FSC-BT805B Qualcomm CSR8811 Dual-Mode Bluetooth 5.2 Module


FSC-BT805B module is a CSR8811 Small Bluetooth Module for consumer and industrial electronics devices.

FSC-BT805B can be communicated by UART port. With Feasycom’s Bluetooth stack, Customers can easily transplant to their software. Please refer to Feasycom stack design guide.

FSC-BT805B is an RF module, which there should be a host MCU to run the Bluetooth stack.

Support communicating with the FeasyBlue app and many other Bluetooth apps

Basic Parameter

Bluetooth Module Model FSC-BT805B
Bluetooth version Bluetooth 4.2 dual mode
Dimension 10.8mm x 13.5mm x 2.2mm
Chipset CSR8811
Transmit power +9dBm
Interfaces UART
Frequency 2.402 - 2.480 GHz
Power supply 2.3V ~ 3.6V
Antenna Built-in Antenna (Default), supports external antenna (Optional)
Work temperature -40℃ - +85℃

Main Features

  • CSR8811 Chipset
  • Bluetooth Dual Mode 5.2/5.1/5.0/4.2/4.1/4.0/3.0/2.1
  • Mini Size 10.8*13.5*2.2mm
  • High Speed data transmission


  • Automotive
  • Healthcare
  • POS
  • Thermal Printer
  • Industrial


Type Title Date
Datasheet Feasycom FSC-BT805B Datasheet April 6, 2022

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