fsc-bt909

FSC-BT909 Qualcomm CSR8811 Dual-mode BT4.2 Audio Module

FSC‑BT909 is a dual‑mode Bluetooth 4.2 audio module powered by the Qualcomm CSR8811 chipset. Designed for wireless audio applications, it fully supports A2DP, AVRCP, HFP, HSP, SPP, GATT, and PBAP profiles. Its dual‑mode radio enables connectivity with both classic Bluetooth devices and Bluetooth Low Energy (BLE) products, delivering up to 3 Mbps data rates over distances up to 100 meters with low power consumption.

 

Preloaded with Feasycom’s robust and user‑friendly firmware, FSC‑BT909 allows developers to quickly integrate reliable Bluetooth audio and data functionality into applications such as wireless speakers, medical sensors, fitness trackers, and other connected devices.

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  • CSR8811 Bluetooth® 4.2 dual-mode wireless MCU for protocol stack execution. Integrated Bluetooth classic (BR/EDR) and low energy (BLE) with support for simultaneous operation.
      • Bluetooth Classic Audio:
        • Bluetooth Synchronous Connection-Oriented Channel (SCO: HFP)
        • Bluetooth Asynchronous Connection-Less Channel (ACL: A2DP)
        • Profiles supported: SPP, A2DP, HFP, AVRCP, PBAP
          • Bluetooth Controller:
            • Fully qualified Bluetooth 4.2/3.0/2.1/2.0/1.2/1.1.
            • Class 1 support (high output power).
            • Profiles including A2DP, AVRCP, HFP/HSP, PBAP, SPP, GATT, GATT, HID, OPP, DUN, etc...
            • USB 2.0 full-speed device/host/OTG controller.
            • Supports Low Power Mode
            • Bluetooth 5.3 Dual Mode support simultaneous BLE and BR/EDR
            • Supports multiple Low Energy States
            • Power Consumption In Sleep Mode (VDD_3V3 at 3.3 V)
              • Discoverable：73mA
              • BR/EDR Connection：12mA
              • LE Connection：46mA
            • Power Consumption In Working Mode (VDD_3V3 at 3.3 V)
              • Discoverable：56mA
              • BR/EDR Connection：95mA
              • LE Connection：08mA
              • General:
                • 26.9mm x 13mm x 2.4mm stamp 36-pin package
                • UART, I2C , PCM/I2S data connection interfaces.
                • The default UART Baud rate is 115.2Kbps and can support from 1200bps up to 921Kbps.
                • Integrated chip antenna, transmitting over 100m.
                • FCC, CE Certified.
                • Support in-depth Customization.
Chip Qualcomm CSR8811
Bluetooth Version V4.2
Frequency Band 2402MHz ~ 2480MHz
Transmit Power 18.5 dBm  (Class 1)
Receiver Sensitivity -86dBm@0.1% BER
Interfaces UART/I2C/PCM/I2S/PIO/AIO/PWM/USB2.0
Profiles A2DP/AVRCP/HFP/HSP/PBAP/SPP/GATT/HID/OPP/DUN
Supply Voltage 3.3 Volt DC
Dimensions 26.9mm(L) x 13mm(W) x 2.4mm(H)
Operating Temperature -30ºC to +85ºC
Environmental RoHS Compliant
Smart Retail
POS System
Automotive
Industrial Automation
Wireless IoT
Media Device
Documentation
Datasheet

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