FSC-DB690 Development Board for FSC-BT690 Renesas / Dialog DA14531 Bluetooth Low Energy BLE 5.1 Module


FSC-DB690 is a Bluetooth Low Energy Module Testing Board USB Port. It's a development board designed for FSC-BT690 BLE Module.

Comparing with the bluetooth module itself, FSC-DB690 is much more convenient & easy for users to do testing. With the USB Port, the module can be connected to the computer directly, time saving, and ensuring the stability. Working with Feasycom's FREE UART tool, users can have the full control of the FSC-BT690 by using AT Commands.

Below you would find more features of the module FSC-BT690.

Basic Parameter

Bluetooth Module Model FSC-BT690
Bluetooth version BLE 5.1
Chipset DA14531
Dimension 5.4mm x 5.8mm x 1.2mm
Interface UART, I2C, SPI
Profiles GATT Central & Peripheral, customizable
Frequency 2.402-2.480 GHz
Transmit power -19.5 dBm to +2.5 dBm
Power supply 1.1-3.6V
Antenna External antenna required
Highlights Bluetooth 5.1 Specifications, Ultra-small Size, Affordable Cost

Main Features

  • 2.4-GHz RF Transceiver Compatible with Bluetooth Low Energy (BLE) 5.1
  • Ultra-small Size 5.4mm X 5.8mm X 1.2mm
  • Supports Multiple BLE Connections (Up to 3 Connections)
  • Programmable Transmit Output Power from -19.5dBm to +2.5 dBm
  • Operating Voltage: 1.1V to 3.6V
  • Supports SPI, UART, I2C Interfaces


  • Health & Medical Devices
  • Home Automation
  • Wearable Device
  • Bluetooth Beacons
  • Other IoT Application

Firmware Options

Firmware No. Application Profiles Support
FSC-BT690 Data GATT(Peripheral)OTP
FSC-BT690 Other Customization

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