1. Introducción
This manual provides essential information for the FEASYCOM QCC3034 Bluetooth 5.1 Audio Module (Model: FSC-BT1026D). This compact, high-performance module is designed for integration into various audio applications, offering advanced Bluetooth connectivity and audio processing capabilities.

Imagen 1.1: Frente view of the FEASYCOM QCC3034 Bluetooth 5.1 Audio Module, showing the FEASYCOM logo and model number.
Características principales:
- Qualified Bluetooth v5.1 specification for reliable wireless connectivity.
- Integrated 120MHz Qualcomm Kalimba audio DSP for advanced audio processing.
- Supports aptX, aptX HD, aptX Low Latency, SBC, and AAC audio codecs.
- Compact size: 13mm (W) x 26.9mm (L) x 1.7mm (H).
- Admite varios profiles: A2DP, AVRCP, HFP, HSP, PBAP, SPP, GATT.
- Certifications: BQB, FCC, IC, CE, TELEC, KC, NCC.
- Integrated PMU with dual SMPS and Li-ion battery charger.
2. Configuración e integración
The FSC-BT1026D is a module designed for integration into host devices. Detailed integration instructions, including pinout diagrams and software development kits (SDKs), are typically provided by the manufacturer for developers. This section outlines general considerations for integration.
2.1. Supported Interfaces:
The module offers flexible connectivity options for integration:
- UART: Receptor-Transmisor Asíncrono Universal para comunicación serial.
- Bit Serializer (I²C/SPI): For inter-integrated circuit and serial peripheral interface communication.
- USB 2.0: For data transfer and debugging.
- IIS/SPDIF: Entrada/salida de audio digital.
- Audio analógico: High-performance 24-bit stereo audio interface.
- Digital and Analog Microphone Interfaces: For voice input capabilities.
- PIO Controller and LED Pins with PWM Support: For general purpose input/output and indicator control.
2.2. Aplicaciones típicas:
This module is suitable for a wide range of audio products, including:
- Bluetooth stereo headsets and headphones.
- Qualcomm TrueWireless stereo earbuds.
- Altavoces bluetooth.
- Automotive audio systems.

Imagen 2.1: View of the module highlighting internal components such as the 120 MHz Audio DSP and 32 MHz Developer Processor.
3. Principios de funcionamiento
The FSC-BT1026D functions as a Bluetooth audio receiver module, enabling wireless audio streaming and communication for integrated devices. Its operation is governed by the host device's firmware and application.
3.1. Conectividad Bluetooth:
The module utilizes Bluetooth 5.1 technology, offering enhanced range (up to 50m/165ft), improved speed, and lower power consumption compared to previous versions. It supports dual-mode operation, compatible with both iOS and Android devices.
3.2. Audio Codecs and Profiles:
For high-quality audio transmission, the module supports a range of audio codecs:
- aptX, aptX HD, aptX Low Latency: Qualcomm's proprietary codecs for high-fidelity and low-latency audio.
- SBC (Subband Coding): Códec de audio Bluetooth estándar.
- AAC (Advanced Audio Coding): Commonly used for Apple devices and streaming services.
Pro compatible con Bluetoothfiles include A2DP (Advanced Audio Distribution Profile), AVRCP (Audio / Video Remote Control Profile), HFP (Manos Libres Pro)file), HSP (Auriculares Profile), PBAP (Phone Book Access Profile), SPP (puerto serie Profile), and GATT (Generic Attribute Profile).
4. Mantenimiento
As an electronic module, the FSC-BT1026D requires minimal user maintenance. Proper handling and environmental conditions are crucial for its longevity and performance.
- Condiciones ambientales: Avoid exposing the module to extreme temperatures, high humidity, dust, or corrosive environments.
- Manejo: Handle the module with care, preferably using anti-static precautions, to prevent damage to sensitive electronic components.
- Limpieza: If necessary, gently clean the module's exterior with a dry, soft cloth. Do not use liquid cleaners or solvents.
5. Solución de problemas
If you encounter issues with a device integrating the FSC-BT1026D module, consider the following general troubleshooting steps. For specific issues related to the host device, refer to its dedicated manual.
5.1. Problemas de conectividad:
- Fuerza: Ensure the module and host device are receiving adequate power.
- Rango: Verify that the Bluetooth source device is within the module's operational range (up to 50m/165ft). Obstacles can reduce range.
- Emparejamiento: Confirm that the module is correctly paired with the source device. If issues persist, try unpairing and re-pairing.
- Interferencia: Minimize interference from other 2.4 GHz wireless devices (e.g., Wi-Fi routers, microwaves).
5.2. Problemas de calidad de audio:
- Calidad de la fuente: Asegúrese de que la fuente de audio (por ejemplo, música) file, streaming service) is of high quality.
- Compatibilidad de códecs: Verify that both the source device and the module support the desired audio codec (e.g., aptX HD).
- Niveles de volumen: Check volume settings on both the source device and the host device.
6. Especificaciones
Detailed technical specifications for the FEASYCOM QCC3034 Bluetooth 5.1 Audio Module (FSC-BT1026D).

Image 6.1: Diagram illustrating the dimensions of the FSC-BT1026D module.
| Característica | Detalle |
|---|---|
| Número de modelo | FSC-BT1026D |
| Versión de Bluetooth | 5.1 (Dual Mode) |
| Conjunto de chips | Qualcomm QCC3034 |
| Dimensiones (L x An x Al) | 26.9 mm x 13 mm x 1.7 mm (0.51 x 1.06 x 0.06 pulgadas) |
| Peso | 1 gramos (0.035 onzas) |
| Potencia de transmisión | 9 dBm |
| Rango de cobertura | Hasta 50 metros (165 pies) |
| Velocidad de transferencia de datos | 50 megabits por segundo |
| Códecs de audio compatibles | aptX, aptX HD, aptX Low Latency, SBC, AAC |
| Pro compatiblefiles | A2DP, AVRCP, HFP, HSP, PBAP, SPP, GATT |
| Interfaces | UART, I²C/SPI, USB 2.0, IIS, SPDIF, Analogue Audio, Digital/Analog Mic |
| Certificaciones | BQB, FCC, IC, CE, TELEC, KC, NCC |
| Código Postal | 768253192452 |

Image 6.2: The FSC-BT1026D module shown alongside a US dollar coin, illustrating its compact size.
7. Garantía y soporte
FEASYCOM provides technical support and resources for its products. For detailed warranty information, technical documentation, and developer resources, please refer to the official FEASYCOM websitio o comuníquese directamente con su equipo de soporte.
- Fabricante: Tecnología Co., LTD de Shenzhen Feasycom
- Online Store: Visit the FEASYCOM Store on Amazon
- Producto ASIN: B09P1KCSHJ





