FSC-BT3131 TI CC2340R5 Bluetooth Low Energy BLE 5.3 Transceiver Module

FSC-BT3131 is a wireless microcontroller (MCU) mainly focus on Bluetooth 5.3 low energy applications. Very low active RF and MCU current and low-power mode current consumption provide excellent battery lifetime and allow for operation on small coin cell batteries and in energy-harvesting applications. It supports GAP, ATT/GATT, SMP L2CAP profiles. It integrates Baseband controller in a small package (Integrated chip antenna), so the designers can have better flexibilities for the product shapes.

  • 4-GHZ RF Transceiver Compatible With Bluetooth
  • low energy (BLE) 5.3 Specifications
  • Link Budget of 102 dB for BLE
  • Integrate MCU to execute Bluetooth protocol stack
  • Postage stamp sized form factor
  • Low power
  • Class 1.5 support (up to +7 dBm)
  • The default UART Baud rate up to 3Mbps
  • UART, I2C,SPI interfaces
  • Support the OTA upgrade
  • Bluetooth stack profiles support: LE HID, and all BLE
Dimensions25.2 × 15.2 × 2.4 mm


Bluetooth Module ModelFSC-BT3131
Bluetooth VersionBluetooth Low Energy (BLE) 5.3
ChipsetTI CC2340R5
Dimension15.2mm × 25.2mm × 2.4mm; Pad Pitch 1.27mm
Transmit power+7 dBm (Maximum)
Power supply1.71V~3.8V
InterfaceUART / I2C / SPI
Frequency2.402 - 2.480 GHz
Operating temperature-40°C to +125°C
Storage temperature-40°C to +125°C


  • Home and Building Automation
  • Industrial
  • Retail
  • Health and Medical
  • Sports and Fitness
  • HID


DatasheetFeasycom FSC-BT3131 Datasheet V1.0
Android App


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