System Overview

The Wireless Communication Subsystem provides all wireless connectivity for the FOS‑WDP‑S1 display panel, including Wi‑Fi 6 networking, Bluetooth 5.2 device connectivity, RF front‑end conditioning, multi‑antenna diversity, wireless casting, smart home integration, OTA firmware updates, and diagnostics. It ensures stable long‑range performance, low‑latency communication, secure encrypted networking, and seamless integration with system services.

Wireless Architecture Block Diagram

Modules

• Wi‑Fi 6 Module
• Bluetooth 5.2 Module
• RF Front‑End & Power Management
• Antenna Connectors (×4)
• Host Interface (Mainboard)

Signal Flow

• Host Interface (PCIe / SDIO / UART)
• Wireless Controller
• RF Front‑End
• Antenna System (2.4 GHz / 5 GHz / BT)
• Wireless Services (Casting / Streaming / Smart Home)

Power Management

• Dynamic power scaling
• Active / Idle / Power Save / Deep Sleep modes

Wireless Specifications

Antenna System Layout

Antenna Positions (×4)

• Wi‑Fi 6 Antenna (Primary)
• Wi‑Fi 6 Antenna (Diversity)
• Bluetooth 5.2 Antenna
• Optional Smart‑Home / IoT Antenna

Antenna Features

• High‑gain PCB antennas
• MIMO support
• Low‑loss coaxial routing
• EMI‑shielded mounting zones
• Optimized for wall‑mounted operation

Wireless Modules

Wi‑Fi 6 Module

• Chipset: Qualcomm QCA2066
• Interface: PCIe / SDIO
• OFDMA
• MU‑MIMO
• Beamforming
• WPA3 security
• Low‑latency streaming

Bluetooth 5.2 Module

• Chipset: Nordic nRF52833
• Interface: UART
• BLE
• Long‑range mode
• Low‑energy operation
• Secure pairing
• Audio device support

RF Front‑End Block Diagram

• Wi‑Fi / BT RF Input
• LNA (Low Noise Amplifier)
• PA (Power Amplifier)
• SPDT RF Switches
• Band‑pass Filters
• Antenna Output

RF Features

• Low‑noise amplification
• High‑efficiency transmission
• Automatic gain control
• Band filtering (2.4 GHz / 5 GHz)
• Coexistence management

Signal & Data Flow

• Applications (Casting / Streaming / Smart Home)
• Network Services
• Wireless Driver Stack
• Host Interface (PCIe / SDIO / UART)
• Wireless Modules (Wi‑Fi / BT)
• RF Front‑End
• Antenna System

Supported Services

• Casting (Miracast / AirPlay‑style / Chromecast‑style)
• Streaming (Video / Audio)
• Smart Home Integration
• OTA Firmware Updates
• Diagnostics & Monitoring

Interfaces & Connections

Mainboard Interfaces

• PCIe (Wi‑Fi)
• SDIO (Wi‑Fi alternative)
• UART (Bluetooth)
• GPIO (Status / Control)
• Power Rails (3.3V / 1.8V)

Antenna Connectors

• U.FL / MHF4
• Low‑loss coaxial cables
• EMI‑shielded routing

Status Indicators

Wireless Performance

Wi‑Fi 6 Throughput

• 2.4 GHz Band: Up to 600 Mbps, Range up to 30 m
• 5 GHz Band: Up to 1.8 Gbps, Range up to 20 m

Power Management

• Active
• Idle
• Power Save
• Deep Sleep

Features

• Dynamic power scaling
• RF front‑end power gating
• Low‑energy Bluetooth operation
• Thermal‑aware throttling

Security Features

• WPA3
• AES encryption
• Secure management frames
• Bluetooth secure pairing
• Anti‑spoofing
• Anti‑jamming detection

Interference & Coexistence

• DFS / TPC
• Dynamic channel switching
• Adaptive frequency hopping (Bluetooth)
• RF coexistence algorithms
• EMI shielding zones

Diagnostics & Monitoring

• Signal strength monitoring
• Spectrum analysis
• Connection status
• Packet error rate
• RF temperature monitoring
• Wireless logs

Service & Test Interface

• UART / USB‑C service ports
• Throughput test suite
• RF calibration tools
• OTA firmware update interface
• Wireless diagnostics export

Test Points

• TP1: 3.3V Rail
• TP2: 1.8V Rail
• TP3: PCIe Lane 0
• TP4: SDIO CLK
• TP5: UART TX/RX
• TP6: RF Output

Revision History

System Integration

Supported Wireless Services

• Casting
• Streaming
• Smart Home
• Firmware Updates
• Diagnostics

Key Features

• High‑speed wireless connectivity
• Secure encrypted communication
• Multi‑antenna diversity
• RF‑optimized performance
• Full integration with system services