Packet #39413594 Success

NODEINFO_APP packet from Midtown Base (MTBA) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	39413594
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`	`1778901037.5467257` 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)	-0.218s 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)	-0.154s 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)	-0.111s 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)	-0.089s 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)	-0.066s Before	-119.0 dBm	-7.75 dB	2	`f1`	LongFast	2026-05-16 03:10:37 UTC	View
AH001 (0d74)	-0.045s Before	-120.0 dBm	-13.00 dB	2	`f1`	LongFast	2026-05-16 03:10:37 UTC	View
TINKERBELL L20/USON mt.gt 6358 (TINK)	-0.024s 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)	+0.032s 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)	+0.054s 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)	+0.078s 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)	+0.098s 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)	+0.119s 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)	+0.139s 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)	+0.161s 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)	+0.184s 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)	+0.208s 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)	+0.233s 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)	+0.260s 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)	+0.292s 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)	+0.315s 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)	+0.338s 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)	+0.361s 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)	+0.386s 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)	+0.412s 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)	+0.436s 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)	+0.469s 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)	+0.491s 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)	+0.515s 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)	+0.536s 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)	+0.557s 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)	+0.581s 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)	+0.605s 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)	+0.628s 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)	+0.650s 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)	+0.672s 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)	+0.692s 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)	+0.723s 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)	+0.752s 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)	+0.790s 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)	+0.816s 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)	+0.843s 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)	+0.876s 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)	+0.899s 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)	+0.927s 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)	+0.951s 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)	+0.976s After	Unknown	Unknown	3	`58` TINK	LongFast	2026-05-16 03:10:38 UTC	View

47

Total Receptions

3

Unique Gateways