The Realtek RTL8711S is a highly integrated single-chip low power 802.11 b/g/n Wireless LAN (WLAN) network interface controller. It combines an ARM-Cortex M3 MCU, WLAN MAC, a 1T1R capable WLAN baseband, and RF in a single chip. It's designed for applications requiring a low power consumption and a compact form factor.

Applications

• Internet of Things (IoT) devices: Smart home appliances, wearable devices, and other connected gadgets.
• Wireless audio and video streaming: Wireless speakers, IP cameras, and video doorbells.
• Smart energy and building automation: Smart thermostats, lighting control systems, and security sensors.
• Industrial control and monitoring: Wireless sensors, remote monitoring systems, and machine-to-machine (M2M) communication.
• Mobile devices: Smartphones, tablets, and portable media players requiring Wi-Fi connectivity.

Features

• IEEE 802.11 b/g/n compliant: Supports data rates up to 72.2 Mbps using 20MHz bandwidth and 150 Mbps using 40MHz bandwidth.
• Integrated ARM Cortex-M3 MCU: Provides ample processing power for network protocols and application logic.
• Low power consumption: Optimized for battery-powered devices, extending battery life.
• Integrated WLAN MAC, baseband, and RF: Reduces external component count and simplifies system design.
• Supports various security protocols: WEP, WPA, WPA2, WPS for secure wireless communication.
• Various interface options: UART, SPI, I2C, and GPIO for flexible connectivity.
• Small form factor: Suitable for space-constrained applications.

Benefits

• Improved connectivity: Enables wireless connectivity for devices that would otherwise require wired connections.
• Reduced development time: Integrated features and comprehensive SDK simplify development and reduce time-to-market.
• Lower system cost: Integrated components reduce the need for external components, lowering overall system cost.
• Extended battery life: Low power consumption extends battery life in battery-powered devices.
• Enhanced performance: High data rates and reliable connectivity improve overall system performance.
• Increased flexibility: Various interface options provide flexibility in system design.

Additional Details

The RTL8711S supports various operating modes, including Infrastructure and Ad-hoc modes. It also supports Wi-Fi Direct for peer-to-peer connectivity. The chip includes built-in power management features to further reduce power consumption. It is typically available in a QFN package.