FSC-BT825B Realtek RTL8761BTV Dual-Mode Bluetooth 5.0 Module


The Feasycom FSC-BT825B is a fully integrated Bluetooth module that complies with the Bluetooth 5 specification dual mode protocol (BR/EDR & BLE). It supports SPP, BLE,FTP, ANCS, and iBeacon configuration files. It integrates the baseband controller in a small package and supports an external antenna, so designers can have more flexibility in product shape. FSC-BT825B can be communicated by UART port. With Feasycom's Bluetooth stack, customers can easily transplant to their software.


  • Bluetooth 5 specification compliant
  • Postage stamp sized form factor
  • Supports Bluetooth classic (BDR/EDR)
  • Supports Bluetooth Low Energy (BLE)
  • The default UART baud rate is 115.2 Kbps and can support from 1200 bps up to 921.6 Kbps
  • UART and PCM data connection interfaces
  • Bluetooth stack profiles support SPP, HFP/HSP, ADP, AVRCP, MAP, FTP and all BLE protocols


  • Smart Watch and Bluetooth Bracelet
  • Health & Medical devices
  • Wireless POS
  • Measurement and monitoring systems
  • Industrial sensors and controls
  • Asset tracking


Bluetooth Module FSC-BT825B
Chipset Realtek RTL8761BTV
Bluetooth Standard Bluetooth 5.0 (dual mode)
Frequency Band 2.4G ISM band (2402~2480 MHz)
Maximum Transmit Output Power +10 dBm (Class 1.5)
Receive Sensitivity -94.5 dBm @ 0.1% BER
Profiles SPP, BLE (standard), FTP, ANCS, HFP, A2DP, AVRCP, MAP (optional)
Interfaces UART (data), PCM (audio)
Size (mm) 10.8 × 13.5 × 1.8
Power Supply 3~3.6V DC
Operating Temperature 0℃ to 70℃
Storage Temperature -40℃ to +85℃
Dimensions 13.5 × 10.8 × 1.8 mm

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