FSC-BT1026D Qualcomm QCC3034 Bluetooth 5.1 Audio Receiver Module
BT1026D is a dual-mode Bluetooth 5.1 high-performance audio receiver SoC module based on Qualcomm’s QCC3034 chip. The module integrates Bluetooth 5.1 dual-mode (BR/EDR + BLE) technology and supports Bluetooth protocols including A2DP, AVRCP, HFP, HSP, SPP, GATT, and PBAP. It also supports aptX, aptX HD, aptX Low Latency, SBC, and AAC audio codecs, as well as cVc noise reduction technology, which is widely used in high-end wireless headphones, Bluetooth speakers, car Bluetooth, smart home, and other products. The module comes with powerful, easy-to-use firmware; developers can use simple AT commands to integrate Bluetooth audio functionality.
Features
- Dual-mode Bluetooth 5.1 High-performance Audio Receiver SoC module
- Qualcomm QCC3034 Bluetooth® v5.1 wireless MCU to execute Bluetooth protocol stack. Integrated 120 MHz Qualcomm® Kalimba™ audio DSPs and 32MHz Developer Processor for applications.
Bluetooth Audio
- High-performance 24‑bit stereo audio interface
- 1 or 2-mic Qualcomm cVc™ headset noise reduction and echo cancellation technology
- Supports Qualcomm broadcast audio technology
- Supports aptX, aptX HD, aptX Low Latency, SBC, and AAC audio codecs
RF Specifications
- 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 an external Feasycom antenna or another 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 an integrated Li-ion battery charger
- Low power modes to extend battery life
- Support the OTA upgrade
- Support in-depth customization
Specifications
| Chip | Qualcomm QCC3034 |
| Bluetooth Standard | Bluetooth v5.1 dual mode |
| Transmit Power | +9 dBm (Maximum) |
| Receive Sensitivity | -100 dBm @ BLE 1Mbps |
| Audio Codecs | aptX, aptX HD, aptX Low Latency (license required), 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/SPDIF/USB/ADC/DAC/PWM |
| Antenna | On-board antenna, by default, supports an external 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 |








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