FSC-BT816SG TI CC2564C Dual-Mode Bluetooth 5.1 Module


The Feasycom FSC-BT816SG is a fully integrated Bluetooth module that complies with dual-mode Bluetooth 5.1 protocols (BR/EDR and LE). It provides several interfaces such as UART, I2C, PCM, AIO, PIO, etc., which can be customized for different applications. FSC-BT816SG supports various profiles. It integrates MCU, baseband controller, and RF in a small package, so the designers can have better flexibilities for the product shapes. FSC-BT816SG can be controlled by UART port or other interfaces. Please refer to Feasycom software design guide for the interfacing protocol.


  • Fully qualified Bluetooth 5.1/4.2/3.0/2.1/2.0/1.2/1.1
  • Postage stamp sized form factor
  • Low power consumption
  • Supports Class 1.5 high output power
  • Supports SPP, HID, and all BLE profiles
  • The default UART Baud rate is 115.2 Kbps and can support from 1200 bps up to 921 Kbps
  • Supports UART, I2C, and PCM/I2S interfaces


  • Smart watch and bracelet
  • Health & medical devices
  • Measurement and monitoring systems
  • Industrial sensors and controls
  • Asset tracking


Bluetooth Module FSC-BT816SG
Chipset TI CC2564C
Bluetooth Standard Dual-mode Bluetooth 5.1
Frequency Band 2.402~2.480GHz ISM band
Transmit Output Power +10.5 dBm (Max.) Class 1.5
Receive Sensitivity -90 dBm @ 0.1% BER
Profiles SPP, HID, GATT (BLE standard), MFi, Airsync, ANCS, iBeacon
Interfaces UART, I2C, PCM/I2S
Antenna Integrated chip antenna
Size (mm) 13 × 26.9 × 2.0
Power Supply 3.3V DC
Operating Temperature -40℃ to +85℃
Storage Temperature -40℃ to +85℃

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