FSC-BT946 Bluetooth Low Energy BLE 5.2 Module


FSC-BT946 is a high-performance, highly integrated Bluetooth 5.2 BLE module, designed to operate on the 2400MHz to 2480Mhz ISM frequency band.

Abundant peripherals, power-on reset (POR) and I2C/USB, arithmetic accelerators further reduce the cost and size of the entire system.

Support communicating with the FeasyBlue app and many other Bluetooth apps

Basic Parameter

Bluetooth Module Model FSC-BT946
Bluetooth Version BLE 5.2
Dimension 13mm x 26.9mm x 2.0mm, Pad Pitch 1.5mm
Certifications SRRC
Transmit Power +5 dBm (Maximum)
Interfaces UART
Frequency 2.400-2.480 GHz
Power Supply 3.3-3.6V
Antenna Built-in PCB Antenna(Default), supports external antenna(Optional)
Highlights High-speed serial port transparent transmission, BLE Master & Slave, OTA upgrade support
Storage Temperature -10°C to +85°C
Operating Temperature -10°C to +85°C
Receive Sensitivity -95dBm @0.1% (BLE mode)

Main Features

  • Bluetooth 5.2 BLE Proprietary RF SOC
  • UART programming and data interface (baud rate can go up to 921600bps)
  • I2C/USB interfaces
  • Digital Peripherals
  • Two-wire Master (I2C compatible), up to 400kbps
  • LED drive capability
  • AES256 HW encryption
  • USB2.0 full speed, 4Eps, support host mode
  • Dual Core Digital Architecture
  • ARM Cortex-M0 Core for application
  • 32bit-RISC Core for link management
  • 2.4GHz Transceiver
  • Single-end RFIO
  • -95dBm in BLE mode
  • Tx Power 5dBm (Maximum)


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

Firmware Options

Firmware No. Application Profiles Support
FSC-BT946 Data GATT (Server & Client), OTA
FSC-BT946 Other Customization


Type Title Date
Datasheet Feasycom FSC-BT946 Datasheet April 1, 2022
Programming User Guide FSC-BT6XX Programming User Guide V3.0(BLE) April 1, 2022

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