FSC-BW120 RTL8821CS Mini-Size Wi-Fi 5 + BT 5.3 Module
FSC-BW120 is an advanced Wi-Fi Bluetooth combo module designed for high-performance integrated wireless and Bluetooth connectivity. It supports 1-stream 802.11ac with Multi-user MIMO STA mode, incorporating a Bluetooth Smart Ready controller and versatile interfaces such as SDIO and HS-UART. The module integrates a WLAN MAC and 1T1R capable WLAN baseband with RF functionality in a single chip, ensuring seamless operation across IEEE 802.11b/g/a standards. It features robust signal processing capabilities, including adaptive frequency domain equalization and interference detection, enhancing reception reliability in diverse environments. The module’s MAC supports multimedia applications, security protocols like 802.11i and WAPI, and efficient packet aggregation techniques for enhanced protocol efficiency and power management. Compliant with Bluetooth v5.3, it facilitates dual-mode operation (BR/EDR + Low Energy) with support for simultaneous active links in various network topologies, ensuring versatile connectivity solutions.
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- Bluetooth 5.3, Support Simultaneous LE & BR/EDR, and High Duty Cycle Non-Connectable Advertising
- HS-UART interface for Bluetooth data transmission compliant with H4 and H5 specification
- PCM interface for audio data transmission via Bluetooth controller
- Requires external MCU to execute Bluetooth protocol stack
- Supports all packet types in basic rate and enhanced data rate
| Categories | Features | Implementation |
|---|---|---|
| Bluetooth | ||
| Bluetooth Standard | Bluetooth V5.3 LE & BR/EDR | |
| Frequency Band | 2.402 ~ 2.480 GHz | |
| Interfaces | UART, PCM | |
| Wi-Fi | ||
| Wi-Fi Standard | 802.11 a/b/g/n/ac | |
| Frequency Band | 2.412 ~ 2.484 GHz / 4.900 ~ 5.925 GHz | |
| Interface | SDIO | |
| General | ||
| Dimensions (mm) | 12 × 12 × 2.4 | |
| Operating Temperature | -40°C ~ +85°C | |
| Storage Temperature | -40°C ~ +85°C | |
| VDD_3V3_WL | 3.0V ~ 3.6V | |
| VDD_IO | 1.62V ~ 3.6V | |
| Miscellaneous | Lead Free | Lead-free and RoHS compliant |
| Warranty | One Year | |
| Humidity | 10% ~ 90% non-condensing | |
| MSL grade: | MSL 3 | |
| ESD grade: | Human Body Model: Pass ±2000V, all pins Charge device model: Pass ±400V, all pins |
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