Packet #39408360 Success

TELEMETRY_APP packet from RackaBicycle (R4BC) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	39408360
Mesh Packet ID:	`0xbd5b87f5` Used for correlation across gateways
Timestamp:	2026-05-16 02:47:48 UTC
From Node:	RackaBicycle (R4BC)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	TELEMETRY_APP Port: 67

Gateway:	DIR Rooftop (DIR)
Channel:	LongFast
RSSI:	-61 dBm
SNR:	5.25 dBm
Hop Info:	2/7 hops Start: 7, Limit: 5
Relay Node:	`e1` DIR2 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:	93%
Voltage:	4.10 V
Air Util TX:	0.0%

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:	LongFast
Payload Type:	TELEMETRY_APP
Hop Count:	2 / 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`	`!6985083c` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (29 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`3676913620` 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`	`5` Remaining hops allowed	uint32
`hop_start`	`7` Initial hop limit	uint32
`hops_taken`	`2` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-61.0` dBm Signal strength at gateway	int32
`rx_snr`	`5.25` dB Signal quality at gateway	float
`rx_time`	`1778899668` 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`	`225` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1778899668.801337` 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 (2 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!6985083c`
Signal Metrics:	RSSI: -61.0 dBm SNR: 5.25 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": 1778899661, "device_metrics": { "battery_level": 93, "voltage": 4.1, "channel_utilization": 0.0, "air_util_tx": 0.044, "uptime_seconds": 19808180 } }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!6985083c", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3676913620, "to": 4294967295, "id": 3176892405, "rx_time": 1778899668, "rx_snr": 5.25, "rx_rssi": -61, "hop_limit": 5, "hop_start": 7, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 225, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0dcdda076a1216085d15333383401d00000000255839343d28b4ffb809", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1778899661, "device_metrics": { "battery_level": 93, "voltage": 4.1, "channel_utilization": 0.0, "air_util_tx": 0.044, "uptime_seconds": 19808180 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }

Raw Packet Data (29 bytes)

0dcdda076a1216085d15333383401d00000000255839343d28b4ffb809

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	-61.0 dBm	5.25 dB	2	`e1` DIR2	LongFast	2026-05-16 02:47:48 UTC	Current
DIR Rooftop (DIR)	-0.285s Before	-61.0 dBm	5.25 dB	2	`e1` DIR2	LongFast	2026-05-16 02:47:48 UTC	View
DIR Rooftop (DIR)	-0.247s Before	-61.0 dBm	5.25 dB	2	`e1` DIR2	LongFast	2026-05-16 02:47:48 UTC	View
DIR Rooftop (DIR)	-0.203s Before	-61.0 dBm	5.25 dB	2	`e1` DIR2	LongFast	2026-05-16 02:47:48 UTC	View
DIR Rooftop (DIR)	-0.162s Before	-61.0 dBm	5.25 dB	2	`e1` DIR2	LongFast	2026-05-16 02:47:48 UTC	View
DIR Rooftop (DIR)	-0.141s Before	-61.0 dBm	5.25 dB	2	`e1` DIR2	LongFast	2026-05-16 02:47:48 UTC	View
DIR Rooftop (DIR)	-0.120s Before	-61.0 dBm	5.25 dB	2	`e1` DIR2	LongFast	2026-05-16 02:47:48 UTC	View
DIR Rooftop (DIR)	-0.098s Before	-61.0 dBm	5.25 dB	2	`e1` DIR2	LongFast	2026-05-16 02:47:48 UTC	View
DIR Rooftop (DIR)	-0.074s Before	-61.0 dBm	5.25 dB	2	`e1` DIR2	LongFast	2026-05-16 02:47:48 UTC	View
DIR Rooftop (DIR)	-0.050s Before	-61.0 dBm	5.25 dB	2	`e1` DIR2	LongFast	2026-05-16 02:47:48 UTC	View
DIR Rooftop (DIR)	-0.025s Before	-61.0 dBm	5.25 dB	2	`e1` DIR2	LongFast	2026-05-16 02:47:48 UTC	View
DIR Rooftop (DIR)	+0.028s After	-61.0 dBm	5.25 dB	2	`e1` DIR2	MediumFast	2026-05-16 02:47:48 UTC	View
DIR Rooftop (DIR)	+0.050s After	-61.0 dBm	5.25 dB	2	`e1` DIR2	MediumFast	2026-05-16 02:47:48 UTC	View
DIR Rooftop (DIR)	+0.078s After	-61.0 dBm	5.25 dB	2	`e1` DIR2	MediumFast	2026-05-16 02:47:48 UTC	View
DIR Rooftop (DIR)	+0.100s After	-61.0 dBm	5.25 dB	2	`e1` DIR2	MediumFast	2026-05-16 02:47:48 UTC	View
DIR Rooftop (DIR)	+0.127s After	-61.0 dBm	5.25 dB	2	`e1` DIR2	MediumFast	2026-05-16 02:47:48 UTC	View
DIR Rooftop (DIR)	+0.164s After	-61.0 dBm	5.25 dB	2	`e1` DIR2	MediumFast	2026-05-16 02:47:48 UTC	View
DIR Rooftop (DIR)	+0.196s After	-61.0 dBm	5.25 dB	2	`e1` DIR2	MediumFast	2026-05-16 02:47:48 UTC	View
DIR Rooftop (DIR)	+0.243s After	-61.0 dBm	5.25 dB	2	`e1` DIR2	MediumFast	2026-05-16 02:47:49 UTC	View
DIR Rooftop (DIR)	+0.284s After	-61.0 dBm	5.25 dB	2	`e1` DIR2	MediumFast	2026-05-16 02:47:49 UTC	View
DIR Rooftop (DIR)	+0.341s After	-61.0 dBm	5.25 dB	2	`e1` DIR2	MediumFast	2026-05-16 02:47:49 UTC	View
DIR Rooftop (DIR)	+0.395s After	-61.0 dBm	5.25 dB	2	`e1` DIR2	MediumFast	2026-05-16 02:47:49 UTC	View
DIR Rooftop (DIR)	+0.429s After	-61.0 dBm	5.25 dB	2	`e1` DIR2	ShortFast	2026-05-16 02:47:49 UTC	View
DIR Rooftop (DIR)	+0.463s After	-61.0 dBm	5.25 dB	2	`e1` DIR2	ShortFast	2026-05-16 02:47:49 UTC	View
DIR Rooftop (DIR)	+0.513s After	-61.0 dBm	5.25 dB	2	`e1` DIR2	ShortFast	2026-05-16 02:47:49 UTC	View
DIR Rooftop (DIR)	+0.537s After	-61.0 dBm	5.25 dB	2	`e1` DIR2	ShortFast	2026-05-16 02:47:49 UTC	View
DIR Rooftop (DIR)	+0.576s After	-61.0 dBm	5.25 dB	2	`e1` DIR2	ShortFast	2026-05-16 02:47:49 UTC	View
DIR Rooftop (DIR)	+0.630s After	-61.0 dBm	5.25 dB	2	`e1` DIR2	ShortFast	2026-05-16 02:47:49 UTC	View
DIR Rooftop (DIR)	+0.651s After	-61.0 dBm	5.25 dB	2	`e1` DIR2	ShortFast	2026-05-16 02:47:49 UTC	View
DIR Rooftop (DIR)	+0.714s After	-61.0 dBm	5.25 dB	2	`e1` DIR2	ShortFast	2026-05-16 02:47:49 UTC	View
DIR Rooftop (DIR)	+0.744s After	-61.0 dBm	5.25 dB	2	`e1` DIR2	ShortFast	2026-05-16 02:47:49 UTC	View
DIR Rooftop (DIR)	+0.796s After	-61.0 dBm	5.25 dB	2	`e1` DIR2	ShortFast	2026-05-16 02:47:49 UTC	View
DIR Rooftop (DIR)	+0.840s After	-61.0 dBm	5.25 dB	2	`e1` DIR2	ShortFast	2026-05-16 02:47:49 UTC	View
DIR Rooftop (DIR)	+0.887s After	-61.0 dBm	5.25 dB	2	`e1` DIR2	ShortTurbo	2026-05-16 02:47:49 UTC	View
DIR Rooftop (DIR)	+0.919s After	-61.0 dBm	5.25 dB	2	`e1` DIR2	ShortTurbo	2026-05-16 02:47:49 UTC	View
DIR Rooftop (DIR)	+0.940s After	-61.0 dBm	5.25 dB	2	`e1` DIR2	ShortTurbo	2026-05-16 02:47:49 UTC	View
DIR Rooftop (DIR)	+0.963s After	-61.0 dBm	5.25 dB	2	`e1` DIR2	ShortTurbo	2026-05-16 02:47:49 UTC	View
DIR Rooftop (DIR)	+0.984s After	-61.0 dBm	5.25 dB	2	`e1` DIR2	ShortTurbo	2026-05-16 02:47:49 UTC	View
DIR Rooftop (DIR)	+1.012s After	-61.0 dBm	5.25 dB	2	`e1` DIR2	ShortTurbo	2026-05-16 02:47:49 UTC	View
DIR Rooftop (DIR)	+1.034s After	-61.0 dBm	5.25 dB	2	`e1` DIR2	ShortTurbo	2026-05-16 02:47:49 UTC	View
DIR Rooftop (DIR)	+1.057s After	-61.0 dBm	5.25 dB	2	`e1` DIR2	ShortTurbo	2026-05-16 02:47:49 UTC	View
DIR Rooftop (DIR)	+1.080s After	-61.0 dBm	5.25 dB	2	`e1` DIR2	ShortTurbo	2026-05-16 02:47:49 UTC	View
DIR Rooftop (DIR)	+1.116s After	-61.0 dBm	5.25 dB	2	`e1` DIR2	ShortTurbo	2026-05-16 02:47:49 UTC	View
DIR Rooftop (DIR)	+1.144s After	-61.0 dBm	5.25 dB	2	`e1` DIR2	ShortTurbo	2026-05-16 02:47:49 UTC	View
DIR Rooftop (DIR)	+1.165s After	-61.0 dBm	5.25 dB	2	`e1` DIR2	LongFast	2026-05-16 02:47:49 UTC	View

45

Total Receptions

1

Unique Gateways