Ai-Thinker BW16 is a dual-band Wi-Fi and Bluetooth module based on the RTL8720DN SoC. According to the official Ai-Thinker datasheet, this Ai-Thinker Wi-Fi BLE module supports 2.4GHz and 5GHz WLAN, Bluetooth 5.0, and integrates both a high-performance ARM V8 MCU and a low-power ARM V8 MCU for connected embedded applications. BW16 is suitable for IoT devices, smart home products, wireless controllers, wearable electronics, and compact connected systems that need dual-band Wi-Fi and Bluetooth 5.0. Official materials also highlight support for STA/AP/STA+AP modes, FOTA, SmartConfig, hardware security engines, and flexible antenna options, making this Ai-Thinker wireless module practical for both rapid integration and secondary development. Features RTL8720DN based Wi-Fi + Bluetooth module for dual-band wireless embedded products. Supports 802.11a/b/g/n with 2.4GHz or 5GHz operation. Bluetooth 5.0 support with shared antenna design. Dual MCU architecture with high-performance and low-power processing cores. Hardware security support including AES, DES, and SHA engines, plus TrustZone-M and secure startup support. Supports STA / AP / STA+AP, SmartConfig, AirKiss, local upgrade, and remote firmware upgrade (FOTA). Specifications Parameter Specification Model BW16 Core Chip RTL8720DN Wireless Wi-Fi 802.11a/b/g/n, Bluetooth 5.0 Frequency Range 2400 ~ 2483.5MHz or 5180 ~ 5825MHz Bluetooth Frequency 2.402GHz ~ 2.480GHz Package SMD-16 Size 24 x 16 x 3 (±0.2) mm Antenna PCB antenna or IPEX antenna Power Supply 3.0V ~ 3.6V, typical 3.3V, current > 450mA Interfaces UART / GPIO / ADC / PWM / IIC / SPI / SWD Operating Temperature -20°C ~ 70°C Storage Environment -40°C ~ 125°C, < 90% RH Certification RoHS, FCC, CE, SRRC Applications IoT device connectivity with dual-band Wi-Fi and Bluetooth support. Smart home products and compact wireless control systems. Wearable electronics and low-power connected devices. Ai-Thinker dual-band Wi-Fi development for products that need flexible network deployment. Other Content BW16 is a strong choice when you need a compact Ai-Thinker module with 2.4GHz and 5GHz Wi-Fi plus Bluetooth 5.0. Compared with simpler single-band modules, it gives developers more deployment flexibility, broader compatibility, and better fit for products that need stronger wireless options and secure firmware workflows. Resources BW16 Datasheet FAQ What is BW16 used for?It is used for Ai-Thinker wireless IoT development, smart home systems, wearable electronics, and dual-band Wi-Fi plus Bluetooth embedded products. Does BW16 support both 2.4GHz and 5GHz Wi-Fi?Yes. Official specifications list dual-band Wi-Fi support across 2.4GHz and 5GHz. Why choose BW16?It combines dual-band Wi-Fi, Bluetooth 5.0, hardware security support, flexible antenna options, and practical firmware upgrade features in one compact Ai-Thinker module.
