FSC-BT805B CSR8811 Bluetooth 5.2 Module


The Feasycom FSC-BT805B module is a CSR8811 small Bluetooth audio transceiver module for consumer and industrial electronics devices. It can be communicated by UART port. With Feasycom’s Bluetooth stack, customers can easily transplant to their software. FSC-BT805B is an RF module, which there should be used with a host MCU to run the Bluetooth stack. It supports communicating with the FeasyBlue app and many other Bluetooth apps.


  • Qualcomm CSR8811 chipset
  • Dual-mode Bluetooth 5.2/5.1/5.0/4.2/4.1/4.0/3.0/2.1
  • Mini Size 10.8 × 13.5 × 2.2 mm
  • High-speed data transmission


  • Automotive
  • Healthcare
  • POS
  • Thermal Printers
  • Industrial


Bluetooth Module FSC-BT805B
Chipset Qualcomm CSR8811
Bluetooth Version Bluetooth 5.2 (Bluetooth Low Energy, Bluetooth Classic, dual-mode Bluetooth)
Dimension (mm) 10.8 × 13.5 × 2.2
Transmit Power +9 dBm
Interfaces UART
Frequency 2.402 GHz to 2.480 GHz
Power Supply 2.3 V to 3.6 V
Antenna Built-in antenna default, external antenna optional
Operating Temperature -30℃ to +85℃

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