FSC-BW121 Wi-Fi 5 & Bluetooth 5.3 Module with SDIO/UART/PCM Interfaces

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FSC-BW121

The Feasycom FSC-BW121 is a Bluetooth WiFi combo module with an SDIO interface that supports Bluetooth 5.0 dual mode and Wi-Fi 802.11 a/b/g/n/ac standards. It requires an external MCU to handle the Bluetooth protocol stack. The module also supports both 2.4GHz and 5GHz frequencies, SDIO/UART interfaces, and offers LE/BR/EDR and TCP/UDP/HTTP profiles. It provides reliable wireless connectivity for various applications such as audio, automotive, and smart home.

Features

  • Bluetooth 5.3 Dual Mode
  • CMOS MAC, Baseband PHY and RF in a single chip for IEEE 802.11a/b/g/n/ac compatible WLAN
  • Support 802.11ac 1x1, Wave-2 compliant with MU-MIMO STA mode
  • Complete 802.11n MIMO solution for 2.4GHz and 5Ghz band
  • UART, SDIO Interfaces
  • Small size 17mm x 17mm x 2.4mm
  • Cost down solution
  • Support WPA3 network security

Applications

  • Automotive
  • Home Automation
  • Home Audio
  • Industrial Control
  • Other IoT Applications

Specifications

Wi-Fi BT Module FSC-BW121
Chipset Realtek RTL8821
Wi-Fi Standard 802.11 a/b/g/n/ac
Wi-Fi Frequency 2.4 GHz & 5 GHz
Wi-Fi Protocols TCP, UDP, HTTP
Bluetooth Standard Bluetooth V5.3 (Dual Mode)
Profiles HFP, A2DP, PBAP, SPP, GATT
OTA Supports
Interface UART, SDIO
Power Supply 3.0V~3.6V
Dimension (mm) 17 × 17 × 2.4
Operating Temperature -40℃ to +85℃ (default), -20℃ to +70℃ for FSC-BW121D and FSC-BW121DI
Storage Temperature -40℃ to +85℃

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