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In the IoT era where demand for wireless connectivity is soaring, Feasycom’s combined Bluetooth + Wi-Fi protocol stack solution developed based on the RTL8821 chip boasts advantages of dual-band Wi-Fi support, low co-channel interference, and coexistence of Bluetooth and Wi-Fi. With stable and reliable performance, it meets the application needs of various in-vehicle scenarios.

 

FSC-BW121 is a highly integrated 1T1R Dual-band WLAN + Bt 5.3 combo module based on Realtek RTL8821 chip, Convient pour les appareils à domicile intelligents et les applications multimédias à véhicule. Il prend en charge la solution 1-Srteam 802.11.ac avec le mode MU-Mimo STA, et compatible avec la norme 802.11a / b / g / n, Sidio 3.0/2.0 interface, Interface mixte HS-UART. Il prend en charge le double mode (Br / edr + Faible énergie) de liens simultanément actifs. Conçu pour répondre aux besoins des applications sans fil à grande vitesse dans les véhicules.

 

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In-Vehicle Connectivity: High Bandwidth & Low Latency

Equipped with Wi-Fi 5 technologie, FSC-BW121 module delivers high-speed wireless transmission capability, bringing a stable and efficient connectivity experience to in-vehicle scenarios. When a mobile phone achieves intelligent connection with the vehicle, online navigation maps load quickly, real-time traffic information synchronizes promptly, and high-definition video playback runs smoothly without stutters. Even when the vehicle is driving in high-rise dense urban areas or remote roads with complex signals, it can still stably output high-quality screen projection images. Its low-latency feature effectively improves operation response speed, when zooming in/out of navigation maps or switching video content on the mobile phone, the central control screen presents the operation results almost synchronously, helping car owners plan and adjust driving routes more timely and accurately.

 

Bluetooth & Wi-Fi Coexistence

The FSC-BW121 module integrates Bluetooth 5.3 technologie, and its low-latency feature facilitates clear high-definition Bluetooth calls and lossless music transmission. With excellent anti-interference design, the module can effectively avoid signal conflicts, ensuring that Bluetooth and Wi-Fi functions operate stably simultaneously without mutual interference. While using Bluetooth for calls, car owners can still maintain the fluency of Wi-Fi screen projection or online data transmission, meeting the usage needs of multi-task parallelism.

 

Multi-Scenario Adaptability

The module offers broad device compatibility. It can achieve seamless connection with both mobile devices such as mobile phones and tablets, and in-vehicle central control multimedia screens of different brands, easily completing wireless screen projection and data interaction from mobile phone apps to the central control screen. Whether for new car model R&D projects or upgrade and renovation of old vehicle central control systems, the module can adapt flexibly, reducing the adaptation difficulty of device interconnection.

 

Cross-Platform System Compatibility

Amid the increasing diversification of IoT devices, compatibility between different systems has become a significant challenge for developers. The FSC-BW121 Automotive WiFi Module solution is compatible with mainstream operating systems such as Android, RTOS, and Linux. Relying on standardized interface design and deeply optimized protocol adaptation, it greatly reduces the difficulty of integrating the module with different systems. Developers do not need to conduct complex underlying development for each system, only simple configuration is required to quickly complete module deployment and application implementation, raccourcir efficacement le cycle de développement de produits et contrôler les coûts de développement.