FSC-BT1026A QCC3021 Bluetooth 5.1 TWS Audio Receiver Module
FSC-BT1026A is a dual-mode Bluetooth 5.1 TWS audio receiver module built on the Qualcomm QCC3021—an entry-level flash-programmable Bluetooth Audio SoC from the Qualcomm QCC30xx Low Power Entry-Level Series, engineered with an ultra-low power architecture and optimized for wireless audio applications including Bluetooth speakers. The module supports a full suite of Bluetooth protocols (A2DP, AVRCP, HFP, HSP, SPP, GATT, PBAP) for high-fidelity audio transmission and low-power Bluetooth connectivity.
Ideal for a wide range of wireless audio products such as wireless headphones, Bluetooth speakers and car Bluetooth systems, the QCC3021-based module delivers a streamlined development solution that helps reduce time and cost for manufacturers. Preloaded with Feasycom’s powerful, user-friendly firmware, FSC-BT1026A ensures seamless integration and straightforward deployment for rapid product development.
Related Dev Board
fsc-db200 
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- Dual-mode Bluetooth 5.1 TWS Audio Receiver SoC module
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- Qualcomm QCC3021 Bluetooth® v5.1 wireless MCU to execute Bluetooth protocol stack. Integrated 120 MHz Qualcomm® Kalimba™ audio DSPs and 32MHz Developer Processor for applications.
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- Bluetooth Audio:
- High-performance 24‑bit stereo audio interface
- 1-mic Qualcomm@ cVc™ speaker noise reduction and echo cancellation technology
- Supports Qualcomm@ TrueWireless™ technology and TrueWireless™ Stereo Plus technology
- Supports SBC and AAC audio codecs
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- RF Specification:
- Bluetooth v5.1 dual mode transceiver
- Backward compatible with Bluetooth 5.0/4.0/3.0/2.1/2.0/1.2/1.1
- BR/EDR profiles: A2DP, AVRCP, HFP, HSP, PBAP, SPP
- BLE profiles: ATT, GATT Client and Peripheral - Any Custom Services
- General:
- 13mm × 26.9mm stamp 52-pin package
- Support installing external Feasycom antenna or other antenna
- Digital and analog microphone interfaces
- Flexible QSPI flash programmable platform
- Flexible PIO controller and LED pins with PWM support
- Supports UART, Bit Serializer (I²C/SPI), and USB 2.0 serial interfaces
- Integrated PMU with dual SMPS for system/digital circuits and integrated Li-ion battery charger
- Low power modes to extend battery life
- Support the OTA upgrade
- Support in-depth Custimization
- RF Specification:
- Bluetooth Audio:
| Chip | Qualcomm QCC3021 |
| Bluetooth Standard | Bluetooth v5.1 dual mode |
| Transmit Power | +9 dBm (Maximum) |
| Receive Sensitivity | -96 dBm (Typical) |
| Audio Codecs | SBC and AAC |
| Profiles | BR/EDR: A2DP, AVRCP, HFP, HSP, PBAP, SPP BLE: GATT Client and Peripheral - Any Custom Services |
| Certifications | CE, FCC, IC, KC, TELEC, BQB, NCC, SRRC |
| GPIO Count | 23 |
| Interfaces | UART, I2C, SPI, I²S, PCM, USB, ADC, DAC, PWM |
| Antenna | On-board antenna by default
Support installing external Feasycom antenna and other antenna |
| Dimensions (mm) | 13 × 26.9 × 2.2 |
| Operating Temperature | -40°C ~ +85°C |
| Storage Temperature | -40°C ~ +85°C |
| Supply Voltage | VBAT_IN: 2.8V ~ 4.3V VDD_IO: 1.7V ~ 3.3V |
Firmware
| Firmware No. | Application | Profiles |
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| Default | Audio & Data | HFP, A2DP, AVRCP, PBAP, BLE, SPP, OTA |
| Custom | Audio & Data | Customization |
