Ai-Thinker BW20-12F is a dual-band Wi-Fi + BLE module based on the RTL8711 series, designed for wireless IoT products that need both 2.4GHz and 5GHz Wi-Fi together with Bluetooth 5.0. This Ai-Thinker BW20-12F module supports 802.11a/b/g/n, integrates a dual-core MCU up to 330MHz, and offers flexible interfaces for smart home devices, wireless controllers, mobile accessories, wearable electronics, and embedded IoT terminals.

The Ai-Thinker BW20-12F is suitable for developers looking for a compact dual-band WiFi module with BLE connectivity, stable secondary development support, and flexible antenna options. For products requiring IoT communication, smart home networking, Bluetooth control, and wireless data transmission, the BW20-12F provides a practical balance of performance, interfaces, and integration convenience.

Features

• Dual-band Wi-Fi module supporting 2.4GHz and 5GHz with 802.11a/b/g/n WLAN protocols
• Bluetooth 5.0 support with BLE Long Range, high-power mode, and LE data length extension
• Ai-Thinker RTL8711-based module with dual-core MCU: ARM V8.1 high-performance core and ARM V8M low-power core
• Up to 330MHz processing capability for embedded wireless applications and connected IoT devices
• Supports HT20 / HT40, link layer privacy, and hardware encryption engine
• Rich interfaces including UART, GPIO, ADC, PWM, IIC, SPI, SDIO, IR, SWD, and USB
• 17 available IOs by default for flexible integration into smart home and wireless control projects
• Shared antenna architecture with on-board PCB antenna and IPEX connector options
• Supports secondary development in Linux and Windows environments

Specifications

Applications

• IoT modules for smart home gateways, smart plugs, smart lighting, and connected appliances
• Wireless control products requiring dual-band WiFi and BLE communication
• Mobile accessories and wearable electronics with compact embedded wireless design
• Industrial and consumer devices needing Bluetooth 5.0, 2.4GHz / 5GHz Wi-Fi, and flexible serial interfaces
• Embedded products that benefit from secondary development, custom firmware, and secure wireless networking

Other Content

Ai-Thinker BW20-12F belongs to the official BW20 dual-band Wi-Fi + BLE series. According to Ai-Thinker documentation, this series is designed for IoT communication, smart home products, mobile devices, wearable electronics, and other embedded wireless applications where dual-band Wi-Fi, Bluetooth 5.0, and flexible interfaces are required.

For development and integration, the BW20-12F supports firmware updates, AT command workflows, and SDK-based secondary development. The official materials also provide footprint files, development guidance, testing reports, and certification references, which are useful when evaluating this Ai-Thinker WiFi BLE module for commercial or engineering projects.

Resources

• Ai-Thinker BW20 official topic page
• BW20-12F English specification
• BW20 series AT command set
• Ameba RTOS SDK on GitHub
• Ai-Thinker certification page

FAQ

Does the BW20-12F support both 2.4GHz and 5GHz Wi-Fi?

Yes. According to Ai-Thinker official documentation, the BW20-12F is a dual-band Wi-Fi module supporting 2.4GHz and 5GHz wireless communication under 802.11a/b/g/n.

Does this Ai-Thinker module support Bluetooth?

Yes. The Ai-Thinker BW20-12F supports Bluetooth 5.0 and BLE-related functions, making it suitable for wireless control, IoT, and smart home connectivity.

What interfaces are available on the BW20-12F?

The official specification lists UART, GPIO, ADC, PWM, IIC, SPI, SDIO, IR, SWD, and USB, with 17 available IOs by default.

Is the BW20-12F suitable for secondary development?

Yes. Ai-Thinker provides official documentation, AT command materials, and SDK-related development resources for secondary development in Linux and Windows environments.