FSC-BT802 Qualcomm CSR8670 Bluetooth 5.1 Audio Module


The Feasycom FSC-BT802 is a Bluetooth 5.1 dual-mode audio module. It provides a Bluetooth Low Energy fully compliant system for audio and data communication with Feasycom stack. FSC-BT802 integrates an ultra-low-power DSP and application processor with embedded flash memory, a high-performance stereo codec, a power management subsystem, SPI, LED drivers and ADC 1/0 in a SOC IC. The dual-core architecture with flash memory enables manufacturers to easily differentiate their products with new features without extending development cycles. By default, FSC-BT802 module is equipped with powerful and easy-to-use Feasycom firmware. It's easy-to-use and completely encapsulated. Feasycom firmware enables users to access Bluetooth functionality with simple ASCIl commands delivered to the module over serial interface - it's just like a Bluetooth modem. Therefore, FSC-BT802 provides an ideal solution for developers who want to integrate Bluetooth wireless technology into their design.


  • Compliant with Bluetooth v5.1/5.0/4.0/3.0/2.1/2.0/1.2/1.1 and Class 1.5 specifications
  • Postage stamp size form factor
  • Low power consumption
  • Supports HSP, HFP, A2DP, AVRCP, PBAP, MAP, SPP, and BLE profiles
  • The default UART Baud rate is 115.2Kbps and can support from 1200bps up to 921Kbps
  • UART, I2C, PCM/I2S, nine PIOs, and two AIOs interfaces
  • I2S/PCM and SPDIF audio interfaces
  • Supports CSR's latest cVc technology for narrow-band and wideband voice
  • Supports aptX
  • CE, FCC, BQB, TELEC, IC, and KC certified


  • Bluetooth headphones
  • Bluetooth speakers
  • Audio transmitters
  • Multimedia players
  • Automotive Hands-Free Kits
  • Wearable audio with sensors


Bluetooth Module FSC-BT802
Bluetooth Version Bluetooth V5.1 (Dual Mode)
Chipset Qualcomm CSR8670
Dimension (mm) 9.7 × 11.5 × 1.8
Transmit Power +10 dBm (Max.)
Certification BQB, CE, FCC, IC, TELEC, KC
Frequency Band 2.402 GHz to 2.480 GHz
Antenna No on-board antenna, external antenna required
Features aptX, aptX LL, High-quality audio transceiver, Audio transmit


Firmware No. Application Profiles Support
FSC-BT802 Audio Master & Data HFP(Source), A2DP(Source), BLE, SPP, Serial Upgrade
FSC-BT802 Audio & Data HFP(Sink), A2DP(Source & Sink), AVRCP(Sink), BLE, SPP, Serial Upgrade
FSC-BT802 Broadcast Audio A2DP, AVRCP, BLE, Serial Upgrade
FSC-BT802 Other Customization

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