CSR8811 Class 1 Long Range Bluetooth Audio Module | FSC-BT909C

Product Overview

FSC-BT909C it is a Class 1 long range Bluetooth V5.2 dual-mode audio module adopts CSR8811 chip. It supports a Bluetooth Low Energy and BR/EDR compliant system for audio and data communication.

The maximum Tx power of FSC-BT909C can reach 18.5 dBm. It is an optimal module for customers with long range requirements.

FSC-BT909C profiles including HS/HF, A2DP, AVRCP, OPP, DUN, SPP, HID, BLE and so on.

Support communicating with the FeasyBlue app and many other Bluetooth apps

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Basic Parameter

Bluetooth module modelFSC-BT909C
Bluetooth versionBluetooth 5.2 dual mode(BR/EDR+BLE)
Transmit power+18.5dBm
Power supply3.3V
Operating Temperature-20°C to +85°C

Main Features

● Support Audio Transmitter and Receiver
● Fully qualified Bluetooth  5.2/5.1/5.0/4.2/4.1/4.0/3.0/2.1
● Postage stamp sized form factor
● Class 1 support (high output power)
● The default UART Baud rate is 115.2Kbps and can support from 1200bps up to 921Kbps,.
● UART, IPC,PCM/I'S data connection interfaces.
● Support profiles for HS/HF, A2DP, AVRCP, OPP, DUN, SPP, HID, BLE
● RoHS compliant


Audio transmiting

Audio transmitters

Bluetooth speakers​

Multimedia players

Health & Medic devices

Barcode and RFID scanners

Type Title date
April 1, 2022
Programming User Guide
April 1, 2022

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