooftop (DIR)	-0.179s Before	-91.0 dBm	-8.00 dB	4	`a8` id01	ShortFast	2026-05-16 13:06:27 UTC	View
DIR Rooftop (DIR)	-0.158s Before	-91.0 dBm	-8.00 dB	4	`a8` id01	ShortFast	2026-05-16 13:06:27 UTC	View
DIR Rooftop (DIR)	-0.136s Before	-91.0 dBm	-8.00 dB	4	`a8` id01	ShortFast	2026-05-16 13:06:27 UTC	View
DIR Rooftop (DIR)	-0.115s Before	-91.0 dBm	-8.00 dB	4	`a8` id01	ShortFast	2026-05-16 13:06:27 UTC	View
DIR Rooftop (DIR)	-0.093s Before	-91.0 dBm	-8.00 dB	4	`a8` id01	ShortFast	2026-05-16 13:06:27 UTC	View
DIR Rooftop (DIR)	-0.069s Before	-91.0 dBm	-8.00 dB	4	`a8` id01	ShortFast	2026-05-16 13:06:27 UTC	View
DIR Rooftop (DIR)	-0.046s Before	-91.0 dBm	-8.00 dB	4	`a8` id01	ShortFast	2026-05-16 13:06:27 UTC	View
DIR Rooftop (DIR)	-0.023s Before	-91.0 dBm	-8.00 dB	4	`a8` id01	ShortFast	2026-05-16 13:06:27 UTC	View
DIR Rooftop (DIR)	+0.021s After	-91.0 dBm	-8.00 dB	4	`a8` id01	ShortTurbo	2026-05-16 13:06:27 UTC	View
DIR Rooftop (DIR)	+0.042s After	-91.0 dBm	-8.00 dB	4	`a8` id01	ShortTurbo	2026-05-16 13:06:27 UTC	View
DIR Rooftop (DIR)	+0.063s After	-91.0 dBm	-8.00 dB	4	`a8` id01	ShortTurbo	2026-05-16 13:06:27 UTC	View
DIR Rooftop (DIR)	+0.087s After	-91.0 dBm	-8.00 dB	4	`a8` id01	ShortTurbo	2026-05-16 13:06:27 UTC	View
DIR Rooftop (DIR)	+0.111s After	-91.0 dBm	-8.00 dB	4	`a8` id01	ShortTurbo	2026-05-16 13:06:27 UTC	View
DIR Rooftop (DIR)	+0.134s After	-91.0 dBm	-8.00 dB	4	`a8` id01	ShortTurbo	2026-05-16 13:06:27 UTC	View
DIR Rooftop (DIR)	+0.157s After	-91.0 dBm	-8.00 dB	4	`a8` id01	ShortTurbo	2026-05-16 13:06:27 UTC	View
DIR Rooftop (DIR)	+0.179s After	-91.0 dBm	-8.00 dB	4	`a8` id01	ShortTurbo	2026-05-16 13:06:27 UTC	View
DIR Rooftop (DIR)	+0.201s After	-91.0 dBm	-8.00 dB	4	`a8` id01	ShortTurbo	2026-05-16 13:06:27 UTC	View
DIR Rooftop (DIR)	+0.223s After	-91.0 dBm	-8.00 dB	4	`a8` id01	ShortTurbo	2026-05-16 13:06:27 UTC	View
DIR Rooftop (DIR)	+0.244s After	-91.0 dBm	-8.00 dB	4	`a8` id01	ShortTurbo	2026-05-16 13:06:27 UTC	View
DIR Rooftop (DIR)	+0.266s After	-91.0 dBm	-8.00 dB	4	`a8` id01	LongFast	2026-05-16 13:06:27 UTC	View

45

Total Receptions

1

Unique Gateways