FSC-BW121 RTL8821CS Wi-Fi 5 + BT 5.3 Module
FSC-BW121 is a highly integrated Dual-band WLAN + BT 5.3 combo module for smart home devices and in-vehicle multimedia applications. It supports 1-srteam 802.11.ac solution with Mu-MIMO STA mode, and compatible with 802.11a/b/g/n standard, SDIO 3.0/2.0 interface, HS-UART mixed interface. It supports Dual-mode (BR/EDR + Low Energy) of simultaneously active links. Designed to meet the needs of high-speed wireless applications in vehicles.
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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) | 17 × 17 × 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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Access Control
Car AV System
Consumer Electronics
Industrial Automation
Media Device
sensor
Smart Cities
Smart Energy
Smart Home
Smart Internet
Smart Security
Wireless IoT