Packet #17804771 Success

TELEMETRY_APP packet from meshy tama's very excellent mesh node (MTVE) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	17804771
Mesh Packet ID:	`0x99c47179` Used for correlation across gateways
Timestamp:	2026-03-27 10:06:07 UTC
From Node:	meshy tama's very excellent mesh node (MTVE)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	TELEMETRY_APP Port: 67

Gateway:	Seri Base d120 (SRB)
Channel:	MediumFast
RSSI:	-56 dBm
SNR:	6.75 dBm
Hop Info:	0/7 hops Start: 7, Limit: 7
Relay Node:	`e5` MTVE 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: 28 bytes

Decoded: Yes

Decoded Data:

Device Metrics:

Battery:	99%
Voltage:	4.19 V
Channel Usage:	3.1%
Air Util TX:	0.1%

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:	28 bytes
Gateway:	!16ced120
Channel:	MediumFast
Payload Type:	TELEMETRY_APP
Hop Count:	Unknown / 7

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 2 more...

Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 1 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!16ced120` Node ID format
`channel_id`	`MediumFast`
`packet`	`MeshPacket` (28 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`228327141` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`67` TELEMETRY_APP	enum
`decoded.payload_length`	`28` bytes	size
`hop_limit`	`7` Remaining hops allowed	uint32
`hop_start`	`7` Initial hop limit	uint32
`hops_taken`	`0` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-56.0` dBm Signal strength at gateway	int32
`rx_snr`	`6.75` dB Signal quality at gateway	float
`rx_time`	`1774605966` 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`	`229` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1774605967.7900403` 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: MediumFast
✓ Gateway node ID tracked
✓ Zero-hop: direct from source to MQTT gateway

Exposure Risks:

⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!16ced120`
Zero Hop Policy:	Enabled Direct gateway connection
Signal Metrics:	RSSI: -56.0 dBm SNR: 6.75 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	TELEMETRY_APP
Size:	28 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "time": 1774606576, "device_metrics": { "battery_level": 99, "voltage": 4.187, "channel_utilization": 3.1066668, "air_util_tx": 0.10702778, "uptime_seconds": 81076 } }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!16ced120", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 228327141, "to": 4294967295, "id": 2579788153, "rx_time": 1774605966, "rx_snr": 6.75, "rx_rssi": -56, "hop_limit": 7, "hop_start": 7, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 229, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0df058c6691215086315e7fb85401da1d34640256131db3d28b4f904", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1774606576, "device_metrics": { "battery_level": 99, "voltage": 4.187, "channel_utilization": 3.1066668, "air_util_tx": 0.10702778, "uptime_seconds": 81076 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }

Raw Packet Data (28 bytes)

0df058c6691215086315e7fb85401da1d34640256131db3d28b4f904

Hex Analysis:

Size:	28 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
Seri Base d120 (SRB) Primary	0.000s Reference	-56.0 dBm	6.75 dB	0	`e5` MTVE	MediumFast	2026-03-27 10:06:07 UTC	Current
Seri Base d120 (SRB)	-0.309s Before	-56.0 dBm	6.75 dB	0	`e5` MTVE	LongFast	2026-03-27 10:06:07 UTC	View
Seri Base d120 (SRB)	-0.281s Before	-56.0 dBm	6.75 dB	0	`e5` MTVE	LongFast	2026-03-27 10:06:07 UTC	View
Seri Base d120 (SRB)	-0.243s Before	-56.0 dBm	6.75 dB	0	`e5` MTVE	LongFast	2026-03-27 10:06:07 UTC	View
Seri Base d120 (SRB)	-0.216s Before	-56.0 dBm	6.75 dB	0	`e5` MTVE	LongFast	2026-03-27 10:06:07 UTC	View
Seri Base d120 (SRB)	-0.196s Before	-56.0 dBm	6.75 dB	0	`e5` MTVE	LongFast	2026-03-27 10:06:07 UTC	View
Seri Base d120 (SRB)	-0.175s Before	-56.0 dBm	6.75 dB	0	`e5` MTVE	LongFast	2026-03-27 10:06:07 UTC	View
Seri Base d120 (SRB)	-0.154s Before	-56.0 dBm	6.75 dB	0	`e5` MTVE	LongFast	2026-03-27 10:06:07 UTC	View
Seri Base d120 (SRB)	-0.134s Before	-56.0 dBm	6.75 dB	0	`e5` MTVE	LongFast	2026-03-27 10:06:07 UTC	View
Seri Base d120 (SRB)	-0.110s Before	-56.0 dBm	6.75 dB	0	`e5` MTVE	LongFast	2026-03-27 10:06:07 UTC	View
Seri Base d120 (SRB)	-0.087s Before	-56.0 dBm	6.75 dB	0	`e5` MTVE	LongFast	2026-03-27 10:06:07 UTC	View
Seri Base d120 (SRB)	-0.064s Before	-56.0 dBm	6.75 dB	0	`e5` MTVE	LongFast	2026-03-27 10:06:07 UTC	View
Seri Base d120 (SRB)	-0.041s Before	-56.0 dBm	6.75 dB	0	`e5` MTVE	MediumFast	2026-03-27 10:06:07 UTC	View
Seri Base d120 (SRB)	-0.021s Before	-56.0 dBm	6.75 dB	0	`e5` MTVE	MediumFast	2026-03-27 10:06:07 UTC	View
Seri Base d120 (SRB)	+0.021s After	-56.0 dBm	6.75 dB	0	`e5` MTVE	MediumFast	2026-03-27 10:06:07 UTC	View
Seri Base d120 (SRB)	+0.041s After	-56.0 dBm	6.75 dB	0	`e5` MTVE	MediumFast	2026-03-27 10:06:07 UTC	View
Seri Base d120 (SRB)	+0.071s After	-56.0 dBm	6.75 dB	0	`e5` MTVE	MediumFast	2026-03-27 10:06:07 UTC	View
Seri Base d120 (SRB)	+0.094s After	-56.0 dBm	6.75 dB	0	`e5` MTVE	MediumFast	2026-03-27 10:06:07 UTC	View
Seri Base d120 (SRB)	+0.116s After	-56.0 dBm	6.75 dB	0	`e5` MTVE	MediumFast	2026-03-27 10:06:07 UTC	View
Seri Base d120 (SRB)	+0.144s After	-56.0 dBm	6.75 dB	0	`e5` MTVE	MediumFast	2026-03-27 10:06:07 UTC	View
Seri Base d120 (SRB)	+0.165s After	-56.0 dBm	6.75 dB	0	`e5` MTVE	MediumFast	2026-03-27 10:06:07 UTC	View
Seri Base d120 (SRB)	+0.185s After	-56.0 dBm	6.75 dB	0	`e5` MTVE	MediumFast	2026-03-27 10:06:07 UTC	View
Seri Base d120 (SRB)	+0.205s After	-56.0 dBm	6.75 dB	0	`e5` MTVE	ShortFast	2026-03-27 10:06:07 UTC	View
Seri Base d120 (SRB)	+0.226s After	-56.0 dBm	6.75 dB	0	`e5` MTVE	ShortFast	2026-03-27 10:06:08 UTC	View
Seri Base d120 (SRB)	+0.249s After	-56.0 dBm	6.75 dB	0	`e5` MTVE	ShortFast	2026-03-27 10:06:08 UTC	View
Seri Base d120 (SRB)	+0.272s After	-56.0 dBm	6.75 dB	0	`e5` MTVE	ShortFast	2026-03-27 10:06:08 UTC	View
Seri Base d120 (SRB)	+0.294s After	-56.0 dBm	6.75 dB	0	`e5` MTVE	ShortFast	2026-03-27 10:06:08 UTC	View
Seri Base d120 (SRB)	+0.317s After	-56.0 dBm	6.75 dB	0	`e5` MTVE	ShortFast	2026-03-27 10:06:08 UTC	View
Seri Base d120 (SRB)	+0.338s After	-56.0 dBm	6.75 dB	0	`e5` MTVE	ShortFast	2026-03-27 10:06:08 UTC	View
Seri Base d120 (SRB)	+0.359s After	-56.0 dBm	6.75 dB	0	`e5` MTVE	ShortFast	2026-03-27 10:06:08 UTC	View
Seri Base d120 (SRB)	+0.379s After	-56.0 dBm	6.75 dB	0	`e5` MTVE	ShortFast	2026-03-27 10:06:08 UTC	View
Seri Base d120 (SRB)	+0.400s After	-56.0 dBm	6.75 dB	0	`e5` MTVE	ShortFast	2026-03-27 10:06:08 UTC	View
Seri Base d120 (SRB)	+0.423s After	-56.0 dBm	6.75 dB	0	`e5` MTVE	ShortFast	2026-03-27 10:06:08 UTC	View
Seri Base d120 (SRB)	+0.447s After	-56.0 dBm	6.75 dB	0	`e5` MTVE	ShortTurbo	2026-03-27 10:06:08 UTC	View
Seri Base d120 (SRB)	+0.469s After	-56.0 dBm	6.75 dB	0	`e5` MTVE	ShortTurbo	2026-03-27 10:06:08 UTC	View
Seri Base d120 (SRB)	+0.491s After	-56.0 dBm	6.75 dB	0	`e5` MTVE	ShortTurbo	2026-03-27 10:06:08 UTC	View
Seri Base d120 (SRB)	+0.512s After	-56.0 dBm	6.75 dB	0	`e5` MTVE	ShortTurbo	2026-03-27 10:06:08 UTC	View
Seri Base d120 (SRB)	+0.533s After	-56.0 dBm	6.75 dB	0	`e5` MTVE	ShortTurbo	2026-03-27 10:06:08 UTC	View
Seri Base d120 (SRB)	+0.554s After	-56.0 dBm	6.75 dB	0	`e5` MTVE	ShortTurbo	2026-03-27 10:06:08 UTC	View
Seri Base d120 (SRB)	+0.574s After	-56.0 dBm	6.75 dB	0	`e5` MTVE	ShortTurbo	2026-03-27 10:06:08 UTC	View
Seri Base d120 (SRB)	+0.598s After	-56.0 dBm	6.75 dB	0	`e5` MTVE	ShortTurbo	2026-03-27 10:06:08 UTC	View
Seri Base d120 (SRB)	+0.621s After	-56.0 dBm	6.75 dB	0	`e5` MTVE	ShortTurbo	2026-03-27 10:06:08 UTC	View
Seri Base d120 (SRB)	+0.643s After	-56.0 dBm	6.75 dB	0	`e5` MTVE	ShortTurbo	2026-03-27 10:06:08 UTC	View
Seri Base d120 (SRB)	+0.666s After	-56.0 dBm	6.75 dB	0	`e5` MTVE	ShortTurbo	2026-03-27 10:06:08 UTC	View
Seri Base d120 (SRB)	+0.687s After	-56.0 dBm	6.75 dB	0	`e5` MTVE	LongFast	2026-03-27 10:06:08 UTC	View
VE3WNP-12 (WNP)	+2.836s After	-72.0 dBm	7.50 dB	2	`68` WNPr	LongFast	2026-03-27 10:06:10 UTC	View

46

Total Receptions

2

Unique Gateways