FSC-BT821 Super Small Size Bluetooth Low-Energy Module With Competitive Price

Product Overview:

FSC-BT821 is a fully integrated Bluetooth module that complies with Bluetooth 4.2 dual mode protocols(BR/EDR/BLE). It supports SPP, HID, GATT, iBeacon profiles. It integrates Baseband controller in a small package(Need an external RF antenna), so the designers can have better flexibility when designing the product shapes.

  • Module Number: FSC-BT821
  • Chipset: Realtek8761
  • Bluetooth Version: Bluetooth 4.2, Dual Mode
  • Cover Range: 30m(100ft)
  • Profiles: SPP, GATT(BLE Standard) MFI,Airsync,ANCS, iBeacon, MAP(optional),OTA(optional) Profiles
  • Product Detail

    Detail Parameters

    Chipset Realtek8761
    Product FSC-BT821
    Dimension 12mm x 15mm x 2mm
    Bluetooth Specification Bluetooth V4.2 (Dual Mode)
    Power Supply 3.3 Volt DC
    Output Power 5.5 dBm (Class 1.5)
    Sensitivity -82dBm at 0.1%BER
    Frequency Band 2.402GHz -2.480GHz ISM band
    Baseband Crystal OSC 40MHz
    Hopping & channels 1600hops/sec, 1MHz channel space,79 Channels(BT 4.2 to 2MHz channel space)
    RF Input Impedance 50 ohms
    Antenna External
    Interface Data: UART, I2C, PCM / I2S
    Profile SPP, GATT(BLE Standard),MFI,Airsync,ANCS, iBeacon, MAP(optional),OTA(optional)
    Temperature -20ºC  to  +70 ºC
    Humidity 10%~95% Non-Condensing
    Environmental RoHS Compliant

    Block Diagram

    BT821-Block BT821-Diagram


    * Fully qualified Bluetooth 4.2/4.0/3.0/2.1/2.0/1.2/1.1
    * Postage stamp sized form factor,
    * Class 1.5 support(high output power)
    * The default UART Baud rate is 115.2Kbps and can support from 1200bps up to 921Kbps.
    * UART, I2C,PCM / I2S data communication interfaces.
    * Support the OTA upgrade(optional).
    * Bluetooth stack profiles support: SPP, HID, and all BLE protocols.


    *Health & Medical devices
    *Home Automation
    *Wireless POS
    *Measurement and monitoring systems
    *Industrial sensors and controls
    *Asset tracking

    Datasheet Download

  • Previous:
  • Next: