Packet #39413588 Success

NODEINFO_APP packet from Midtown Base (MTBA) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	39413588
Mesh Packet ID:	`0x09f7db10` Used for correlation across gateways
Timestamp:	2026-05-16 03:10:37 UTC
From Node:	Midtown Base (MTBA)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	NODEINFO_APP Port: 4

Gateway:	TINKERBELL L20/USON mt.gt 6358 (TINK)
Channel:	LongFast
RSSI:	-119 dBm
SNR:	-7.75 dBm
Hop Info:	2/7 hops Start: 7, Limit: 5
Relay Node:	`f1` Last byte of the last hop that relayed this packet

Payload Data

Protocol: NODEINFO_APP

Size: 77 bytes

Decoded: Yes

Decoded Data:

Long Name:	Midtown Base
Short Name:	MTBA
Node ID:	!435adfcc
MAC Address:	SMpDWt/M
Hardware:	LILYGO_TBEAM_S3_CORE

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:	77 bytes
Gateway:	!433a6358
Channel:	LongFast
Payload Type:	NODEINFO_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`	`!433a6358` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (77 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`1130029004` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`4` NODEINFO_APP	enum
`decoded.payload_length`	`77` 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`	`-119.0` dBm Signal strength at gateway	int32
`rx_snr`	`-7.75` dB Signal quality at gateway	float
`rx_time`	`1778901035` 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`	`241` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1778901037.3923447` 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:	`!433a6358`
Signal Metrics:	RSSI: -119.0 dBm SNR: -7.75 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	NODEINFO_APP
Size:	77 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "id": "!435adfcc", "long_name": "Midtown Base", "short_name": "MTBA", "macaddr": "SMpDWt/M", "hw_model": "LILYGO_TBEAM_S3_CORE" }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!433a6358", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1130029004, "to": 4294967295, "id": 167238416, "rx_time": 1778901035, "rx_snr": -7.75, "rx_rssi": -119, "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": 241, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213433356164666363120c4d6964746f776e20426173651a044d544241220648ca435adfcc280c4220f7296d660d3e7a7df54b2a55b29de9e88421a1ceaaac154526e330981e215a324800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!435adfcc", "long_name": "Midtown Base", "short_name": "MTBA", "macaddr": "SMpDWt/M", "hw_model": "LILYGO_TBEAM_S3_CORE", "public_key": "9yltZg0+en31SypVsp3p6IQhoc6qrBVFJuMwmB4hWjI=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }

Raw Packet Data (77 bytes)

0a09213433356164666363120c4d6964746f776e20426173651a044d544241220648ca435adfcc280c4220f7296d660d3e7a7df54b2a55b29de9e88421a1ceaaac154526e330981e215a324800

Hex Analysis:

Size:	77 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
TINKERBELL L20/USON mt.gt 6358 (TINK) Primary	0.000s Reference	-119.0 dBm	-7.75 dB	2	`f1`	LongFast	2026-05-16 03:10:37 UTC	Current
TINKERBELL L20/USON mt.gt 6358 (TINK)	-0.064s Before	-119.0 dBm	-7.75 dB	2	`f1`	LongFast	2026-05-16 03:10:37 UTC	View
TINKERBELL L20/USON mt.gt 6358 (TINK)	+0.044s After	-119.0 dBm	-7.75 dB	2	`f1`	LongFast	2026-05-16 03:10:37 UTC	View
TINKERBELL L20/USON mt.gt 6358 (TINK)	+0.065s After	-119.0 dBm	-7.75 dB	2	`f1`	LongFast	2026-05-16 03:10:37 UTC	View
TINKERBELL L20/USON mt.gt 6358 (TINK)	+0.088s After	-119.0 dBm	-7.75 dB	2	`f1`	LongFast	2026-05-16 03:10:37 UTC	View
AH001 (0d74)	+0.109s After	-120.0 dBm	-13.00 dB	2	`f1`	LongFast	2026-05-16 03:10:37 UTC	View
TINKERBELL L20/USON mt.gt 6358 (TINK)	+0.130s After	-119.0 dBm	-7.75 dB	2	`f1`	LongFast	2026-05-16 03:10:37 UTC	View
TINKERBELL L20/USON mt.gt 6358 (TINK)	+0.154s After	-119.0 dBm	-7.75 dB	2	`f1`	LongFast	2026-05-16 03:10:37 UTC	View
TINKERBELL L20/USON mt.gt 6358 (TINK)	+0.186s After	-119.0 dBm	-7.75 dB	2	`f1`	LongFast	2026-05-16 03:10:37 UTC	View
TINKERBELL L20/USON mt.gt 6358 (TINK)	+0.208s After	-119.0 dBm	-7.75 dB	2	`f1`	LongFast	2026-05-16 03:10:37 UTC	View
TINKERBELL L20/USON mt.gt 6358 (TINK)	+0.232s After	-119.0 dBm	-7.75 dB	2	`f1`	LongFast	2026-05-16 03:10:37 UTC	View
TINKERBELL L20/USON mt.gt 6358 (TINK)	+0.253s After	-119.0 dBm	-7.75 dB	2	`f1`	LongFast	2026-05-16 03:10:37 UTC	View
TINKERBELL L20/USON mt.gt 6358 (TINK)	+0.273s After	-119.0 dBm	-7.75 dB	2	`f1`	MediumFast	2026-05-16 03:10:37 UTC	View
TINKERBELL L20/USON mt.gt 6358 (TINK)	+0.294s After	-119.0 dBm	-7.75 dB	2	`f1`	MediumFast	2026-05-16 03:10:37 UTC	View
TINKERBELL L20/USON mt.gt 6358 (TINK)	+0.316s After	-119.0 dBm	-7.75 dB	2	`f1`	MediumFast	2026-05-16 03:10:37 UTC	View
TINKERBELL L20/USON mt.gt 6358 (TINK)	+0.339s After	-119.0 dBm	-7.75 dB	2	`f1`	MediumFast	2026-05-16 03:10:37 UTC	View
TINKERBELL L20/USON mt.gt 6358 (TINK)	+0.363s After	-119.0 dBm	-7.75 dB	2	`f1`	MediumFast	2026-05-16 03:10:37 UTC	View
TINKERBELL L20/USON mt.gt 6358 (TINK)	+0.388s After	-119.0 dBm	-7.75 dB	2	`f1`	MediumFast	2026-05-16 03:10:37 UTC	View
TINKERBELL L20/USON mt.gt 6358 (TINK)	+0.415s After	-119.0 dBm	-7.75 dB	2	`f1`	MediumFast	2026-05-16 03:10:37 UTC	View
TINKERBELL L20/USON mt.gt 6358 (TINK)	+0.447s After	-119.0 dBm	-7.75 dB	2	`f1`	MediumFast	2026-05-16 03:10:37 UTC	View
TINKERBELL L20/USON mt.gt 6358 (TINK)	+0.469s After	-119.0 dBm	-7.75 dB	2	`f1`	MediumFast	2026-05-16 03:10:37 UTC	View
TINKERBELL L20/USON mt.gt 6358 (TINK)	+0.492s After	-119.0 dBm	-7.75 dB	2	`f1`	MediumFast	2026-05-16 03:10:37 UTC	View
TINKERBELL L20/USON mt.gt 6358 (TINK)	+0.515s After	-119.0 dBm	-7.75 dB	2	`f1`	MediumFast	2026-05-16 03:10:37 UTC	View
TINKERBELL L20/USON mt.gt 6358 (TINK)	+0.541s After	-119.0 dBm	-7.75 dB	2	`f1`	ShortFast	2026-05-16 03:10:37 UTC	View
TINKERBELL L20/USON mt.gt 6358 (TINK)	+0.566s After	-119.0 dBm	-7.75 dB	2	`f1`	ShortFast	2026-05-16 03:10:37 UTC	View
TINKERBELL L20/USON mt.gt 6358 (TINK)	+0.590s After	-119.0 dBm	-7.75 dB	2	`f1`	ShortFast	2026-05-16 03:10:37 UTC	View
TINKERBELL L20/USON mt.gt 6358 (TINK)	+0.624s After	-119.0 dBm	-7.75 dB	2	`f1`	ShortFast	2026-05-16 03:10:38 UTC	View
TINKERBELL L20/USON mt.gt 6358 (TINK)	+0.646s After	-119.0 dBm	-7.75 dB	2	`f1`	ShortFast	2026-05-16 03:10:38 UTC	View
TINKERBELL L20/USON mt.gt 6358 (TINK)	+0.669s After	-119.0 dBm	-7.75 dB	2	`f1`	ShortFast	2026-05-16 03:10:38 UTC	View
TINKERBELL L20/USON mt.gt 6358 (TINK)	+0.690s After	-119.0 dBm	-7.75 dB	2	`f1`	ShortFast	2026-05-16 03:10:38 UTC	View
TINKERBELL L20/USON mt.gt 6358 (TINK)	+0.712s After	-119.0 dBm	-7.75 dB	2	`f1`	ShortFast	2026-05-16 03:10:38 UTC	View
TINKERBELL L20/USON mt.gt 6358 (TINK)	+0.735s After	-119.0 dBm	-7.75 dB	2	`f1`	ShortFast	2026-05-16 03:10:38 UTC	View
TINKERBELL L20/USON mt.gt 6358 (TINK)	+0.760s After	-119.0 dBm	-7.75 dB	2	`f1`	ShortFast	2026-05-16 03:10:38 UTC	View
TINKERBELL L20/USON mt.gt 6358 (TINK)	+0.783s After	-119.0 dBm	-7.75 dB	2	`f1`	ShortFast	2026-05-16 03:10:38 UTC	View
TINKERBELL L20/USON mt.gt 6358 (TINK)	+0.805s After	-119.0 dBm	-7.75 dB	2	`f1`	ShortTurbo	2026-05-16 03:10:38 UTC	View
TINKERBELL L20/USON mt.gt 6358 (TINK)	+0.826s After	-119.0 dBm	-7.75 dB	2	`f1`	ShortTurbo	2026-05-16 03:10:38 UTC	View
TINKERBELL L20/USON mt.gt 6358 (TINK)	+0.846s After	-119.0 dBm	-7.75 dB	2	`f1`	ShortTurbo	2026-05-16 03:10:38 UTC	View
TINKERBELL L20/USON mt.gt 6358 (TINK)	+0.877s After	-119.0 dBm	-7.75 dB	2	`f1`	ShortTurbo	2026-05-16 03:10:38 UTC	View
TINKERBELL L20/USON mt.gt 6358 (TINK)	+0.907s After	-119.0 dBm	-7.75 dB	2	`f1`	ShortTurbo	2026-05-16 03:10:38 UTC	View
TINKERBELL L20/USON mt.gt 6358 (TINK)	+0.945s After	-119.0 dBm	-7.75 dB	2	`f1`	ShortTurbo	2026-05-16 03:10:38 UTC	View
TINKERBELL L20/USON mt.gt 6358 (TINK)	+0.971s After	-119.0 dBm	-7.75 dB	2	`f1`	ShortTurbo	2026-05-16 03:10:38 UTC	View
TINKERBELL L20/USON mt.gt 6358 (TINK)	+0.998s After	-119.0 dBm	-7.75 dB	2	`f1`	ShortTurbo	2026-05-16 03:10:38 UTC	View
TINKERBELL L20/USON mt.gt 6358 (TINK)	+1.031s After	-119.0 dBm	-7.75 dB	2	`f1`	ShortTurbo	2026-05-16 03:10:38 UTC	View
TINKERBELL L20/USON mt.gt 6358 (TINK)	+1.054s After	-119.0 dBm	-7.75 dB	2	`f1`	ShortTurbo	2026-05-16 03:10:38 UTC	View
TINKERBELL L20/USON mt.gt 6358 (TINK)	+1.081s After	-119.0 dBm	-7.75 dB	2	`f1`	ShortTurbo	2026-05-16 03:10:38 UTC	View
TINKERBELL L20/USON mt.gt 6358 (TINK)	+1.105s After	-119.0 dBm	-7.75 dB	2	`f1`	LongFast	2026-05-16 03:10:38 UTC	View
LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB)	+1.131s After	Unknown	Unknown	3	`58` TINK	LongFast	2026-05-16 03:10:38 UTC	View

47

Total Receptions

3

Unique Gateways